The Best Portable Telescopes for Your Next Trip

The Best Portable Telescopes for Your Next Trip

The Best Telescope Accessories

The Best Telescope Accessories

Optimize your observing experience with the top 10 telescope accessories recommended by OPT experts!

The Best Milky Way Photography Accessories

The Best Milky Way Photography Accessories

Get the best out of your Milky Way imaging nights with these top-performing accessories.


Everyday Astronaut Partnership

Everyday Astronaut Partnership

The PlaneWave L-350 Professional Mount Guide

The PlaneWave L-350 Professional Mount Guide

PlaneWave professional telescope mounts are used by astronomy-driven universities and commercial companies worldwide, producing exceptional results. Learn everything you need to know about using the L-350 mount with this easy guide!

Everything You Need to Know About the Triad Filter [Guide]

Everything You Need to Know About the Triad Filter [Guide]

Learn everything you need to know about the Triad Filter with video tutorials and guides in this blog. Capture the H-beta wavelength, H-alpha wavelength, Oiii emission line, and Sii emission line all with one filter!


STELLINA Smart Telescope Review

STELLINA Smart Telescope Review

The Stellina is a smart, automated, and complete astrophotography system for all experience levels. Check out why we recommend this incredible system!

Beginner Telescope Gift Ideas

Beginner Telescope Gift Ideas

PrimaLuceLab is Here!

PrimaLuceLab is Here!


Easy Video Astronomy with the Revolution Imager R2

Easy Video Astronomy with the Revolution Imager R2

Best Gifts for Astrophotographers

Best Gifts for Astrophotographers

Best Gifts for Visual Astronomers

Best Gifts for Visual Astronomers



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The Best Telescopes Brands for Beginners and Experts

The Best Telescopes Brands for Beginners and Experts

by Danielle Austin

Astrophotography Cameras Under $1000

Astrophotography Cameras Under $1000

by Danielle Austin

Best Binocular Tripods

Best Binocular Tripods

by Danielle Austin


The 10 Best Laser Collimators of 2023

The 10 Best Laser Collimators of 2023

by Danielle Austin

Best Lenses for Astrophotography

Best Lenses for Astrophotography

by Danielle Austin

Best Barlow Lenses

Best Barlow Lenses

by Danielle Austin


Space Telescopes and You

Space Telescopes and You

by Tony Darnell

Spotting Scopes Vs. Telescopes

Spotting Scopes Vs. Telescopes

by Danielle Austin

Best Telescopes Under $100

Best Telescopes Under $100

by Danielle Austin

Whether you’re a beginning astronomer or a parent looking for the perfect starter scope for young observers, today’s best telescopes for beginners combine quality optics, ease of use, and quick access to a world of information about the wonders of the night sky — all for less than $100. Read on to learn more!

Guide: The Best Telescopes for Kids and Beginners

Guide: The Best Telescopes for Kids and Beginners

by Yessenia Pereyra

Not every new astronomer knows exactly where to start when buying a telescope for the first time. This guide will help make your decision process a little easier. Find out more here! 🔭

The Best Telescopes for Beginners 2023

The Best Telescopes for Beginners 2023

by Yessenia Pereyra

Find the best telescopes for beginners at OPT! Our vast collection of amateur telescopes include features like easy setup, kid-friendly, and portability. Start your astronomy journey here!
Refractor vs. Reflector Telescopes

Refractor vs. Reflector Telescopes

by Yessenia Sanchez


Used Telescopes

Used Telescopes

by Danielle Austin

The Bortle Scale

The Bortle Scale

by Ben Nau

Celestron NexStar 8SE Setup Breakdown

Celestron NexStar 8SE Setup Breakdown

by Danielle Austin


Which Telescope To Buy? Pros & Cons of 12 Popular Telescope Designs

Which Telescope To Buy? Pros & Cons of 12 Popular Telescope Designs

by Brian Fulda

Whether you're a total beginner or an experienced amateur, this helpful guide compares 12 popular telescope designs to help you decide which telescope to buy!

By Brian Fulda

Meet the OPTeam: Mack Murdoc (@mackmurdoc)

Meet the OPTeam: Mack Murdoc (@mackmurdoc)

by Yessenia Pereyra

Meet the OPTeam! Mack Murdoc, @mackmurdoc on Instagram, shares the inspiring moment that got him started in astrophotography and a few of his favorite images. Learn more about his journey here!
OPT Spotlight: Galactic Hunter!

OPT Spotlight: Galactic Hunter!

by Yessenia Pereyra

Get to know Antoine & Dalia Grelin, also known as Galactic Hunter, in this exclusive OPT interview! Learn how they met, their goals, and some fun things that might surprise you! 

How to Use a Telescope for Beginners Guide

How to Use a Telescope for Beginners Guide

by Yessenia Pereyra

Not sure what each piece of your telescope is for? This step-by-step beginner's telescope guide will show you everything you need to know to get started!
Women in Astronomy ♀️🌟

Women in Astronomy ♀️🌟

by Drew Evans

OPT is proud to present this special presentation of Women in Astronomy!

Watch this video to learn about women in the space industry like NASA engineers, OPTeam astrophotographers, and many more! Everyone’s story in astronomy starts somewhere, and like many beginners, they were all once there too. We hope you are inspired to pursue your dreams and to keep looking up.
🌟 Welcome to the Clear Skies Network!

🌟 Welcome to the Clear Skies Network!

by Drew Evans

Clear Skies Network brings the global astronomy community straight to your home living room with world-class guest speakers, who sometimes invite special guests of their own!

Telescope Buying Guide 2022

Telescope Buying Guide 2022

by Yessenia Sanchez

Find the telescope that's right for you with our telescope buying guide. Explore what there is to know before making your decision, the parts of a telescope, and more! 🔭
A Guide to Dobsonian Telescopes

A Guide to Dobsonian Telescopes

by Alan Sanchez

The Best Telescopes Under $500

The Best Telescopes Under $500

by Alize Shilling

Finding the perfect telescope can be tough with so many options. Fortunately, OPT is here to help guide you with our picks for the Top 10 Best Telescopes Under $500!

The 10 Best Telescopes Under $300

The 10 Best Telescopes Under $300

by Alize Shilling

With such a large variety, it may be difficult for a novice to make the right decision on what type of Telescope to invest in. Fortunately, OPT is here to help guide you to the Top 10 Best Telescopes Under $300!
How to Buy Your First Visual Telescope

How to Buy Your First Visual Telescope

by Alan Sanchez

A Guide on Choosing the Best Telescope Eyepieces

A Guide on Choosing the Best Telescope Eyepieces

by Brian Fulda


The Best Telescopes for Mars Opposition

The Best Telescopes for Mars Opposition

by Alize Shilling

It is estimated that Mars won't be close again until 2035. Don't miss this exciting event and check out The Top 10 Telescopes for Mars Opposition!
Cassegrain Telescope, Types of Telescopes Part 3

Cassegrain Telescope, Types of Telescopes Part 3

by Alize Shilling

The Cassegrain Telescope emerged over time as one of the most popular designs in the world. The sharp, high-contrast images of both deep-sky objects and planets this telescope produces make it a good choice for both the intermediate and more experienced astronomer. Learn more here to find out if it's the right telescope for you!
Newtonian Telescope, Types of Telescopes Part 1

Newtonian Telescope, Types of Telescopes Part 1

by Alize Shilling

As some of the least expensive and most common types of reflecting telescopes, Newtonian Telescopes bring just that to both amateur astrophotographers and experienced astronomers. Here's some valuable information from OPT about the ins and outs of these versatile telescopes!

The Basic Types of Telescopes

The Basic Types of Telescopes

by Alan Sanchez

How to Find Dark Sky Sites [Stargazing & Astrophotography]

How to Find Dark Sky Sites [Stargazing & Astrophotography]

by Brian Fulda

Whether you're looking to beat the glow of city lights for stargazing or doing astrophotography, this blog has you covered on how to find dark sky sites and what to do if you can't leave the city.
How Much Magnification You Need to See Planets

How Much Magnification You Need to See Planets

by Yessenia Pereyra

Find out what magnification you need to see your favorite planets in the night sky tonight!

How to See Galaxies With Your Telescope

How to See Galaxies With Your Telescope

by Yessenia Pereyra

Galaxies are some of the most distant objects we can observe. While most planets, stars, and nebulae are usually pretty nearby to us, we can observe galaxies that are millions of light years away. Find out how here!
How to See the Jupiter and Saturn Conjunction

How to See the Jupiter and Saturn Conjunction

by Yessenia Pereyra

The Jupiter and Saturn conjunction has not been this close in over 200 years! Click here to see our best planetary guides in one!
How to See the Planets with a Telescope

How to See the Planets with a Telescope

by Yessenia Sanchez

Observing the planets is easier and more fun with a telescope! Learn about the different features visible on each planet and how to best observe them. 

How to Stargaze Without a Telescope (Tips for Beginners)

How to Stargaze Without a Telescope (Tips for Beginners)

by Yessenia Sanchez

Check out these 5 ways to stargaze without a telescope tips for the best night viewing experience. Enjoy the beauty of the night sky next time you are out at night and don't forget to look up!
Lunar Observing Accessories (Supermoon Special) with Robyn Turner

Lunar Observing Accessories (Supermoon Special) with Robyn Turner

by Steven Hendren

How to View the Sun Safely

How to View the Sun Safely

by Alize Shilling


Astronomy Events to Look Out For in 2023

Astronomy Events to Look Out For in 2023

by Danielle Austin

What's in the Sky? Top Astronomy Events of December 2022

What's in the Sky? Top Astronomy Events of December 2022

by Danielle Austin

Can You See the Closest Black Hole to Us with Your Telescope?

Can You See the Closest Black Hole to Us with Your Telescope?

by Tony Darnell


What Amateur Astronomers Should Know about Starlink

What Amateur Astronomers Should Know about Starlink

by Danielle Austin

Star Death in the Constellation Lyra

Star Death in the Constellation Lyra

by Tony Darnell

The constellation of Lyra shines bright in the Northern Hemisphere from spring through late autumn and is home to one of the brightest stars in the sky: Vega. Learn more about this constellation and the star deaths found within it. 

 

By Tony Darnell

 

What's in the Sky? Top Astronomy Events of September 2022

What's in the Sky? Top Astronomy Events of September 2022

by Danielle Austin


August 2022 Astronomy Events

August 2022 Astronomy Events

by Danielle Austin

July 2022 Astronomy Events - What's in the Sky Tonight?

July 2022 Astronomy Events - What's in the Sky Tonight?

by Danielle Austin

What's in the Sky: Top Astronomy Events of June 2022

What's in the Sky: Top Astronomy Events of June 2022

by Danielle Austin

What's in the sky? We've summed it all up for you in this helpful guide: The Top Astronomy Events of June 2022!


What's in the Sky: Top Astronomy Events of May 2022

What's in the Sky: Top Astronomy Events of May 2022

by Danielle Austin

What's in the sky? We've summed it all up for you in this helpful guide: The Top Astronomy Events of May 2022!

What's in the Sky? Top Astronomy Events of April 2022

What's in the Sky? Top Astronomy Events of April 2022

by Danielle Austin

Don't miss out on the top celestial events of April 2022 with this helpful blog post!

Top Astronomy Events of March 2022

Top Astronomy Events of March 2022

by Danielle Austin


What's in the Sky? Top Astronomy Events of February 2022

What's in the Sky? Top Astronomy Events of February 2022

by Danielle Austin

Don't miss out on February's astronomical events with this helpful blog post, including a printable calendar!

By Danielle Austin

What’s in the sky? Astronomy Events of January 2022

What’s in the sky? Astronomy Events of January 2022

by Danielle Austin

 What’s in the Sky: Top Astronomy Events of 2022

 What’s in the Sky: Top Astronomy Events of 2022

by Danielle Austin


Astronomy Events for October 2021

Astronomy Events for October 2021

by Brian Fulda

Astronomy Events for September 2021

Astronomy Events for September 2021

by Yessenia Pereyra

Mark your calendar and save the date for these astronomy events heading this month! You can also download the free calendars provided to you by OPT. Clear Skies!
Astronomy Events for August 2021

Astronomy Events for August 2021

by Yessenia Pereyra

August 2021 has many exciting events this month for all levels. Plan ahead and spend time under the stars! Learn more here.✨

 

By Yessenia S. Pereyra


What's in the Sky? Ultimate Astro Bucket List

What's in the Sky? Ultimate Astro Bucket List

by Yessenia Pereyra

Take more astro adventures with this ultimate astro bucket list! Whether you are a new astronomer, or looking for a challenge, these events are some of the best you can experience in a lifetime!
Astronomy Events for July 2021

Astronomy Events for July 2021

by Yessenia Pereyra

These astronomy events for July 2021 are a great reason to stargaze this month! Learn more here. >
Astronomy Events for June 2021

Astronomy Events for June 2021

by Yessenia Sanchez

Check out these exciting things happening in the night sky! Click here to see the full list and save the date.

Astronomy Events for May 2021

Astronomy Events for May 2021

by Yessenia Sanchez

Get ready to look up in May with these exciting astronomy events happening all month! We also get to welcome the start of Milky Way season! Learn more here. 🌠
Astronomy Events for April 2021

Astronomy Events for April 2021

by Yessenia Sanchez

Save the date for these April astronomy events! Check out what else is in the night sky for each hemisphere too.
Astronomy Events for March 2021 [What's in the Sky]

Astronomy Events for March 2021 [What's in the Sky]

by Yessenia Pereyra

Get ready to kick-off the galaxy season with our What's in the Sky blog for March! Plan ahead and download our easy to read calendars. Clear skies! 🔭✨


Top Astronomy Events of 2021

Top Astronomy Events of 2021

by Yessenia Pereyra

Looking for what's in the sky this year? Check out our list of the best astronomy events happening in 2021!
Astronomy Events for February 2021 [Free Download]

Astronomy Events for February 2021 [Free Download]

by Yessenia Sanchez

Get ready for February's cosmic display of astronomy events with this easy to read calendar! Download it and save it as a reference throughout the month. Clear skies! 🔭✨
Astronomy Events January 2021 [Free Download]

Astronomy Events January 2021 [Free Download]

by Yessenia Pereyra

Don’t miss any of the astronomy events happening in 2021! Get your gear ready and check out this blog with free downloadable calendars to save the date. 

Astronomical Events December 2020

Astronomical Events December 2020

by Yessenia Pereyra

We are closing out 2020 with some rare astronomy events like the conjunction of Jupiter and Saturn! Download your free calendars here and save the date for these astronomical events happening December 2020!
Astronomical Events November 2021

Astronomical Events November 2021

by Yessenia Pereyra

New season, new night sky targets! Download your free calendars here and grab your seasonal outerwear to fall in love with the night sky again and again with these November 2021 astronomy events. 
Astronomical Events October 2020

Astronomical Events October 2020

by Yessenia Pereyra

It's spooky season and the night sky has a lot of treats for astronomers to observe and image all month long! Click here to download your free calendars and save the date! 🎃

Your Mars Opposition 2020 Guide

Your Mars Opposition 2020 Guide

by Yessenia Pereyra

Get ready for the Mars Opposition 2020 with OPT's guide that includes info on what telescopes, cameras, and accessories will give you the best experience and success in imaging or observing Mars. See how AstroBackyard captured Mars and what equipment he used. Click here to learn more!
What to Do When It's Cloudy

What to Do When It's Cloudy

by Yessenia Sanchez

Cloudy outside? Read this guide for some astronomy inspiration.
The Next Total Solar Eclipses

The Next Total Solar Eclipses

by Alan Sanchez


Eagle Nebula: Hubble Space Telescope vs. Amateur Telescopes

Eagle Nebula: Hubble Space Telescope vs. Amateur Telescopes

by Tony Darnell

The Eagle Nebula, or Messier 16 as it is also known, is only about two million years old and is part of a star cluster containing some 8,100 stars. And while the brightest stars in the cluster are visible with binoculars, the nebula itself can only be seen through a telescope.

Read more about the differences of viewing this iconic astronomical target between the famous Hubble Space Telescope, and viewing from a telescope from your own backyard!

By Tony Darnell

Milky Way Photography - How to image the Milky Way Galaxy

Milky Way Photography - How to image the Milky Way Galaxy

by Danielle Austin

How to Photograph Star Trails for Astrophotography

How to Photograph Star Trails for Astrophotography

by Yessenia Pereyra

Learn how to master basic star trails with this OPT astrophotography tutorial! Learn about basic settings, difference between settings to capture star trails, and more! Watch it here.

All About Telescope Smartphone Adapters

All About Telescope Smartphone Adapters

by Danielle Austin

Capture the universe and hold it in your pocket with the help of telescope smartphone adapters! Learn all about these helpful and affordable tools on OPT University.

By Danielle Austin

Gear You Need For Astrophotography

Gear You Need For Astrophotography

by Brian Fulda

Ever wondered what gear you need to do astrophotography? This blog post goes over everything from simple astrophotography with a smartphone or DSLR up to complex deep sky astrophotography setups.

By Brian Fulda

What is Periodic Error Correction and How to Use It

What is Periodic Error Correction and How to Use It

by Yessenia Pereyra

Learn about the common mechanical issue your equipment can experience with long exposure imaging and how to fix it. 

By Yessenia S. Pereyra


The ABCs of Astrophotography [The Short Definitions]

The ABCs of Astrophotography [The Short Definitions]

by Yessenia Pereyra

Test your knowledge or learn something new! This astrophotography glossary will help you understand some of the common terms used in the hobby.

 

By Yessenia S. Pereyra

10 Levels of Deep Sky Astrophotography Setups (with Example Images)

10 Levels of Deep Sky Astrophotography Setups (with Example Images)

by Brian Fulda

Explore the many different levels of deep sky astrophotography setups and find out what gear you need to achieve your dream image.

By Brian Fulda

Telescope Power for Astrophotography - at Home & On the Go

Telescope Power for Astrophotography - at Home & On the Go

by Drew Evans

Read up on which devices require power, ways to power your equipment from home, and what batteries to use when doing astrophotography out in the field!

By Antoine Grelin, OPT Affiliate


How to Build an Astrophotography Setup

How to Build an Astrophotography Setup

by Yessenia Pereyra

Learn about all the parts that make an astrophotography setup, also known as an astrophotography rig! Click here to watch it now.
What is the Best Light Pollution Filter For Astrophotography?

What is the Best Light Pollution Filter For Astrophotography?

by Brian Fulda

Interested in light pollution filters, but aren't sure which one to get? This helpful blog post explains the differences in beginner's terms and provides helpful comparison charts and images to help you decide.
How to Photograph the Moon [Lunar Photography Basics]

How to Photograph the Moon [Lunar Photography Basics]

by Yessenia Pereyra

Join us as Rafal goes over the best tips and tricks to photograph the Moon for beginners and photographers in the hobby.

The Best Star Trackers for Milky Way Photography

The Best Star Trackers for Milky Way Photography

by Yessenia Pereyra

Whether you have years of experience with DSLR photography or you are just starting out this guide will give you the best options on what star tracker to start your journey into astrophotography.
Monochrome vs Color Cameras

Monochrome vs Color Cameras

by Yessenia Pereyra

Find out what the difference between monochrome vs color cameras here! Drew breaks down the differences between these astronomy cameras and more!
DSLRs Vs Dedicated Astro Cameras

DSLRs Vs Dedicated Astro Cameras

by Yessenia Pereyra

DSLRs or astro dedicated cameras? We break it all down for you here! 

Color and Monochrome Sensors with Dustin Gibson

Color and Monochrome Sensors with Dustin Gibson

by Yessenia Pereyra

One of the questions our imaging specialists get asked daily is do I need a color sensor or a monochrome sensor for astro-imaging? The quick answer is that you can use both! Both monochrome and color sensors have their benefits and both have their drawbacks.
Astrophotography 101: The Bayer Filter System

Astrophotography 101: The Bayer Filter System

by Yessenia Pereyra

Wonder what the difference between astrophotography monochrome and color cameras are? This blog will provide an introduction to the Bayer filter system and how it is used in color cameras to produce color astro-images!
The Best Deep Sky Astrophotography Cameras for Beginners

The Best Deep Sky Astrophotography Cameras for Beginners

by Yessenia Pereyra

Narrow your search on the best beginner deep space cameras with this list put together by OPT experts! See the stunning results that some OPT team members have captured with these beginner deep space cameras. See the pictures here!

Learn How To Polar Align Your Equatorial Mount 🔭

Learn How To Polar Align Your Equatorial Mount 🔭

by Drew Evans

OPT experts walk you through the essential step to capture stunning astro-images, which is polar alignment. Learning this astrophotography skill is important, especially when it comes to longer focal lengths.
Getting Started with the Sky-Watcher Star Adventurer Mount

Getting Started with the Sky-Watcher Star Adventurer Mount

by Drew Evans

Learn how to use the Sky-Watcher Star Adventurer to get that perfect polar alignment every time! Having precise polar alignment will help you produce brighter and clearer astrophotography images.
How to Balance your Equatorial Mount! 🔭

How to Balance your Equatorial Mount! 🔭

by Drew Evans

Learn how to use your equatorial mount with this easy telescope tutorial by OPT experts. These tips will help you balance your EQ mount to perfection!

How to Use a QHYCCD Polemaster

How to Use a QHYCCD Polemaster

by Drew Evans

Learn how to use a QHYCCD Polemaster on telescope mounts to get that perfect polar alignment every time!

How to Take Astronomy Photos With Your DSLR (Tips for Beginners)

How to Take Astronomy Photos With Your DSLR (Tips for Beginners)

by Yessenia Sanchez

Scroll through this guide to learn more about the steps you need to take to capture your first astronomy image!
How to Photograph Nebulae (Tips for Beginners)

How to Photograph Nebulae (Tips for Beginners)

by Yessenia Sanchez

Ready to start producing nebulae images of your own? Read through our list of things you need to get started! This is part one into our astrophotography for beginners series. Let us know what you think!

5 Best Apps for Astrophotography

5 Best Apps for Astrophotography

by Alan Sanchez

Best Astrophotography Telescopes for Beginners

Best Astrophotography Telescopes for Beginners

by Alan Sanchez

Are you ready to get started in astrophotography? Check out this guide on the best astrophotography telescopes for beginners! We all need to start somewhere, and we'll show you the way.
DSLR Astrophotography 101: Photo Editing

DSLR Astrophotography 101: Photo Editing

by Alan Sanchez


DSLR Astrophotography 101: Exposure

DSLR Astrophotography 101: Exposure

by Alan Sanchez

An in-depth guide on DSLR astrophotography settings and techniques for optimal exposure. Take the best night sky photos tonight with OPT!
Astrophotography Tips for Beginners with a DSLR

Astrophotography Tips for Beginners with a DSLR

by Yessenia Pereyra

Got a DSLR or Mirrorless camera? You're already primed to start the DSLR astrophotography hobby. Find out how you can take amazing shots of the night sky!
Astrophotography Setup for Beginners

Astrophotography Setup for Beginners

by Alize Shilling

Looking for the best and most affordable astrophotography setup? Check out OPT's curated list for beginners to start imaging the planets and deep sky!

How to Choose the Best Telescope Camera

How to Choose the Best Telescope Camera

by Alize Shilling

What kind of imagers are there? How do the work? What are they best suited for? Find out in this article on the Telescope Camera Types.
Top 5 Deep Space Objects For Beginners

Top 5 Deep Space Objects For Beginners

by Alan Sanchez

Simple Stacking in Photoshop with Chris Hendren

Simple Stacking in Photoshop with Chris Hendren

by Steven Hendren


Planetary Imaging for Beginners (with Gear Guide)

Planetary Imaging for Beginners (with Gear Guide)

by Brian Fulda

Interested in planetary imaging, but don't know where to begin or what gear you need? We go over planetary imaging basics and cover all the best planetary telescopes, mounts, cameras, and accessories in this beginner-friendly blog post.
The Complete Guide On How To Image Mars (And Other Planets)

The Complete Guide On How To Image Mars (And Other Planets)

by Blake Estes

Planetary imaging is a fun and rewarding hobby that allows beginners and advanced amateur astronomers to delve into astronomical imaging without much of the expense and complexity of deep space astrophotography. There are also quite a few opportunities for planetary imagers to contribute to some significant scientific research. However, it is important to first understand what equipment is needed to successfully capture images of the solar system.
How to Photograph Jupiter

How to Photograph Jupiter

by Alize Shilling

With many factors to consider such as location and equipment for the right approach to capturing a good-quality image of Jupiter you're probably thinking "Where do I start?" Follow this step-by-step guide on How To Image Jupiter and you will be well on your way to becoming an expert!

How to Use the Star Adventurer Pro [2021]

How to Use the Star Adventurer Pro [2021]

by Yessenia Pereyra

Thinking about getting started in astrophotography? The Star Adventurer Pro is the perfect astronomy tool to help you take that next step in capturing the night sky. This guide breaks down everything you need to know about setting up and using the Star Adventurer Pro!
Basic Wide-Field Image Processing: Field Processing and Gradient Correction

Basic Wide-Field Image Processing: Field Processing and Gradient Correction

by Steven Hendren

Basic Wide-Field Image Processing: Basic Alignment and Stacking in Nebulosity

Basic Wide-Field Image Processing: Basic Alignment and Stacking in Nebulosity

by Steven Hendren


Basic Wide-Field Image Processing: Photoshop Raw Converter Pre-Processing

Basic Wide-Field Image Processing: Photoshop Raw Converter Pre-Processing

by Steven Hendren

Imaging with Mosaics in TheSkyX- Wide F.O.V. Astrophotography - Video

Imaging with Mosaics in TheSkyX- Wide F.O.V. Astrophotography - Video

by Steven Hendren

Top 10 Southern Hemisphere Targets!!

Top 10 Southern Hemisphere Targets!!

by Yessenia Pereyra

Find some astrophotography inspiration with these top 10 Southern Hemisphere targets! This video also features astrophotography tips to get the best results. Watch it here. >

Top 15 Summer Targets!

Top 15 Summer Targets!

by Yessenia Pereyra

Milky Way season is here! Check out these top 15 summer objects to capture this summer. Click here to watch now.
Understanding Camera Specs!!

Understanding Camera Specs!!

by Yessenia Pereyra

Learn about every camera spec you need to know about your DSLR, Mirrorless, or Astro camera! Click here to watch the video now. 

Guide Scope vs. Off-Axis Guider: Which is Better for Astrophotography?

Guide Scope vs. Off-Axis Guider: Which is Better for Astrophotography?

by Drew Evans

There are two main guiding methods most people will choose from for Astrophotography, and those are the guide scope, and the off-axis guider. Read up and learn their own unique advantages and disadvantages.

By Bray Falls, OPT Affiliate


How to Master Polar Alignment on Your Mount

How to Master Polar Alignment on Your Mount

by Drew Evans

Have you finally moved on from stacking your single astrophotography images? Read our in-depth guide on How to Master Polar Alignment on Your Mount! 🔭

By Bray Falls, OPT Affiliate

Deep Sky Astrophotography Filters Explained

Deep Sky Astrophotography Filters Explained

by Bray Falls

What are Deep Sky Astrophotography Filters? Read up on what, when and where each type of filter can be useful for your Astrophotography sessions.

By Bray Falls, OPT Affiliate

Top 15 Spring Targets for Astrophotography!

Top 15 Spring Targets for Astrophotography!

by Yessenia Pereyra

Get your deep space gear ready because galaxy season is here! In this video Mack Murdoc goes over the top 15 spring targets you can capture this season. 🔭

6 Easy Ways to Stretch Your Astro Image

6 Easy Ways to Stretch Your Astro Image

by Yessenia Pereyra

Get that perfect image stretch with this tutorial on astrophotography image processing! Learn tips for Deep Sky Stacker, Photoshop, PixInsight, and more astrophotography software. Watch it here!
Top 15 Winter Objects!!!

Top 15 Winter Objects!!!

by Yessenia Pereyra

How to Set the Correct Back Focus for Your Telescope (Guide)

How to Set the Correct Back Focus for Your Telescope (Guide)

by Brian Fulda

Figuring out the correct back focus for your telescope can be a daunting task to beginners and experienced astrophotographers alike. In this article, we’ll go over why back focus spacing is so important to get right, everything to consider for back focus spacing, and how to use adapters and spacers to get your back focus spacing perfect.

By Brian Fulda


Simple Processing for Triad Filter Imaging

Simple Processing for Triad Filter Imaging

by Alan Sanchez

Simple Image Processing with Dustin Gibson

Simple Image Processing with Dustin Gibson

by Alize Shilling

Creating TPoints in TheSkyX for Better Tracking with Charles Walker

Creating TPoints in TheSkyX for Better Tracking with Charles Walker

by Steven Hendren


Balancing an Equatorial Mount with Chris Hendren

Balancing an Equatorial Mount with Chris Hendren

by Steven Hendren

Taking Flat Calibration Frames for Better Image Processing

Taking Flat Calibration Frames for Better Image Processing

by Steven Hendren

P.E.C. (Periodic Error Correction) Training in TheSkyX with Charles Walker

P.E.C. (Periodic Error Correction) Training in TheSkyX with Charles Walker

by Steven Hendren


MaxIm DL Part 6: Automated Focusing and Filter Offsets

MaxIm DL Part 6: Automated Focusing and Filter Offsets

by Steven Hendren

Photoshop Layer Masking (MaxIm DL Supplemental)

Photoshop Layer Masking (MaxIm DL Supplemental)

by Steven Hendren

MaxIm DL Part 5: Auto Calibration and Advanced Preprocessing

MaxIm DL Part 5: Auto Calibration and Advanced Preprocessing

by Steven Hendren


MaxIm DL Part 4: Using Captured Data

MaxIm DL Part 4: Using Captured Data

by Steven Hendren

MaxIm DL Part 3: The Observatory Window

MaxIm DL Part 3: The Observatory Window

by Steven Hendren

MaxIm DL Part 2: Multi-filter Sequence and Detailed Guiding Parameters

MaxIm DL Part 2: Multi-filter Sequence and Detailed Guiding Parameters

by Steven Hendren


MaxIm DL Part 1: Getting Started

MaxIm DL Part 1: Getting Started

by Steven Hendren

Collimating an Astrograph Newtonian

Collimating an Astrograph Newtonian

by Steven Hendren

ZWO Sales

ZWO Sales

by Alison Conquest


Best Tripods for Astrophotography

Best Tripods for Astrophotography

by Alison Conquest

The Best Refractor Telescopes

The Best Refractor Telescopes

by Alison Conquest

Best Telescopes to See Galaxies

Best Telescopes to See Galaxies

by Alison Conquest


Best Telescopes for Deep Space

Best Telescopes for Deep Space

by Alison Conquest

Best Monoculars for Stargazing

Best Monoculars for Stargazing

by Danielle Austin

The Best Smartphone Telescope Adapters

The Best Smartphone Telescope Adapters

by Danielle Austin


Celestron NexStar 8SE Review by AstroBackyard

Celestron NexStar 8SE Review by AstroBackyard

by Alize Shilling

Best Astronomy & Telescope Gifts 2021

Best Astronomy & Telescope Gifts 2021

by Brian Fulda

Looking for the perfect astronomy gift for the space lover in your life? With the world's largest array of telescopes and astronomy accessories, OPT is your one-stop shop for astronomy gifts this holiday season!

OPT Announces New Beginner-Friendly Bundles

OPT Announces New Beginner-Friendly Bundles

by Brian Fulda

We are proud to announce OPT's line of new product bundles for beginner astronomers and astrophotographers! Whether you're a beginner looking to start visually observing the night sky or you want to dip your feet into the hobby of astrophotography, OPT's bundles have got you covered.


Unistellar eQuinox vs STELLINA by Vaonis: The Future of Astrophotography

Unistellar eQuinox vs STELLINA by Vaonis: The Future of Astrophotography

by Yessenia Pereyra

The future of astrophotography is looking smart! Learn how you can easily explore and save the night sky to your phone with the Unistellar eQuinox and STELLINA by Vaonis. 🔭📱✨

Our Favorite Photos Captured with the Radian 61 Telescope! (So Far)

Our Favorite Photos Captured with the Radian 61 Telescope! (So Far)

by Brian Fulda

How to Attach Telescope Dovetails, Tube Rings & More Accessories

How to Attach Telescope Dovetails, Tube Rings & More Accessories

by Brian Fulda

Need help figuring out how to attach a dovetail, tube rings, or other accessory to  your telescope, or which one to buy? This blog has you covered!

By Brian Fulda


Example Deep Sky Astrophotography Setups from Beginner to Advanced

Example Deep Sky Astrophotography Setups from Beginner to Advanced

by Drew Evans

With many brands to choose from for mounts, cameras, telescopes, power supplies, computers, etc., it gets a bit mind-numbing trying to find a good setup that you know will work. Read up on our breakdown!

By Bray Falls, OPT Affiliate

Sky-Watcher Star Adventurer Pro vs. iOptron SkyGuider Pro

Sky-Watcher Star Adventurer Pro vs. iOptron SkyGuider Pro

by Yessenia Pereyra

We break down the Sky-Watcher Star Adventurer Pro and the iOptron SkyGuider Pro to answer your question on what makes these star trackers different. Spoiler alert: They are very similar! Learn more here.

By Yessenia S. Pereyra

ZWO ASI183 Astrophotography Camera: Pro or Standard?

ZWO ASI183 Astrophotography Camera: Pro or Standard?

by Yessenia Pereyra

The ZWO ASI183 is one of the most well-rounded cameras on the market! We break down all the reasons why the ASI183 is great for Deep Space, Planetary, Lunar, and Solar. Click here to watch now. >

All-in-one Astrophotography Camera!!

All-in-one Astrophotography Camera!!

by Yessenia Pereyra

This video goes over why the ZWO ASI174MM is a perfect astrophotography camera for planetary, lunar, solar, and deep sky imaging! Watch it here! >
How to Install the Radian Electronic Focuser

How to Install the Radian Electronic Focuser

by Yessenia Pereyra

Learn why an electronic focuser can improve your imaging sessions and how to install it onto your telescope with Mack Murdoc. Stream it here! >
The Best Accessories for Galaxy Season!

The Best Accessories for Galaxy Season!

by Yessenia Pereyra

Find the best accessories for galaxy season here! Mack Murdoc reviews what makes this list of astro gear our top 10 gear for capturing galaxies. Watch the video here. >

Top Five Cameras for Galaxy Season

Top Five Cameras for Galaxy Season

by Yessenia Pereyra

Looking for some deep space astrophotography gear inspiration? Watch as Mack Murdoc breaks down the top five cameras for galaxy season. Click play here!
What Telescopes to Use for Galaxies

What Telescopes to Use for Galaxies

by Yessenia Pereyra

Watch this video to learn what telescopes to use for galaxies. These best-performing telescopes are great for taking photos of galaxies and other deep space objects.
Celestron StarSense Explorer Guide For Beginners

Celestron StarSense Explorer Guide For Beginners

by Yessenia Sanchez

In three easy steps start your journey into the night sky. After downloading the app, no cell signal is needed to observe the night sky. Travel to remote sites to unlock even more objects to view in the night sky from the app. Learn more here!

The Best Astrophotography Accessories

The Best Astrophotography Accessories

by Yessenia Pereyra

Complete your dream astro toolbox with this guide on the best astrophotography accessories to optimize your image results as recommended by experts at OPT! 
ZWO ASI1600MM Pro vs. ASI2600MM Pro: Worth the Upgrade?

ZWO ASI1600MM Pro vs. ASI2600MM Pro: Worth the Upgrade?

by Yessenia Pereyra

Watch this video before upgrading your astronomy camera to the ZWO ASI1600MM Pro or the upgraded ASI2600MM Pro!
Astrophotography Stocking Stuffers [Gift Ideas]

Astrophotography Stocking Stuffers [Gift Ideas]

by Yessenia Pereyra

Find the perfect astrophotography stocking stuffers here! These gift ideas make excellent accessories to get the most out of imaging nights by optimizing astronomy setups. Learn more here.

[Ultimate] Astrophotography Gift Guide 2020

[Ultimate] Astrophotography Gift Guide 2020

by Yessenia Pereyra

Check out our astrophotography gift guide for that perfect astro-gift! 
The PrimaLuce Eagle 4 Pro!

The PrimaLuce Eagle 4 Pro!

by Yessenia Pereyra

The EAGLE 4 Pro has landed! Watch this video to learn about the premium-grade features you can experience with the PrimaLuceLab Eagle 4 Pro.
Radian 61 Rundown!

Radian 61 Rundown!

by Yessenia Pereyra

In this Radian 61 astrophotography telescope rundown, learn what’s in the box, Radian 61 features, and image samples captured with the Raptor 61!

This is the Radian Carbon Fiber Tripod!

This is the Radian Carbon Fiber Tripod!

by Drew Evans

Watch as Dustin Gibson walks you through the Radian carbon fiber tripod's sleek design and its innovative features!
ZWO ASI533MC Pro Astrophotography Camera

ZWO ASI533MC Pro Astrophotography Camera

by Drew Evans

The ZWO ASI533MC Pro is an astrophotography camera powerhouse! Capture stunning deep sky images with crisp detail or use it for solar and lunar photography.
The Unistellar eVscope 🔭

The Unistellar eVscope 🔭

by Drew Evans


Your Unistellar eVscope Questions Answered

Your Unistellar eVscope Questions Answered

by Yessenia Pereyra

Get your eVscope questions answered here by OPT experts. The eVscope was developed for people interested in astrophotography but intimidated by the gear and for people wanting to share the universe in a fast and convenient way. Learn what you can see, how to set up the eVscope, and much more!
A Fast Giant! TPO 10-inch f/4 Newtonian! 🔭

A Fast Giant! TPO 10-inch f/4 Newtonian! 🔭

by Drew Evans

Learn more about what makes the TPO 10-inch Newtonian a high-performing telescope from OPT experts. The 10-inch TPO imaging Newtonian is an f/4 system perfect for deep space photos.
A New Radian Telescope Has Launched

A New Radian Telescope Has Launched

by Yessenia Pereyra

The countdown has begun for a new Radian Telescope! Check back to this page for updates. Clear Skies!

Spectrum Telescope Solar Filters

Spectrum Telescope Solar Filters

by Steven Hendren

Watch this video to learn more about the popular Spectrum Telescope solar filters used by astronomers during the 2017 solar eclipse! OPT experts walk you through the different Spectrum telescope solar filters and provide tips for your solar success. Learn more here!
The Best Planetary and Lunar Astrophotography Cameras

The Best Planetary and Lunar Astrophotography Cameras

by Yessenia Pereyra

Stop your search on astrophotography cameras and bookmark this page! OPT experts have put together this guide on planetary and lunar cameras based on experience and results. See the best planetary and lunar astrophotography cameras here!
The Best Portable Telescopes for Your Next Trip

The Best Portable Telescopes for Your Next Trip

by Yessenia Sanchez


The Best Telescope Accessories

The Best Telescope Accessories

by Yessenia Sanchez

Optimize your observing experience with the top 10 telescope accessories recommended by OPT experts!
The Best Milky Way Photography Accessories

The Best Milky Way Photography Accessories

by Yessenia Sanchez

Get the best out of your Milky Way imaging nights with these top-performing accessories.
Everyday Astronaut Partnership

Everyday Astronaut Partnership

by Alize Shilling


The PlaneWave L-350 Professional Mount Guide

The PlaneWave L-350 Professional Mount Guide

by Yessenia Sanchez

PlaneWave professional telescope mounts are used by astronomy-driven universities and commercial companies worldwide, producing exceptional results. Learn everything you need to know about using the L-350 mount with this easy guide!
Everything You Need to Know About the Triad Filter [Guide]

Everything You Need to Know About the Triad Filter [Guide]

by Yessenia Pereyra

Learn everything you need to know about the Triad Filter with video tutorials and guides in this blog. Capture the H-beta wavelength, H-alpha wavelength, Oiii emission line, and Sii emission line all with one filter!

STELLINA Smart Telescope Review

STELLINA Smart Telescope Review

by Alan Sanchez

The Stellina is a smart, automated, and complete astrophotography system for all experience levels. Check out why we recommend this incredible system!

Beginner Telescope Gift Ideas

Beginner Telescope Gift Ideas

by Alize Shilling

PrimaLuceLab is Here!

PrimaLuceLab is Here!

by Alan Sanchez

Easy Video Astronomy with the Revolution Imager R2

Easy Video Astronomy with the Revolution Imager R2

by Alan Sanchez


Best Gifts for Astrophotographers

Best Gifts for Astrophotographers

by Alize Shilling

Best Gifts for Visual Astronomers

Best Gifts for Visual Astronomers

by Alize Shilling

OPT Expands Operations!

OPT Expands Operations!

by Alize Shilling


What you need to know about Celestron's SkyPortal App

What you need to know about Celestron's SkyPortal App

by Alize Shilling