Choosing the right software for astrophotography post-processing can be one of the most challenging decisions when starting out. With a steep learning curve and significant costs for some tools, finding the right balance between power, usability, and price is essential.
Fortunately, there are excellent tools available for all skill levels and budgets. Below, we highlight five popular software options—PixInsight, Affinity Photo, AstroPixel Processor, Siril, and Photoshop—and provide guidance on selecting the right one for you.
PixInsight: The Gold Standard in Astrophotography
PixInsight is considered the most powerful and comprehensive astrophotography editor available. While it comes with a steep learning curve and a one-off license fee of €230, its capabilities are unmatched. Many award-winning astrophotography images are created using PixInsight, making it the top choice for those who are serious about the hobby.
Key Features
Advanced tools for image calibration, stacking, and processing.
Dedicated astrophotography features, such as noise reduction and star management.
A 45-day free trial to explore its functionality before committing.
If you have the time and budget to invest, PixInsight is a must-have tool. Plus, Telescope Live offers hundreds of tutorials specifically covering PixInsight to help you master it.
Affinity Photo: The Beginner-Friendly Photoshop Alternative
Affinity Photo is a cost-effective and user-friendly alternative to Photoshop, with recently added features tailored for astrophotography. Priced at a one-time fee of approximately €70, it’s becoming the go-to option for new astrophotographers who want a simpler interface without sacrificing quality.
Key Features
Built-in tools for stacking and editing astrophotography images.
Intuitive interface, making it ideal for beginners.
Affordable one-time payment with no recurring subscription fees.
If you’re looking for simplicity and value, Affinity Photo is a fantastic choice.
AstroPixel Processor: Tailored for Astrophotography
AstroPixel Processor (APP) is designed specifically for astrophotography, offering a range of tools to produce stunning images. While its interface can seem intimidating at first, it becomes easier to use with practice. APP is available for €165 (perpetual license) or €60 per year.
Key Features
Comprehensive tools for image stacking, integration, and calibration.
Dedicated narrowband image processing.
Affordable pricing for its feature set.
For astrophotographers who want a powerful tool without the complexity of PixInsight, APP strikes a good balance.
Siril: The Best Free Option for Astrophotography
Siril is a full-featured astrophotography editor and the only one on this list that is completely free. While it lacks some of the advanced features found in paid software, it’s perfect for those on a budget.
Key Features
Free and open-source.
Full astrophotography workflow, including stacking and processing.
Suitable for beginners, but still offers advanced features for more experienced users.
If you're looking for a zero-cost option to get started, Siril is an excellent choice.
Photoshop: The Versatile Graphics Editor
While Photoshop isn’t specifically designed for astrophotography, its extensive plugin ecosystem makes it a viable option. However, it’s subscription-based (starting at around €20/month) and requires plugins to address its astrophotography shortcomings.
Key Features
Industry-standard image editing tools.
Extensive plugins for astrophotography, such as Astro Panel and GradientXTerminator.
Excellent for fine-tuning and creative enhancements.
If you’re already familiar with Photoshop or plan to use it for other creative purposes, it can be a versatile addition to your toolkit.
Telescope Live Tutorials: Learn and Master Your Software
Once you’ve chosen your software, Telescope Live’s tutorials are here to guide you. Our extensive library includes beginner-friendly and advanced tutorials for PixInsight, Affinity Photo, Siril, AstroPixel Processor, and Photoshop.
How to Access Tutorials
Go to Telescope Live Tutorials.
Click VIEW ALL to explore the full library.
Use the filters to select the software you’re using
Choose the tutorial and start watching!
Subscription Note
To access all tutorials, you’ll need a Tutorials-only subscription or a Dataset Silver subscription or above.
Need Help? We’re Here for You
If you have any questions about selecting or using software, don’t hesitate to contact our team. Use the web chat at the bottom-right corner of every Telescope Live page for personalized assistance.
Start your astrophotography journey today by choosing the software that best fits your needs, and let Telescope Live be your guide to mastering the cosmos!