Master Your Astrophotography with RegiStax

RegiStax is an essential software for astrophotographers, offering powerful stacking and processing capabilities that transform your starry images into stunning masterpieces.
Unlock the Universe with RegiStax: The Ultimate Astrophotography Image Processing Software
RegiStax is a powerful, free image processing software tailored for amateur and professional astronomers. Developed by Dutch astro-photographer Cor Berrevoets, this tool transforms raw astronomical images into stunning, detailed photos of celestial objects such as planets, the Moon, and the Sun.
Intuitive Interface for Effortless Image Enhancement
Featuring a user-friendly interface, RegiStax simplifies the complex process of astrophotography editing. Its intuitive design allows users to easily align, stack, and process multiple images with minimal hassle. Whether you're a beginner or an experienced astrophotographer, you'll find RegiStax accessible and efficient.
Advanced Features for High-Quality Results
- Image stacking: Combine multiple frames to improve signal-to-noise ratio and reveal fine details.
- Wavelet sharpening: Enhance image clarity by selectively sharpening different detail levels.
- Noise reduction: Minimize graininess and unwanted artifacts for cleaner images.
- Exposure correction: Maintain consistent brightness across frames for optimal results.
Customization and Preview Options
Users can adjust various settings such as the number of frames to stack and wavelet layers to fine-tune their images. A real-time preview window enables comparisons between different processing results before finalizing the output, ensuring you achieve the perfect shot.
Why Choose RegiStax?
- Free and open-source accessibility for all users.
- Continuous updates driven by an active astrophotography community.
- Ability to produce professional-quality astrophotos from amateur setups.
If you're passionate about capturing the cosmos, RegiStax is a must-have tool in your astrophotography arsenal. Its combination of powerful features, ease of use, and ongoing development make it the go-to software for stunning celestial imaging.
Overview
RegiStax is a Freeware software in the category Graphics Applications developed by Cor Berrevoets.
The users of our client application UpdateStar have checked RegiStax for updates 94 times during the last month.
The latest version of RegiStax is 6.1.0.8, released on 06/05/2025. It was initially added to our database on 10/29/2007. The most prevalent version is 6, which is used by 100% of all installations.
RegiStax runs on the following operating systems: Android/Windows. The download file has a size of 3.1MB.
Users of RegiStax gave it a rating of 4 out of 5 stars.
Pros
- Free to use
- Designed specifically for aligning and stacking astronomical images
- Offers advanced image processing features like wavelet sharpening and denoise filters
- Multiple alignment points for precise processing
- Supports various file formats including FITS, RAW, and AVI
Cons
- Not beginner-friendly, steep learning curve for new users
- Can be computationally intensive, requiring a powerful computer for large images
- Limited in features compared to other image processing software
FAQ
What is RegiStax?
RegiStax is a free image processing software specifically designed for enhancing images of planets, moons, and sun taken by digital cameras and telescopes.
Who developed RegiStax?
RegiStax was developed by Cor Berrevoets, a Dutch amateur astronomer and astrophotographer.
Is RegiStax available for free?
Yes, RegiStax can be downloaded and used for free from the official website.
What file formats are supported by RegiStax?
RegiStax supports most common image file formats including BMP, FITS, JPEG, PNG, and TIFF. However, FITS is the preferred format for astronomical images.
What are the main features of RegiStax?
Some of the main features of RegiStax include alignment and stacking of images, wavelet sharpening filter, color balance adjustment, noise reduction, and many more.
How does RegiStax align and stack images?
RegiStax uses a technique called "image registration" to align individual frames. It then stacks the aligned frames on top of each other to produce a clear and detailed final image.
What is wavelet sharpening filter?
Wavelet sharpening filter is a powerful tool in RegiStax that enhances the details in an image without introducing noise or artifacts. It is particularly useful in the context of astronomical imaging because it helps to reveal the fine details on planets and moons.
Is RegiStax user-friendly?
RegiStax has a user-friendly graphical interface but it does require some knowledge of astro-imaging techniques to use effectively. Cor Berrevoets provides a tutorial on the official website to help users get started.
Do I need expensive equipment to use RegiStax?
RegiStax can work with any camera or telescope setup that can capture digital images. However, the quality of the final image depends on the quality of the captured frames, so higher quality equipment generally leads to better results.
Can RegiStax be used for non-astronomical images?
RegiStax was specifically designed for astronomical images and is optimized for that purpose. However, it can be used for other types of images as well, although other software may be better suited for those tasks.

Elena Angelini
I'm Elena, your go-to software reviewer at UpdateStar and tech enthusiast. Whether you're a user seeking the latest software titles or software news I've got you covered. When I'm not diving into the latest software, you can find me exploring nature trails, camping under the stars, or competing in online multiplayer games. My reviews are designed to be fun, engaging, and packed with all the details you need to make informed decisions.
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