Choosing the right astronomy software can dramatically improve your results. Whether you're imaging deep-sky objects, capturing planets, or learning the night sky.
Below you'll find the most trusted software used today, categorized by purpose and experience level.
A powerful and fully free automation platform for deep-sky imaging. Advanced sequencing, plate solving, autofocus, and full mount/camera control.
Best use case: Advanced deep-sky automation
Skill level: Intermediate → Advanced
Free / Paid: Free
Beginner-friendly interface with reliable DSLR and camera support.
Best use case: Beginner deep-sky imaging
Skill level: Beginner
Free / Paid: Free
Designed specifically for Canon and Nikon DSLRs.
Best use case: DSLR deep-sky imaging
Skill level: Beginner → Intermediate
Free / Paid: Paid
An integrated professional solution for image acquisition, calibration, stacking, and processing. Widely used in professional and semi-professional environments.
Best use case: Complete CCD/CMOS workflow (SBIG Camera users)
Skill level: Advanced
Free / Paid: Paid
KStars is a free, open-source planetarium software built on the KDE framework, offering detailed and customizable sky simulations.
It includes Ekos, a cross-platform observatory control and automation tool for astrophotography, featuring accurate GoTo, polar alignment correction, autofocus, autoguiding, and automated image capture.
It works especially well alongside StellarMate, which provides a dedicated hardware and software solution for remote and automated imaging setups.
Best use case: Open-source automated acquisition. (Stellarmate)
Skill level: Intermediate → Advanced
Free / Paid: Free
A popular acquisition solution for DSLR and dedicated astronomy cameras. It offers imaging sequences, dithering, autoguiding via plug-ins, and basic image processing tools. Allow to capture in many formats, including; FITS, PNG, TIFF, JPEG, and DSLR RAW files.
Best use case: Flexible DSLR/CMOS capture
Skill level: Beginner → Intermediate
Free / Paid: Previously Paid, but now Free
Industry standard for high-frame-rate planetary capture.
Best use case: Planetary imaging
Skill level: Intermediate → Advanced
Free / Paid: Free
Primarily used for planetary imaging, but also excellent for:
Live stacking
Electronically Assisted Astronomy (EAA)
Fast deep-sky sessions
Best use case: Planetary + EAA
Skill level: Beginner → Advanced
Free / Paid: Free & Paid Pro Version
Solar imaging requires precise timing, proper filtration, and high-frame-rate capture. In addition to planning tools, two of the best acquisition programs for solar work are FireCapture and SharpCap.
⚠️ Always use a certified solar filter when imaging the Sun.
Ideal for high-resolution solar imaging thanks to:
High-frame-rate video capture
Precise exposure control
ROI for increased FPS
Excellent for sunspots, granulation, and H-alpha prominences.
Best use case: High-detail solar imaging
Free / Paid: Free
User-friendly and versatile, offering:
Real-time histogram control
ROI adjustment
Live stacking capability
Great for quick solar sessions and outreach.
Best use case: Easy solar capture & live stacking
Free / Paid: Both (Free + Pro)
SunCalc – Plan solar position, altitude, and timing.
Helioviewer – Explore solar activity before imaging.
Solar Eclipse Maestro – Automate eclipse exposure sequences.
ASIStudio is a software suite developed by ZWO for controlling ASI cameras and accessories. It includes multiple tools such as capture software, planetary imaging, live stacking, video capture, and basic processing.
It is commonly used for:
Planetary imaging
Lunar capture
Quick deep-sky sessions
While it is not as automation-focused as N.I.N.A., it integrates very well within the ZWO ecosystem.
Best use case: ZWO camera and accessories control, planetary imaging, quick sessions.
Skill level: Beginner → Intermediate
Free / Paid: Free
The ASIAIR app is ZWO’s dedicated mobile control platform designed for use with ASIAIR devices. It allows users to control their entire imaging setup from a smartphone or tablet.
With ASIAIR, you can:
Perform GoTo and plate solving (compatible with many mount brands)
Run autofocus and autoguiding
Automate deep-sky imaging sequences
Control filter wheels and accessories
Monitor live previews in real time
ASIAIR is highly popular for portable and streamlined astrophotography setups, especially for users fully invested in the ZWO ecosystem.
Best use case: Portable deep-sky automation with ZWO equipment
Skill level: Beginner → Intermediate
Free / Paid: Free (requires ASIAIR device)
English Complete Tutorial for ASIAIR by Peter Zelinka
French Tutorial For ASIAIR by Astronomie Pratique
The global standard for autoguiding.
Best use case: Deep-sky guiding
Skill level: All levels
Free / Paid: Free
Simple stacking for beginners.
Best use case: Beginner stacking
Skill level: Beginner
Free / Paid: Free
Calibration, stacking, and processing in one free tool.
Best use case: Deep-sky stacking & processing
Skill level: Beginner → Advanced
Free / Paid: Free
Reference standard for planetary stacking.
Best use case: Planetary stacking
Skill level: Intermediate
Free / Paid: Free
Wavelet sharpening for planetary images.
Best use case: Planetary detail enhancement
Skill level: Intermediate
Free / Paid: Free
Intuitive deep-sky processing workflow.
Best use case: Deep-sky integration & mosaics
Skill level: Intermediate
Free / Paid: Paid (free 30 days trial)
Professional-grade and more complete processing powerhouse.
Best use case: Advanced deep-sky processing
Skill level: Advanced
Free / Paid: Paid (free trial)
Peter Zelinka Tutorial:
Realistic planetarium software.
Best use case: Learning the sky
Skill level: Beginner
Free / Paid: Free and paid version
Precise sky chart planning tool.
Best use case: Detailed observation planning
Skill level: Intermediate
Free / Paid: Free
Powerful mobile observing app with GoTo control. Application here
Best use case: Mobile observing
Skill level: Beginner → Advanced
Free / Paid: Paid
Find dark-sky observing locations.
Best use case: Site selection
Free / Paid: Free
Astronomy-specific weather forecasts.
Free / Paid: Free
Astronomy Tools is a very popular web-based planning platform used by astrophotographers to calculate field of view (FOV), check camera and telescope compatibility, and preview how objects will be framed with specific setups.
It is especially helpful when:
Choosing a new camera
Selecting a telescope
Deciding on a focal reducer or flattener
Planning future imaging targets
Because it runs directly in a browser, no installation is required.
Best use case: Imaging planning, FOV calculation, equipment matching
Skill level: Beginner → Advanced
Free / Paid: Free (web-based)
| Software | Main Use | Skill Level | Free / Paid |
|---|---|---|---|
| N.I.N.A. | Deep-sky automation | Intermediate → Advanced | Free |
| APT | Deep-sky imaging | Beginner | Paid (low cost) |
| SharpCap | Planetary / EAA / Live Stacking | Beginner → Advanced | Both (Free + Pro version) |
| FireCapture | Planetary imaging | Intermediate → Advanced | Free |
| ASIStudio | ZWO camera control / Planetary | Beginner → Intermediate | Free |
| PHD2 | Autoguiding | All levels | Free |
| Siril | Stacking & processing | Beginner → Advanced | Free |
| Astro Pixel Processor | Deep-sky processing | Intermediate | Paid |
| PixInsight | Advanced deep-sky processing | Advanced | Paid |
| Stellarium | Visual observing / Sky navigation | Beginner | Both |
| Astronomy Tools | FOV calculator / Imaging planning | Beginner → Advanced | Free |
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