Astrophotography Tools
Free calculators to help you plan your imaging setup. Select from your catalog or enter values manually.
What Did I Photograph?
Upload your astrophoto and we'll identify the celestial object using plate solving.
FOV Calculator
Calculate field of view with your camera and telescope. Visualize what targets will look like.
Pixel Scale Calculator
Calculate image scale in arcseconds per pixel. Determine if you are oversampling or undersampling.
Mount Payload Calculator
Check if your mount can handle your imaging train. Calculate payload utilization percentage.
Backfocus Calculator
Calculate total backfocus distance from your imaging train components. Match your corrector specs.
Image Circle Checker
Check if your sensor fits within your optic's image circle. Predict vignetting issues.
Filter Recommendations
Get filter suggestions based on your Bortle class and camera type. Fight light pollution.
Need to build a complete kit?
Use Kit Builder to select all your components, see compatibility, and visualize FOV together.
📦 Catalog Mode
Select products from our catalog and we'll fill in the specs automatically. Easy if you're researching specific gear.
✏️ Manual Mode
Enter your own values directly. Perfect for gear not in our catalog or when you know the exact specs.