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Star Exposure Calculator

by Dejan Boras more by this developer →

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Category: Photo & Video

Description

Star Exposure Calculator is an app that helps you calculate the right exposure settings for pin-sharp stars in astrophotography.

Features:
• Calculate star exposure via simple or complete NPF rule for pin-sharp stars
• Calculate star exposure via 500 rule
• Calculate focal ratio of your telescope
• Telescope magnification calculator
• Maximum telescope magnification calculator
• Telescope true field of view calculator

We constantly update the app to provide more features that users are looking for, so expect even more with future updates.

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History

Tracking since 09/05/2026. History accumulates as changes are observed — check back soon.