Astro Photography Tool Video User Guide
Features - Object Calculator
The Object Calculator is a small, simple but vital part of APT. If you get this wrong it WILL cause you headaches when plate solving fails, leading to auto meridian flip (AMF) fails.
Online written guide - Object Calculator
https://www.astrophotography.app/usersguide/object_calculator.htm
APT Links
Homepage: https://astrophotography.app/
Forums: https://aptforum.com/phpbb/
User Guide: https://www.astrophotography.app/usersguide/
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Having alternatives drives progress!
https://astrophotography.app/alternatives.php
