Jan 31 2026: APP 2.0.0-beta40 will soon be released with many fixes especially for Linux, upgraded development platform and 10-20% performance boost !

Jan 15 2026: FIXED LICENSE SERVER VPN Tunnel issue

The issue could have prevented APP to start when using a VPN tunnel or another complicated network configuration, like using APP on a remote computer on a different continent. This issue is fixed now and APP should start normally.

Jan 04 2026: Update on the 2.0.0 release & the full manual

We are getting close to the 2.0.0 stable release and the full manual. The manual will soon become available on the website and also in PDF format. Both versions will be identical and once released, will start to follow the APP release cycle and thus will stay up-to-date to the latest APP version. Unfortunately, Mabula was struck by a severe flu virus in the past couple of weeks and thus could not work. He is getting much better now and he has resumed work to release 2.0.0 as soon as possible. Once 2.0.0 is released, the price for APP will increase. Owner's license holders will not need to pay an upgrade fee to use 2.0.0, neither do Renter's license holders.

Nov 28 2025: APP 2.0.0-beta39 has been released !

It is a major update with a new and much improved registration engine and much better Multi-Narrowband processing !

FITS Header data lost in APP

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Last Post by Anonymous 3 years ago

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Norman Hamann

(@screetch82)

White Dwarf

Joined: 6 years ago

Posts: 7

Topic starter December 29, 2022 09:31

I am organizing all my Astro data and noticed that whilst going through the steps in APP some data is getting lost in APP throughout the steps.

E.g Object name or RA DEC, Telescope Hardware, Location data, Weather Data etc.

Between the light frame and Integration most of the data gets lost, and processing information added, when doing a calibrate background etc

some fields like Observation data or gain gets re-added with no usefull data. When Combining Images using Combine RGB even the total exposure time

seems to get lost. Am I doing something wrong?

I expected that only data gets added to the fits header, but not removed. I would want to see Object Name, Site location data, Equipment info also in the final integration fits.