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2026-10-09 APP 2.0.0-beta48 has been released !

This is mainly a bug fix release for the reported bugs in beta47. In addition it has a significant User Interface performance improvement noticable when you need to process 1000s of images in APP.

2026-10-03 APP 2.0.0-beta47 has been released !

This is a very big release... many code optimizations/rewrites, many parts of APP are much faster and more precise, especially star analysis and registration are much faster ! Big mosaics will go much faster 🙂

And we introduce a new preview filter, which includes the new Adaptive Deep Sky Stretch and a General Levels Stretch, this has been long over due. The old preview filter (the panel on the right side to stretch and preview your data) has not been updated for a couple of years and it is a critical part of any APP session.

Adaptive Deep Sky Stretch or ADSS is a much more intuitive stretch algorithm. It is also color preserving (which is a great new addition in itself ! ) which means that the highlights are no longer bleached, color is maintained from the linear data while stretching. You can simply stretch your data using the sky background level and signal width sliders which work much easier and more intuitive. You no longer need to fiddle with the old complicated sliders with zoom buttons. All the zoom buttons for the sliders are made redundant. And you can enter slider values in the slider value fields yourself. I will make a youtube video in the coming days to explain and fully introduce ADSS. Once the video is ready, it will be highlighted on the forum.

RGB Combine upgrade !. The RGB Combine Tool has been rewritten mostly. The tool is faster and easier to use and most importantly, the Luminance slider to inject a luminance channel or channels into the RGB composite is now working correctly. It no longer bleaches the RGB colors. Combined with the new ADSS preview, you will get much better and easier great composites with great color! I will also explain this in a new youtube video.

Comet registration and integration

forum for all questions related to comet processing
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Topic Title
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Posts

How I processed a comet to get nice round stars using APP

First post and replies  | Last post by Lucky Budd, 4 years ago

7932
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Comet Registration in Astro Pixel Processor 1.083-beta1 - video tutorial

First post and replies  | Last post by Mabula-Admin, 5 years ago

14528
43

Beta-41 Comet Registration Issues

First post and replies  | Last post by Mabula-Admin, 5 months ago

898
8

Comet stacking

First post and replies  | Last post by Trevor Appleton, 11 months ago

691
1

Comet stacking to eliminate star trailing with Starnet, etc. (2 viewing)

First post and replies  | Last post by Bojan Hebar, 12 months ago

1713
4

Comet Stacking Issues

First post and replies  | Last post by Edward Plumer, 12 months ago

1774
6

NullPointerException in Comet Registration

First post and replies  | Last post by Leonard Libbey, 1 year ago

2634
13

Comet stacking

First post and replies  | Last post by Mabula-Admin, 1 year ago

1321
2

Trailing stars rejection

First post and replies  | Last post by Lucky Budd, 2 years ago

12244
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Comet registration in APP Only

First post and replies  | Last post by Anonymous 174, 3 years ago

1835
2

Comet C2022E3 not possible to stack in Comet Tool

First post and replies  | Last post by Reginald Gaudino, 4 years ago

3196
13

Comet registration buttons not visible

First post and replies  | Last post by Mabula-Admin, 4 years ago

3030
11

Processing comet with new APP 2.0.0-beta 13 release

First post and replies  | Last post by Anonymous 174, 4 years ago

1984
2

Exception starting comet registration

First post and replies  | Last post by Anonymous 174, 4 years ago

1810
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APP adds comet

First post and replies  | Last post by Peter Weinreich, 4 years ago

2722
10

Comet Registration; a faint comet is not selectable

First post and replies  | Last post by DickvanTatenhove, 4 years ago

3231
8

APP not finding nuclei

First post and replies  | Last post by Anonymous 174, 4 years ago

1701
2

Ting! - suggest sound notification of "select comet nucleus"

First post and replies  | Last post by Gary Eason, 4 years ago

2915
6

Comet registration and layout issue with beta 2.0.0. release (1 viewing)

First post and replies  | Last post by Robert Slobins, 4 years ago

2555
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Recent upload

First post and replies  | Last post by Anonymous 174, 4 years ago

2965
6

Reference Frame data in metadata?

First post and replies  | Last post by Satoru Murata, 4 years ago

1993
3

combine LRGB and fine tune registration

First post and replies  | Last post by Jordi Belloc, 4 years ago

2150
3

Streaky comet in LRGB

First post and replies  | Last post by Rick Wayne, 4 years ago

2584
4

1-star registration, local normalization rejection - interesting star trails

First post and replies  | Last post by Wouter van Reeven, 5 years ago

4067
2

Double-comet opportunity for the rest of March 2022

First post and replies  | Last post by Anonymous 174, 5 years ago

2229
2

Have to click on overy frame

First post and replies  | Last post by Hubert Hautecler, 5 years ago

4254
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Very challenging image set - faint comet, bright stars, near horizon, twilight starting

First post and replies  | Last post by Anonymous 174, 5 years ago

4299
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Faint comet in rich star field - manual registration mode?

First post and replies  | Last post by Mabula-Admin, 5 years ago

3257
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Comet registration when using two different image sets

First post and replies  | Last post by Anonymous 174, 5 years ago

2983
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Comet Leonard using the Comet Webinar tutorial data

First post and replies  | Last post by Willie Strickland, 5 years ago

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