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RGB combine issue?  

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(@apatil)
Molecular Cloud Customer
Joined: 8 months ago
Posts: 5
October 31, 2018 21:08  

I am new to APP.  I am working on bicolor (HA and OII) image of NGC 7000.  The initial process up to integration worked flawlessly and was much simpler than Pixinsight.  Both HA and OII images looked great.   I then tried to use RGB combine by properly loading the images and assigning them to proper channels.  First I assigned 100% red to HA and 100% blue to OII and tried calculating I got solid color image.  No matter whatever combination of percentages I used I am still getting a solid color image.  Histogram looked shifted all the way to right.  Not sure what I am doing wrong.  I tried to reinstall the program but no change.  Also tried to use previous HA and OII images of Crescent nebula processed in APP that worked fine before with the earlier version of APP and they don't seem to work now.  Please help.

Thanks

Avinash


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(@apatil)
Molecular Cloud Customer
Joined: 8 months ago
Posts: 5
November 1, 2018 00:11  

As a followup trying to insert link that shows screenshots of individual HA and OII images and failed RGB combine

https://www.dropbox.com/sh/2fvrf0gxjjvjizs/AACEP2D6tbSQIezPY0HqJHSOa?dl=0


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(@apatil)
Molecular Cloud Customer
Joined: 8 months ago
Posts: 5
November 1, 2018 04:20  

It seems to be working fine now.  I restored the computer to last week's date and reinstall APP and does seem to work fine.  Please ignore my earlier messages.  Sorry for the earlier post.


(@vincent-mod)
Black Hole Moderator
Joined: 2 years ago
Posts: 304
November 4, 2018 08:51  

No worries, my apologies for not coming back to this a bit sooner. It is a bit weird that a reinstall/restore of a backup fixed the issue, almost sounds like it was a library problem of some sorts. Thanks a lot for letting us know as it's always valuable information! (@mabula-admin)


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(@geordan)
Brown Dwarf Customer
Joined: 1 year ago
Posts: 7
February 19, 2019 07:16  

I am also experiencing this issue with version 1.071.


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(@geordan)
Brown Dwarf Customer
Joined: 1 year ago
Posts: 7
February 19, 2019 17:53  

Aha, figured out what I was doing wrong: the L sliders needed to be something other than 0.  That wasn't shown in some of the tutorials I've seen; did that behavior change?


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