Search found 263 matches
- 17 Dec 2018, 14:59
- Forum: Image processing and analysis
- Topic: Photometry
- Replies: 2
- Views: 2016
Photometry
Hello. I am new to Astro Art. I have a newbie question: I have 3 files, taken with my Canon EOS 550D camera: IMG.cr2 DARK.cr2 FLAT.cr2 Is there a description somewhere how to calculate the magnitude of "the star" in all 4 layers, when "the comparison star" is known? It is my impression that AstroArt...
- 17 Dec 2018, 14:56
- Forum: Image processing and analysis
- Topic: Clipping in stacked images
- Replies: 1
- Views: 1383
Re: Clipping in stacked images
Hello, may you explain "dark point clipping"?
Is this just a sum of colour images without any darks or flats?
Is this just a sum of colour images without any darks or flats?
- 17 Dec 2018, 14:49
- Forum: Image processing and analysis
- Topic: Clipping in stacked images
- Replies: 1
- Views: 1383
Clipping in stacked images
Firstly...Happy New Year.
I was using AA to stack some RGB subs and noticed there appeared to be dark point clipping (also saw when I opened the stacked images in PS and used levels). The subs themselves seemed ok when I captured them using SGPro. Any ideas? Thanks
I was using AA to stack some RGB subs and noticed there appeared to be dark point clipping (also saw when I opened the stacked images in PS and used levels). The subs themselves seemed ok when I captured them using SGPro. Any ideas? Thanks
