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  1. Galleries
  2. »
  3. Astrophotography
  4. » Andromeda

 
Andromeda...

Astrofotografia

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Andromeda sent on September 19, 2021 (15:36) by Redelnulla75. 15 comments, 462 views. [retina]

Ciao,primi passi in astrofotografia... 181 light x un totale di 3,03h 50 dark 40 flat 40 dark flat. optolong l pro. sotto il cielo urbano della mia città (Frosinone). ciao


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avatarjunior
sent on September 19, 2021 (20:08) | This comment has been automatically translated (show/hide original)

Beautiful, with what lens ?

avatarjunior
sent on September 19, 2021 (20:32) | This comment has been automatically translated (show/hide original)

Thanks, done with williams optics zs61 ii ; and with asi 294 pro color. Hello

avatarsenior
sent on September 23, 2021 (10:04) | This comment has been automatically translated (show/hide original)

Nice detail, but shows a strong green dominant.
I would feed you to the SCNR process on PixInsight or HLVG on Photoshop.

avatarjunior
sent on September 26, 2021 (13:34) | This comment has been automatically translated (show/hide original)

Thanks Giancarlo!!
I'll tell you, I used scnr on pixinsight and a monitor (calibrated) in the tiff version, I do not notice the green dominant. but if you tell me even strong I think it is due to the conversion and / or monitor. hello and thanks!!!

avatarsenior
sent on September 26, 2021 (17:03) | This comment has been automatically translated (show/hide original)

I don't know, seen on Mac Book Pro + Dell I see it with a clear green dominant.
For curiosity I looked at it on Smartphones and Tablets and I confirm.
Possible that there is some problem with the color profile during export?

avatarjunior
sent on September 27, 2021 (17:58) | This comment has been automatically translated (show/hide original)

Mah... likely to be exporting via lightroom... I don't know. it would be to ask others if they see the dominant green. just to understand and act accordingly...

avatarjunior
sent on September 27, 2021 (18:05) | This comment has been automatically translated (show/hide original)

It doesn't seem to me that it has green dominant

avatarsenior
sent on September 27, 2021 (19:22) | This comment has been automatically translated (show/hide original)

When in doubt I made an average blur to understand what was the dominant color. The picker does not lie. Green predominates. Little but predominates.
Over, passing the screenshot on SCNR results in a very different result. If the author authorizes me to do so I can post the result.

avatarjunior
sent on September 27, 2021 (21:00) | This comment has been automatically translated (show/hide original)

go quiet! No problem!!!

avatarsenior
sent on September 28, 2021 (9:56) | This comment has been automatically translated (show/hide original)

Here it is:



avatarjunior
sent on September 28, 2021 (12:03) | This comment has been automatically translated (show/hide original)

In fact it had a green dominant. Congratulations Giancarlo you have an eye.
I'm already there, I ask you for advice. I am a beginner and I am at a minitrack lx3. Notwithstanding that I want to make a light and transportable setup (in the future I will take Skywatcher Mount AZ-GTi GoTo) does it make sense to take a Canon EF 200mm f/2.8 L II USM used at 470 to make medium-field objects ?

avatarsenior
sent on September 28, 2021 (12:08) | This comment has been automatically translated (show/hide original)

In my opinion the AZ-GTi GoTo is not indicated.
I suggest you open a special thread, so you have more visibility, let's discuss it there... ;)

avatarjunior
sent on September 28, 2021 (19:36) | This comment has been automatically translated (show/hide original)

Urka!!! now that you have put them in front of me I admit that the difference is there ... and how... great giancarlo!!! but I had done the SCNR process in pixinsight. then converted the file to tiff on pixinsight and opened with photoshop in fact the color changes. I also double-checked with the heart nebula where the red changes more markedly. the strange thing is that I work with both sw with the color profile calibrated with the probe... I still have a lot to study and learn... and your post contributes to growth! ;-)

avatarsenior
sent on September 28, 2021 (23:05) | This comment has been automatically translated (show/hide original)

Are you sure you don't have some different profile on Photoshop?
Export in 32bit or 16bit?

avatarjunior
sent on September 29, 2021 (5:08) | This comment has been automatically translated (show/hide original)

hemm... I opened the thread but I do not row anyone :-(


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