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Old 14-01-2015, 07:09 AM
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jsmoraes (Jorge)
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NGC 1973 - Running Man - 2015

GSO 305 mm - Canon 350D mod - 14 x 3 min (42 min) - ISO 800 - OAG - Skyglow filter Coma corrector
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Old 15-01-2015, 12:48 AM
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jsmoraes (Jorge)
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And a comparison with Canon T3.
note: the coma corrector was washed to clean the reflexion of strongs stars.

Sorry, the files are a little big to IIS. You can see at:

http://jsmastronomy.30143.n7.nabble....d351.html#a352

Or

wide: http://astronomia-e-astrofotos.10697...13-wide-k9.jpg

detail: http://astronomia-e-astrofotos.10697...-detail-k9.jpg
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Old 15-01-2015, 10:10 AM
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Camelopardalis (Dunk)
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Nice detail Jorge, but they look a little too magenta...is your camera modded? To my unmodded 1100D, the Running Man is predominantly blue, but maybe because it's not picking up the red?
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Old 15-01-2015, 11:10 PM
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With 350D the image comes very red. Very much red.
With 1100D the image comes with low red. Not much low red.

The image with 1100D cames more blue and white. I did a improvement in red color. The nebula seemed much blue for me. I did an increment in the red information. If I haven't O3 filter the image must seems with some red color.

At least, I think it !
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Old 16-01-2015, 01:10 AM
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rustigsmed (Russell)
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hi Jorge,

nice shot, however i think this has a lot more magenta than you usually would have in your pics. the curve data appeared that you had stretched the red more than the green and blue channels.

I have had a redo
https://www.flickr.com/photos/803366...ream/lightbox/

i hope you don't mind, i just did a quick go at rebalancing the colours so that it appeared more of the blue. I'm sure you can improve it with a quick reprocess.
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Old 16-01-2015, 09:17 AM
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jsmoraes (Jorge)
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Thank you Russel for reprocessing. The image that you refer was did with my 350D mod - without IR filter. It hasn't any filter against the IR.

note: this thread has two different images: one with 350D and other with 1100D. The photo with 1100D has a file size not supported by Ice in Space. Therefore, I posted the link to you see the photos.

Because this, the photos are very reddish. Very much reddish. I reduced the red information above 50% and the photo is reddish !

I was using custmon white balance, and with normal photo with light of day it is well. But with astrophotos it is very reddish. I tried to use tungsten and others. The red information is very strong.

Your processing is better than mine. I will give up from my 350D. Many problems with contact and my other Canon, 1100D, has live view, better to focus.

Perhaps only for special targets. But it is very difficult replace the cameras. I have to adjust the focus between guinding camera and Canon.
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Old 16-01-2015, 04:38 PM
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rustigsmed (Russell)
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Quote:
Originally Posted by jsmoraes View Post
Thank you Russel for reprocessing. The image that you refer was did with my 350D mod - without IR filter. It hasn't any filter against the IR.

note: this thread has two different images: one with 350D and other with 1100D. The photo with 1100D has a file size not supported by Ice in Space. Therefore, I posted the link to you see the photos.

Because this, the photos are very reddish. Very much reddish. I reduced the red information above 50% and the photo is reddish !

I was using custmon white balance, and with normal photo with light of day it is well. But with astrophotos it is very reddish. I tried to use tungsten and others. The red information is very strong.

Your processing is better than mine. I will give up from my 350D. Many problems with contact and my other Canon, 1100D, has live view, better to focus.

Perhaps only for special targets. But it is very difficult replace the cameras. I have to adjust the focus between guinding camera and Canon.

No worries Jorge rather than turn down the red I upped the blue and green in curves (separating rgb channels)
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Old 16-01-2015, 04:45 PM
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I have never been able to work out how to view pics on Flickr when following an IIS link. It just takes you to the Flickr website, exhorting me to download it, whereas Astrobin takes you directly to the pic.
raymo
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  #9  
Old 16-01-2015, 10:09 PM
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jsmoraes (Jorge)
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Quote:
rather than turn down the red I upped the blue and green in curves (separating rgb channels)
Good strategy ! I will try.

Raymo, I don't like the Flickr because this, too. I forgot how to make it shows the image with full resolution.
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