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Contains:  NGC 6995, Veil nebula, Network nebula, NGC 6992, IC 1340
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Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !

Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !

Technical card

Resolution: 2835x1712

Dates:Sept. 10, 2015

Frames: 24x520"

Integration: 3.5 hours

Avg. Moon age: 27.02 days

Avg. Moon phase: 6.99%

Astrometry.net job: 823500

RA center: 314.047 degrees

DEC center: 31.399 degrees

Pixel scale: 1.621 arcsec/pixel

Orientation: 83.745 degrees

Field radius: 0.746 degrees

Locations: La Gueule du Loup (Malonne), Namur, Namur, Belgium

Description

I've been quite happy with the Westrn Veil I could acquire in south of France, building up to 62 subs into the final picture you may have seen in my gallery...
> Now, over a period of 5 nights I've been acquiring already more than 60 subs of this Eastern part of the Veil complex. Last night I was lucky with some quality S-II subs, so I impulsively decided to share this very first SHO image : first version with only 3 unprocessed (no darks, etc.) subs, than adding !
The only denoise action I took here was a heavy 2 pixels median noise reduction and some color balancing.
Now VERSION E will be the last of this game : full image will be on a new page with probably more than 50 adequate subs
I will need hours of work to complete what I believe will be my best image to date, at least a very fun to work with :-)

E VERSION : I believe I screwed it up a little with too much "hardcore" noise reduction ; but as I had not much time these days... it will have to wait for next holidays :-)

DATA :
D VERSION :
Ha : 3 x 450'' / O-III : 3 x 450 / S-II : 2 x 720''
E VERSION :
Ha : 9 x 450'' / O-III : 11 x 450 / S-II : 4 x 720''

A VERSION :
Ha : 1 x 450'' @ 3200 iso ;
O-III : 1 x 450'' @ 3200 iso ;
S-II : 1 x 720'' @ 3200 iso ;
B VERSION : one more O-III sub
C VERSION : one more Ha sub (and color inversions to check out for unconspicuous details!)
1 sub from each night = 1 x 600''Ha / 1 x 450'' Ha / 2 x 450'' O-III / 1 x 720'' S-II

Comments

Author

Ewam
Ewam
License: None (All rights reserved)
6502
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Revisions

  • Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
    Original
  • Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
    B
  • Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
    C
  • Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
    D
  • Final
    Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam
    E

Sky plot

Sky plot

Histogram

Eastern Veil nebula in SHO (NGC6995) - Too much enthusiasm : publishing a 3, 4, 5, 8 & 24 subs assembly !, 





    
        

            Ewam