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Contains:  IC 1795, NGC 896
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IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann
IC 1795 - Fishhead Nebula in SHO

IC 1795 - Fishhead Nebula in SHO

Technical card

Resolution: 3444x3226

Dates:Oct. 6, 2018

Frames:
Baader H-Alpha 2" 7nm: 6x600" (gain: 200.00) -15C bin 1x1
Baader OIII 2" 8,5nm: 6x600" (gain: 200.00) -15C bin 1x1
Baader SII 2" 8nm: 6x600" (gain: 200.00) -15C bin 1x1

Integration: 3.0 hours

Darks: ~50

Flats: ~50

Bias: ~50

Avg. Moon age: 26.62 days

Avg. Moon phase: 9.30%

Bortle Dark-Sky Scale: 6.00

Temperature: 24.00

Astrometry.net job: 2302138

RA center: 36.456 degrees

DEC center: 62.003 degrees

Pixel scale: 1.382 arcsec/pixel

Orientation: 180.661 degrees

Field radius: 0.906 degrees

Data source: Backyard

Description

One of the objects in the sky for which my wife says that you can actually see what the name says :-). The new cleaning fluid did indeed help, revealing that I do have a slight scratch on the front glass, causing the blue streak for bigger stars. I guess I do have to live with that :-(.

Comments

Author

udeuterm
Uwe Deutermann
License: Attribution-NonCommercial-ShareAlike Creative Commons
1020
Like

Revisions

  • IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann
    Original
  • IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann
    B
  • IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann
    C
  • Final
    IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann
    D

B

Tried out some new imaging techniques.

C

New processing with PI. The S-Channel was just too strong, hence too many red tiny stars. With the next processing this shall be adjusted!

D

Further processing. Added 20% of the S channel to Hα and OIII. Created an HSO and SHO image out of these 3 channels and combined them.

Sky plot

Sky plot

Histogram

IC 1795 - Fishhead Nebula in SHO, 





    
        

            Uwe Deutermann

In these public groups

Narrowband imaging