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Contains:  IC 342
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IC342 The hidden Galaxy, 





    
        

            Albert van Duin
IC342 The hidden Galaxy

IC342 The hidden Galaxy

Technical card

Resolution: 4449x3549

Dates:Nov. 19, 2019

Frames: 30x600"

Integration: 5.0 hours

Avg. Moon age: 21.75 days

Avg. Moon phase: 54.26%

Astrometry.net job: 3087074

RA center: 3h 46' 49"

DEC center: +68° 4' 51"

Pixel scale: 0.679 arcsec/pixel

Orientation: 358.673 degrees

Field radius: 0.537

Locations: Beilen Observatory B85, Beilen, Drenthe, Netherlands

Data source: Backyard

Description

6 x 600s each for LRGB. Transparency was not great, SQM was around 20....
But the seeing was very good. Unfortunately all stars ar a bit mis-shaped.
I am working on the spider for the secondary at the moment, I hope to iron these problems out.

The second version is with extra L extracted from the RGB.

Comments

Author

Albert_van_Duin
Albert van Duin
License: None (All rights reserved)
1911
Like

Revisions

  • IC342 The hidden Galaxy, 





    
        

            Albert van Duin
    Original
  • IC342 The hidden Galaxy, 





    
        

            Albert van Duin
    B
  • IC342 The hidden Galaxy, 





    
        

            Albert van Duin
    C
  • Final
    IC342 The hidden Galaxy, 





    
        

            Albert van Duin
    E

B

Used lightness of RGB as extra Luminance

C

Different colour balance method.

E

added an extra hour of Luminance

Sky plot

Sky plot

Histogram

IC342 The hidden Galaxy, 





    
        

            Albert van Duin