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Contains:  NGC 4926, NGC 4923, NGC 4921, NGC 4919, IC 4051, NGC 4911, NGC 4908, NGC 4907, IC 4040, NGC 4896, NGC 4895, NGC 4889, NGC 4874, NGC 4869, NGC 4867, NGC 4865, IC 3949, NGC 4853, NGC 4850, NGC 4848
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Coma Cluster - Abell 1656, 





    
        

            Daniel.P
Coma Cluster - Abell 1656

Coma Cluster - Abell 1656

Acquisition type: Electronically-Assisted Astronomy (EAA)

Technical card

Resolution: 4656x3520

Dates:April 30, 2019

Frames:ZWO new L: 77x120" -18C bin 1x1

Integration: 2.6 hours

Avg. Moon age: 25.33 days

Avg. Moon phase: 18.68%

Mean SQM: 21.20

Mean FWHM: 2.90

Temperature: 10.00

Astrometry.net job: 2710075

RA center: 194.996 degrees

DEC center: 27.979 degrees

Pixel scale: 0.911 arcsec/pixel

Orientation: 351.666 degrees

Field radius: 0.738 degrees

Locations: Duc, Prayssas, Lot et Garonne, France

Data source: Backyard

Description

The processing was done in PI as follow

- Flat Field Dark Substraction
- Flat Field Integration
- Images Calibration (Dark Substraction and FF correction)
- Cosmetic Correction
- Image Registration
- Image Integration
- DBE or ABE
- Deconvolution masked with 2.2 pixel psf
- Nonlinear Image Creation
- TGV denoise
- Remove flip (horizontal mirror)

Final image adjustments performed in Iphoto on Imac (levels adjustments)

Comments

Author

Daniel.P
Daniel.P
License: None (All rights reserved)
410
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Revisions

  • Coma Cluster - Abell 1656, 





    
        

            Daniel.P
    Original
  • Coma Cluster - Abell 1656, 





    
        

            Daniel.P
    B
  • Final
    Coma Cluster - Abell 1656, 





    
        

            Daniel.P
    C

B

NGC & PGC galaxies' names

Sky plot

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Histogram

Coma Cluster - Abell 1656, 





    
        

            Daniel.P