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Contains:  NGC 884, Double cluster, NGC 869, The star 7Per
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Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel
Double Cluster h + Chi Persei (NGC869 + NGC884)

Double Cluster h + Chi Persei (NGC869 + NGC884)

Technical card

Resolution: 4539x2959

Dates:Oct. 15, 2017

Frames: 100x60" ISO800

Integration: 1.7 hours

Flats: ~30

Avg. Moon age: 25.26 days

Avg. Moon phase: 19.25%

Bortle Dark-Sky Scale: 3.00

Mean SQM: 21.00

Temperature: 10.00

Astrometry.net job: 1880243

RA center: 35.212 degrees

DEC center: 57.120 degrees

Pixel scale: 1.418 arcsec/pixel

Orientation: 40.285 degrees

Field radius: 1.067 degrees

Locations: Oberwindsberg, Lauf, Bayern, Germany

Data source: Traveller

Comments

Author

Hartmuth_Kintzel
Hartmuth Kintzel
License: None (All rights reserved)
3452
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Revisions

  • Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel
    Original
  • Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel
    B
  • Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel
    C
  • Final
    Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel
    D

B

a little less cyan tint

C

spikes added.

D

Higher Resolution

Sky plot

Sky plot

Histogram

Double Cluster h + Chi Persei (NGC869 + NGC884), 





    
        

            Hartmuth Kintzel