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Contains:  Helix nebula, NGC 7293
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NGC7293, 





    
        

            yixiandave
NGC7293

NGC7293

Technical card

Resolution: 2752x2160

Dates:Aug. 12, 2018

Frames:
Optolong B 1,25": 5x600" (gain: 18.00) -10C bin 1x1
Optolong G 1,25": 5x600" (gain: 18.00) -10C bin 1x1
Optolong L 1,25": 5x600" (gain: 18.00) -10C bin 1x1
Optolong R 1,25": 5x600" (gain: 18.00) -10C bin 1x1

Integration: 3.3 hours

Darks: ~20

Flats: ~20

Bias: ~50

Avg. Moon age: 1.27 days

Avg. Moon phase: 1.80%

Bortle Dark-Sky Scale: 5.00

Temperature: 25.00

Astrometry.net job: 2194302

RA center: 337.410 degrees

DEC center: -20.834 degrees

Pixel scale: 1.248 arcsec/pixel

Orientation: 97.583 degrees

Field radius: 0.607 degrees

Locations: Home, Nanjing, Jiangsu, China

Data source: Backyard

Description

The light of airport nearby was really a big problem

Comments

Author

yixiandave
yixiandave
License: Attribution-NonCommercial Creative Commons
1260
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NGC7293, 





    
        

            yixiandave