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Contains:  Crescent nebula, NGC 6888, The star 34Cyg
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Crescent Nebula, 





    
        

            bobfang
Crescent Nebula

Crescent Nebula

Technical card

Imaging telescope or lens:Celestron Evolution 6"

Imaging camera:QHYCCD QHY183C

Mount:iOptron CEM25p

Guiding telescope or lens:QHYCCD QHY Mini Guide Scope

Guiding camera:QHYCCD QHY5L-IIc

Focal reducer:Starizona HyperStar 3

Software:DeepSkyStacker

Accessory:QHYCCD Polemaster

Resolution: 2594x1788

Dates:Aug. 3, 2019

Frames:
IDAS NB1 Nebula Booster: 47x120" (gain: 16.00) -10C bin 1x1
IDAS NB1 Nebula Booster: 19x300" (gain: 16.00) -10C bin 1x1

Integration: 3.1 hours

Darks: ~9

Bias: ~15

Avg. Moon age: 2.75 days

Avg. Moon phase: 8.34%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 2844269

RA center: 303.098 degrees

DEC center: 38.466 degrees

Pixel scale: 3.432 arcsec/pixel

Orientation: 178.281 degrees

Field radius: 1.502 degrees

Data source: Traveller

Description

Taken when it was cloudy and patchy.

Comments

Author

bobfang
bobfang
License: Attribution Creative Commons
650
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Crescent Nebula, 





    
        

            bobfang