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Contains:  M 37, NGC 2099
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Comet 21P/Giacobini–Zinner meets M37 at perihelion, 





    
        

            alexbb
Comet 21P/Giacobini–Zinner meets M37 at perihelion

Comet 21P/Giacobini–Zinner meets M37 at perihelion

Technical card

Resolution: 1857x1533

Dates:Sept. 10, 2018

Frames:
ZWO B 1.25": 30x60" (gain: 76.00) -15C bin 1x1
ZWO G 1.25": 30x60" (gain: 76.00) -15C bin 1x1
ZWO L 1.25": 30x60" (gain: 76.00) -15C bin 1x1
ZWO R 1.25": 30x60" (gain: 76.00) -15C bin 1x1

Integration: 2.0 hours

Avg. Moon age: 0.86 days

Avg. Moon phase: 0.83%

Bortle Dark-Sky Scale: 7.00

Astrometry.net job: 2246260

RA center: 87.807 degrees

DEC center: 32.299 degrees

Pixel scale: 2.663 arcsec/pixel

Orientation: 269.815 degrees

Field radius: 0.891 degrees

Data source: Backyard

Description

Comet 21P/Giacobini–Zinner meets open cluster M37 at perihelion on 2018-09-11 morning

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alexbb
alexbb
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Comet 21P/Giacobini–Zinner meets M37 at perihelion, 





    
        

            alexbb