Celestial hemisphere:  Northern  ·  Constellation: Canes Venatici (CVn)  ·  Contains:  IC 4277  ·  M 51  ·  NGC 5194  ·  NGC 5195  ·  Whirlpool Galaxy
M51, Whirpool Galaxy, 



    
        

            pemag
M51, Whirpool Galaxy
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M51, Whirpool Galaxy

M51, Whirpool Galaxy, 



    
        

            pemag
M51, Whirpool Galaxy
Powered byPixInsight

M51, Whirpool Galaxy

Acquisition details

Dates:
April 13, 2020 ·  April 16, 2020 ·  April 17, 2020
Frames:
Optolong L-Pro 1.25": 105×45(1h 18′ 45″) (gain: 139.00) -15°C bin 1×1
Optolong L-Pro 1.25": 65×60(1h 5′) (gain: 139.00) -15°C bin 1×1
ZWO Blue 1.25": 66×45(49′ 30″) (gain: 139.00) -15°C bin 1×1
ZWO Green 1.25": 61×45(45′ 45″) (gain: 139.00) -15°C bin 1×1
ZWO H-alpha 7nm 1.25": 31×180(1h 33′) (gain: 139.00) -15°C bin 1×1
ZWO Red 1.25": 77×45(57′ 45″) (gain: 139.00) -15°C bin 1×1
Integration:
6h 29′ 45″
Darks:
80
Flats:
100
Bias:
100
Avg. Moon age:
22.93 days
Avg. Moon phase:
41.98%
Bortle Dark-Sky Scale:
8.00

Basic astrometry details

Astrometry.net job: 3532005

RA center: 13h30m46s.8

DEC center: +47°1120

Pixel scale: 0.635 arcsec/pixel

Orientation: 23.664 degrees

Field radius: 0.427 degrees

Resolution: 3855x2930

File size: 419.1 KB

Locations: Home, Athens, Attiki, Greece

Data source: Backyard

Comments

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Histogram

M51, Whirpool Galaxy, 



    
        

            pemag