Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  M 101  ·  M101  ·  NGC 5422  ·  NGC 5457  ·  NGC 5474  ·  NGC 5485  ·  NGC5422  ·  NGC5443  ·  NGC5447  ·  NGC5449  ·  NGC5450  ·  NGC5451  ·  NGC5453  ·  NGC5455  ·  NGC5461  ·  NGC5462  ·  NGC5471  ·  NGC5473  ·  NGC5474  ·  NGC5475  ·  NGC5477  ·  NGC5484  ·  NGC5485  ·  NGC5486  ·  Pinwheel galaxy
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M101, 



    
        

            Joey Troy
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M101

Getting plate-solving status, please wait...
M101, 



    
        

            Joey Troy
Powered byPixInsight

M101

Technical card

Imaging telescopes or lenses: William Optics Redcat 51

Imaging cameras: ZWO ASI183MM Pro

Mounts: Sky-Watcher EQM 35 Pro

Guiding cameras: ZWO ASI290MM Mini

Filters: Astronomik 1.25" 6nm Ha  ·  Astronomik Deep-Sky Blue - 1.25"  ·  Astronomik Deep-Sky Green - 1.25"  ·  Astronomik Deep-Sky Red - 1.25"  ·  Astronomik L3 UV-IR Blocking Filter- 1.25"

Accessory: ZWO EAF Electronic Auto Focuser  ·  ZWO Off Axis Guider  ·  ZWO 1.25" Helical Focuser  ·  ZWO ASI Air Pro


Dates:May 5, 2021May 9, 2021May 10, 2021

Frames:
Astronomik 1.25" 6nm Ha: 10x180" (30') (gain: 120.00) -10C
Astronomik Deep-Sky Blue - 1.25": 10x180" (30') (gain: 120.00) -10C
Astronomik Deep-Sky Green - 1.25": 10x180" (30') (gain: 120.00) -10C
Astronomik Deep-Sky Red - 1.25": 10x180" (30') (gain: 120.00) -10C
Astronomik L3 UV-IR Blocking Filter- 1.25": 46x180" (2h 18') (gain: 120.00) -10C

Integration: 4h 18'

Darks: ~10

Flats: ~10

Bias: ~10

Avg. Moon age: 26.54 days

Avg. Moon phase: 13.07%

Bortle Dark-Sky Scale: 3.00


Astrometry.net job: 4490164

RA center: 14h 3' 11"

DEC center: +54° 21' 20"

Pixel scale: 2.003 arcsec/pixel

Orientation: 88.839 degrees

Field radius: 1.753 degrees


Resolution: 5331x3357

Data source: Backyard

Description

The Pinwheel Galaxy (also known as Messier 101, M101, or NGC 5457) is a face-on spiral galaxy 21 million light-years (6.4 megaparsecs) away from Earth in the constellation Ursa Major. It was discovered by Pierre Méchain in 1781 and was communicated that year to Charles Messier, who verified its position for inclusion in the Messier Catalogue as one of its final entries.

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M101, 



    
        

            Joey Troy