M101 : the Pinwheel Galaxy

Photographs by Andy Strappazzon

 

 


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Messier Number:
M101


NGC Number:
NGC 5457


Common Name:
EN : Pinwheel Galaxy
FR : Galaxie du Moulinet


Constellation:
Grande Ourse


Distance from Earth:
22.8 million light-years


Visual Magnitude:
7.9


Size:
22'9


Rate:

Description:
Messier 101 The Pinwheel Galaxy (also known as Messier 101, M101 or NGC 5457) is a face-on spiral galaxy distanced 21 million light-years (six megaparsecs)[3] away from Earth in the constellation Ursa Major. Discovered by Pierre Méchain on March 27, 1781, it was communicated to Charles Messier who verified its position for inclusion in the Messier Catalogue as one of its final entries. (Wikipedia)

 

Date Taken:
16 May 2020

Location:
Belgium - Ramillies

Weather:
Temp = 5�C

Equipment:
Skywatcher EQ6R-Pro
Skywatcher Esprit 120
Images aquired with: 
Sony Alpha 7sa

Exposure Specs:
Lights: 230x30 sec @ 3200ISO
Darks: none
Flats: 40
Offsets: none

Total Exposure: 115min

Processed with:
Deepskystacker
Lightroom

 

Copyright (c) 2020, Andy Strappazzon. All rights reserved.