M51 : Whirlpool Galaxy

Photographs by Andy Strappazzon

 

 


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Messier Number:
M51


NGC Number:
NGC 5194


Common Name:
Canes Venatici


Constellation:
Ursa Major


Distance from Earth:
23 million light-years


Visual Magnitude:
9


Size:
11′.2 6′.9


Rate:

Description:
The Whirlpool Galaxy (also known as Messier 51a, M51a, or NGC 5194) is an interacting grand-design spiral galaxy located at a distance of approximately 23 million light-years in the constellation Canes Venatici. It is one of the most famous spiral galaxies in the sky.(Wikipedia)

 

Deepskystacker Live Results:

Score

FWHM

Star Number

Background %

 

Date Taken:
29 March 2009

Location:
Belgium  - Auvelais

Weather:
Temp = 6C

Equipment:
Skywatcher NEq6 Pro
Skywatcher ED80
Images aquired with: 
Canon 350D unfilterd
Guided with:
Orion Starshoot autoguider - 80/480 Antares - PHDguiding
Filter:
LPS IDAS

Exposure Specs:
Lights: 20x180 sec @ 800ISO
Darks: 10x180 sec
Flats: 15
Offsets: 46

Total Exposure: 60 min

Processed with:
Deepskystacker
Adobe Photoshop CS 2

 

Copyright 2009, Andy Strappazzon. All rights reserved.