M11 : Wild Duck Cluster

Photographs by Andy Strappazzon

 

 


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Messier Number:
M11


NGC Number:
NGC 6705


Common Name:
Wild Duck Cluster


Constellation:
Scutum


Distance from Earth:
6200 light years


Visual Magnitude:
6.3


Size:
14'


Rate:

Description:
The Wild Duck Cluster (also known as Messier 11, or NGC 6705) is an open cluster in the constellation Scutum. It was discovered by Gottfried Kirch in 1681. Charles Messier included it in his catalogue in 1764. The Wild Duck Cluster is one of the richest and most compact of the known open clusters, containing about 2900 stars. Its age has been estimated to about 220 million years. Its name derives from the brighter stars forming a triangle which could represent a flying flock of ducks. (Wikipedia)

 

Date Taken:
12 October 2010


Location:
Belgium - Biesmerée

Weather:
Temp = +5°C
SQM = 20.5


Equipment:
Skywatcher NEq6 Pro
Skywatcher ED80
Celestron Focal Reducer f6.3
Autoguided with:
Antares / Orion Sharshoot Autoguider / PhdGuiding
Images aquired with:

Canon 350D unfiltred + Lps Idas


Exposure Specs:
Lights: 20 x 180 sec @ 800ISO
Darks: 7 x 180 sec
Flats: 10 x 1/6 sec
Offsets: 20

Total Exposure: 1h


Processed with:
Deepskystacker
Adobe Photoshop CS 2

 

Copyright © 2011, Andy Strappazzon. All rights reserved.