M 101
The Pinwheel Galaxy
Imager:  Bob Austin

Imaged Date: 

 

5/16/2009

Object Information:

 



Messier 101 (M101, NGC 5457) was discovered by Pierre Méchain on March 27, 1781, and added as one of the last entries in Charles Messier's catalog. It was one of the first "spiral nebula" identified as such, in 1851 by William Parsons, the third Earl of Rosse.

Courtesy http://messier.obspm.fr/m/m101.html


Imaged at: 

 

Barking Pumpkin Observatory, Tierra del Sol, CA

Equipment:

 

Optics - Meade 10" f/6.3 LX200 Classic @ f/5.6
Mount - Fork with Ulti-Wedge
Camera - SBIG ST-2000XM
Lense - Meade f/6.3 focal reducer/flattener

Exposure Information:

 

L-4 X 900sec, R-6 X 900sec, GB-4 X 900sec

Camera Control Software:

 

Automated with CCDCommander

Image Processing Software:

 

 

 Processed with Photoshop CS3

Barking Pumpkin Observatory

 


Member : Comments : Date :
Jeff Lunglhofer   Bob. . .WOW. . .probably the best shot I've seen you post here.
  5/19/2009






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