Updated: 6.29.02

M101 was the first image taken at the CFAS star party held on 3/14 to 3/17/02. It is a large, beautiful face on spiral that has generally low surface brightness and is located in the constellation of Ursa Major.

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Full sensitivity of the MX7C was achieved by using an auxilary guide camera on the piggybacked 80mm Stellarvue AT1010 refractor. Good S/N and strong color signal resulted from this. The 70 total minutes of integration represents the longest exposure I have performed with the MX7C and is equivalent to 140 minutes if Star2000 was employed for guiding.

Image info:

12"LX200 with a Milburn Wedge

Starlight Express

14x5 mins


Stacked and processed in Astroart

guided with a Mintron 12V1 on the 80mm


CFAS star party