Starry Vistas by Don J. McCrady
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M101

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M101 is a very large face-on spiral, and is a fine sight in a large aperture telescope at a dark site. It is approximately 27 million light years from our galaxy in the direction of Ursa Major. Many of the bright knots have there own designation in the NGC catalog.

Takahashi Sky 90 at f/4.5
SBIG STL-4020M (self-guided)
Takahashi EM-200
Hutech LPS Filter
Luminance: 80 minutes (5 minute subexposures)
RGB: 35 minutes each (5 minute subexposures)
Processed in Maxim/DL and Photoshop
Noel Carboni's Astronomy Tools Actions