M61  and Companion NGC 4301
Date:  May 10, 2005

Camera: SBIG STL6303E
Filters:  AstroDon L,R,G,B (STL internal filter wheel)
Camera control software:  CCDSoft
Focal reducer:  None
Guiding/adaptive optics:  internal autoguider
Camera temperature:  -20C
Image Acquisition Software:  CCDAutoPilot2 was used for certain aspects

Telescope:  RCOS 16 Carbon Tube, Aries optics, F9
Telescope control software:  RCOS TCC, TheSky6
Mount:  Paramount ME (MKS 4000)

Subexposures:
Luminance:  16 x 5 minute, binned 1x1
RGB:  7 x 3 minute, binned 3x3

Conditions: Very high humidity.
Processing: CDSoft, CCDSharp (Luminance only),  MiraAP, MaximDL,
Registar, Sigma, Photoshop CS2.
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