M51 Whirlpool Galaxy

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Left image, March 3, 2005; Right images, July 7, 2005.  Note new star in center of frame of right hand images.  This is Supernova 2005cs in M51, discovered June 28, 2005.  For more information on SN2005cs, click on right side image above, or HERE.

M51,  The Whirlpool Galaxy Date:  March 3, 2005 Camera: SBIG ST10XE Filters:  AstroDon L,R,G,B (CFW8A filter wheel) Camera control software:  CCDSoft Focal reducer:  AP 0.67 Guiding/adaptive optics:  internal autoguider Camera temperature:  -20C Image Acquisition Software:  None Telescope:  RCOS 16 Carbon Tube, Aries optics, F9 Telescope control software:  RCOS TCC, TheSky6 Mount:  Paramount ME (MKS 4000) Subexposures:    Luminance:  5 x 8 minute, binned 2x2    RGB:  5 x 2 minute, binned 3x3 Conditions: Average. Processing: CDSoft, CCDSharp (Luminance only),  MaximDL, Registar, Sigma, Photoshop CS.