M51 - Whirlpool Galaxy / H-Alpha
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Object:  M51 - Whirlpool Galaxy: A spiral galaxy located in the constellation Canes Venatici. The estimated distance is
approximately 37 million light years.  M51 has a visual brightness of 8.4 (mag.)

Telelscope: LX200 10" @ f/4

Camera:  Starlight Xpress MX916, w/ SXV upgrade

Guiding:  SXV guider through AT1010 @ f/6

Exposures:  Lum = 25 X 240s (100 minutes)

Filters:  Schuler  Luminance

Comments:  Taken from home. Captured and processed with Astroart 3.0. Layers in Photoshop 7.0.  My second attempt at M51.  I
tried a few new techniques with suggestions from the experts at the Starlight Xpress Yahoo Group.  Will be adding RGB soon. Tried
without the IDAS Filter.  The image scale was 2.33 arcsec/pix.  The wind was a little trouble but died down toward the end of the
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