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Captured by
John Greenlee

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Comet and Ring image

Comet and Ring


Acquisition Details
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Description

The image data: Object: Comet 73P/Schwassmann-Wachmann 3 meets the Ring Nebula (Messier 57) Date + Time: May 8, 2006 / 0:00 - 3:02 UT Comet position: 3:02 UT Location: Observatory Welzheim, near Stuttgart, Germany Telescope: 0.9 meter Cassegrain reflector @ f/6.7 Tools: Lumicon Giant Easy Guider Camera: SBIG STL 11000M with SBIG RGB filterset Exposure Time(s): Comet: Luminance: 20x 1 minute (2x2 Binning) RGB color: 4x 1 minute (3x3 Binning) each color Stars/Nebula: RGB color: 5x 5 minutes (2x2 Binning) each color Guiding: No guiding, but mount ran in Comet tracking mode (star tracking for the background) Processing Details: MaxIm DL, PhotoShop, Notes: Co-Observer: Steffen Brückner The galaxy IC 1296 (15.1 mag) is clearly visible between the comet head and the Ring Nebula. Stefan http://www.astromeeting.de