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NGC4656 (left) and NGC4631 or The Whale Galaxy (right)
Info NGC4631: http://en.wikipedia.org/wiki/NGC_4631
Info NGC4656: http://en.wikipedia.org/wiki/NGC_4656_and_NGC_4657
Taken with a Takahashi TOA130 NFB with 67 Flattener and QSI583wsg with Astrodon E series Gen 2 filters.
Image scale of 1.1 arcsec/pixel.
Guided with a Mini Borg 50mm and SBIG STi.
AP1200 GTO Mount
Exposure time: Luminance: 120 mins, RGB: 80:80:80 mins with 10 mins subexposures.
Softwares: CCDAutopilot,Sky6 Pro,MaxIM DL,Focusmax, CCDNavigator, CCDStack and Photoshop CS2
Taken on March 28, 2012 in Jackson, Ohio