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This is my image of NGC 891, a spiral galaxy in Andromeda; the galaxy is seen from an edge perspective.  I captued this image using a C-11 SCT with an F/6.3 Reducer and an On Axis Guider (ONAG) onto which I connected my ATIK 460EX main imaging camera and Lodestar X2 guide camera.

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Below is a summary of the length of exposure times and dates of capture for each of the color filters I used:

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Red = 120 mins (8x15mins) on Mar 16 2017

Green = 120 mins (8x15mins) on Mar 22 2017

Blue = 75 mins (5x15mins) on Mar 23 2017

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Total = 315 minutes (5 hours & 15 minutes)

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NGC 891 is 123,000 light years in diameter which is about 20% greater than our Milky Way galaxy.

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