Friday, September 18, 2009

September 18, 2009

Last night offered a clear, dark sky. I took the opportunity to collect some more sub-exposures of M31, the Andromeda Galaxy. I captured 20, 300-second sub-exposures, of which 14 proved acceptable. I used Maxim to add last night's 14 subs to Sunday night's 20 sub-exposures to create an image compused of 34, 300-second sub-exposures with a total exposure time of two hours and fifty minutes.

The additional exposure time greatly enhances M31's swirling dustlanes and star clouds. I'm pleased with this image and probably won't return to this object for some time.

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