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M51 on a hot night, Dan Kordella

M51 on a hot night

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M51 on a hot night, Dan Kordella

M51 on a hot night

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Description

My first experience with really warm night-time temperatures (~ 75 deg F). I kept exposures short, and shot lots (90 lights), but still have a distinct thermal signal, especially in the bottom left of the frame. I ran gradient exterminator and Noel Carbonni's astronomy tools noise reduction feature, and also dithered every other light frame.

Still, I'm happy with the color and detail that did not come out, especially given the short exposure times. I will need to look into cooling my camera at some point, though. It's going to be a long summer...

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    M51 on a hot night, Dan Kordella
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M51 on a hot night, Dan Kordella

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