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M33
 
© 2012 Ian Russell, CC-BY-NC

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This is M33 - the Triangulum Galaxy taken on bonfire night, 2012. It was a bit misty (maybe thanks to the fireworks!) and so the subs were rather noisy.

This is 5 1/2 hours of Lum data in 10 minute subs, TS90 APO triplet f/6.7 taken with an Atik 460ex, guided with IMG0H and PHD.

Stacked and stretched in AstroArt 5.0 with application of a low pass filter to try to treat the background noise.

Copyright

© 2012 Ian Russell, CC-BY-NC
From the album:

Deep Sky

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