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Old 15-12-2015, 08:27 PM
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alpal is offline
Join Date: Jan 2012
Location: Melbourne
Posts: 2,852
Here is a picture showing the difference in binning.
I found that I had to bin at 2x2 & expose for 900 seconds to get any of the spiral arms to show up on NGC 300.
I use a KAF8300 sensor with a 10" f4 Newt.

The final LRGB picture is here:

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Click for full-size image (Binning comparison NGC 300_3.jpg)
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