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Old 28-02-2011, 05:40 PM
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gregbradley
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Join Date: Feb 2006
Location: Sydney
Posts: 18,183
Hey its not too bad a shot. I am interested in the 2nd one. I took a shot of the Tarantula a few weeks ago with the CDK17 and my colouration looks the same as yours. I thought perhaps I'd made a mistake in processing as the colours don't look so reddy/brown in a lot of shots posted.

One tip. If the seeing is poorer you can adjust the min/max move so the guider does not act if a too large an error is reported that was due to a blip in the seeing.

So only let it make a correction if the error is more in the usual band and not if it is outside that band. Apart from that seeing is seeing and not a lot can be done about it beyond AO optics.

Greg.
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