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M27-Ha OIII Bi colour narrow band image 2007/07/31 - Full Moon Fred Stevenson Andalsnes Observatory

M27-Ha OIII Bi colour narrow band image
2007/07/31 - Full Moon
Fred Stevenson
Andalsnes Observatory

From: Chris (Fri 03 Aug 2007 02:55:17 PM CDT)
Hi Fred, Can you say a bit more about the filters, exposure and processing you used. It is with the DSI I suppose, not the colour one with narrow band is it?
I've just got my CCD camera going and will be looking for ideas I can steal :-)
From: Fred (Sat 04 Aug 2007 01:05:27 PM CDT)
DSI Pro camera B&W) - 2 images of approximately 15 minutes each taken through Astronomic Hydrogen Alpha filter and Astronomic Oxygen III filter. Processed in Photoshop - synthesised green layer.

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