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Some more Virgo galaxies. Taken with a 80mm refractor, 0.8 focal reducer and Canon EOS 450. 25 x 40 sec exps stacked in DSStacker. They are rather small so I have labelled them – hope I’ve got them right. David

Some more Virgo galaxies. Taken with a 80mm refractor, 0.8 focal reducer and Canon EOS 450. 25 x 40 sec exps stacked in DSStacker. They are rather small so I have labelled them – hope I’ve got them right. David

From: Wycombe Astronomical Society Members (Tue 13 Apr 2010 03:27:02 AM CDT)
As you say a lot of galaxies. Some of them just look like stars. A nice collection David. Do you use bulb on the Canon? Are some of the exposures dark frames?

Jan
From: Wycombe Astronomical Society Members (Tue 13 Apr 2010 10:50:58 AM CDT)
I’ve given up using dark frames Jan. They don’t seem seem to make much difference. The camera was set to ‘bulb’ and the exposures made using a Hahnel Gigo Pro wireless remote control. A nice gadget that works at a distance of up to 100m.

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