Petri Kehusmaa Astroblog » Star Clusters http://www.kehusmaa-astro.com All pictures Copyright by Petri Kehusmaa Fri, 25 Nov 2011 15:32:11 +0000 en hourly 1 http://wordpress.org/?v=3.0.4 Season End, M13 LLRGB 3 Hours http://www.kehusmaa-astro.com/2009/04/21/season-end-m13-llrgb-3-hours http://www.kehusmaa-astro.com/2009/04/21/season-end-m13-llrgb-3-hours#comments Tue, 21 Apr 2009 11:21:43 +0000 Petri Kehusmaa http://www.kehusmaa-astro.com/2009/04/21/season-end-m13-llrgb-3-hours This is one of my last targets for every imaging season. This year I’m imaging this great cluster with RC for the first time! Total exposure time is 3 hours (details in gallery). Seeing was pretty good but I managed to put couple of bad frames into luminance stack and therefore some of the stars look like triangle.

M13
]]> http://www.kehusmaa-astro.com/2009/04/21/season-end-m13-llrgb-3-hours/feed 0 M45 http://www.kehusmaa-astro.com/2008/01/12/m45 http://www.kehusmaa-astro.com/2008/01/12/m45#comments Sat, 12 Jan 2008 16:14:55 +0000 Petri Kehusmaa http://www.kehusmaa-astro.com/2008/01/12/m45/ M45

Finally I got some time to process some of the images taken on 4.-6.01.2008, This is open cluster M45 and exposure time is 5 hours total (LRGB=110:60:50:80).

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