Markarian's Chain
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Telescope : Vixen VC200L Visac @6.4
Camera : Starlight Xpress SXVR H35 Full frame 1x1 bin @ -25 Celsius
Filters : Baader UHTC-2 , RGB
Mount : IOptron IEQ45 guiderate at 0.5x
Guiding : 70 mm Vixen guidingscope and Meade DSI 1 using PHD
Exposure : 45 min : (3 x 15 min) L , 2 x 5 min RGB , 7 Darks , 50 Bias and 6 L-Flats .
Capturing : Nebulosity 3
Processing : , CCD Stack and PS CS 4
Location : The Haque , Sterrenwacht WaVe
The Netherlands
Date : 13-5-2012
Conditions : 8 degrees celsius
Remarks: Against better judgement , I know LRGB is not possible in my hometown.
Still , I tried using a UHTC type 2 Filter and RGB.
There is no color to be found here !!!
Quite windy and had to delete 2 L-subframes due to guiding errors.