Thread: Ic 1871
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Old 15-10-2014, 06:17 PM
konstantinos75
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Join Date: Oct 2014
Location: Athens,Greece
Posts: 60
Ic 1871

IC 1871 is a faint emission nebula located in the constellation Cassiopeia. This nebula is part of a much larger structure called IC 1848 also known as the Embryo or Soul Nebula.

Technical details of attached image

Optics: Vixen ED81s @ f/5.2
Mount: HEQ5 synscan Pro
Guiding: ST-237 guide chip of SBIG ST2000XM
Camera: SBIG ST2000XM
Filter Wheel: SBIG CFW9
Filters: Baader Ha, Astronomik RGB
CCD Temperature: 0 degrees Celsius
Constellation: Cassiopeia
Date: 11-12 Oct, 2014
Location: Kifisia, Greece
Exposure
Red : 60 min (60x1 min)
Green : 60 min (60x1 min)
Blue : 60 min (60x1 min)
Ha: 200 min (20x10 min)
Binning: 1x1(R,G,B,Ha)
Total exposure 6.2 h
Calibration: Darks,Flats,Bias
Software: MaximDL, CCDstack, Photoshop

Dithering for Ha/R,G,B subexposures; All subframes calibrated in MaximDL; CCDIS register/normalize/median combine in CCDstack; produce RGB frame in CCDstack; HaRGB combine in Photoshop; Final touches in Photoshop.
Attached Thumbnails
Click for full-size image (IC-1871_HaRGB_publish.jpg)
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