IC 434
Date: 12/15/2017
Description: IC 434 is a bright emission nebula in the constellation Orion. It was discovered on February 1, 1786 by William Herschel. The Horsehead Nebula is a dark nebula silhouetted against it. [Ref: WikiPedia]
Sky Conditions: Clear skies no moon, FWHM: 2.2 arc sec/pixel
Imaging: Exposure: 2 hou2r RGB each (12 x 300sec/ea.) at 2x2 bin using RGB filters
Guiding: Self guiding at 6 sec guide rate at 2x2 bin using NOAG
Equipment:
SBIG STL1100 CCD (LRGB filters), cooled to -35deg C
RCOS 20” F8
NOAG with StarlightXpress Lodestar II guide camera Paramount ME II Mount
Software: FocusMax,, SkyX, PixIsight - calibration with darks, flats, bias and color correction
Observatory site : Kitt Peak, AZ