Date: 9/4/2019
Description: HCG 92 also called Stephan's Quintet, one galaxy of the sixsome, NGC 7320, is not part of the HCG but is a foreground galaxy in front of the five galaxies in the HCG. When discovered, two of the galaxies in the grouping were considered to be one galaxy, NGC 7318. [Ref: WikiPedia]
Sky Conditions: Thin high clouds most of the nights with half to 3/4 moon, FWHM: 2.6 arc sec/pixel
Imaging: Exposure: 60min luminous (6x600sec) at 2x2bin and 60 min RGB each (6 x 600sec/ea.) at 2x2 bin using RGB filters
Guiding: ProTrac assisted guiding - 10 sec guide exposure
Equipment:
FLI 8300 CCD (LRGB filters), cooled to -30deg C
AT12RC at F8
Starlight Focuser
NOAG with StarlightXpress Lodestar II guide camera
Paramount ME Mount
SW:
SkyX, PixIsight - calibration with darks, flats, bias and color correction
Observatory site : Northern VA