NGC 4945

NGC 4945

Date: 14.04.2009

Ambient conditions: 22°C, transparency 4/5, seeing 4/5
Location: Salvador, Brazil

Telescope: C 11 with Hyperstar
Mount: Skywatcher Eq 6 PRO guided through a
PowerSeeker 80mm F/9 and Starshoot Autoguider
Camera: SVX-H9C
Filter: IDAS LPS P2

Software: Nebulosity 2
FOV, Image scale: 40.8 x 54.6 arcmin, 2.35 arcs/pixel
Sub-exposures: 30 min (6 x 5min) light frames,
flats and bias , no darks

Calibration, stacking in Nebulosity 2,
DDP in IP 3.75,
curves, levels, digital flat in CS3,
noise reduction with Carbonis Actions,
green cast elimination with Pixinsight LE.

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