photo sharing and upload picture albums photo forums search pictures popular photos photography help login
William Shaheen | all galleries >> Astronomy - Astronomical objects, images and astronomy related projects >> Astro Images by Subject > M96 - Spiral galaxy in Leo 23-Jan-2015
previous | next

M96 - Spiral galaxy in Leo 23-Jan-2015

Distance 31.0 +/- 3.0 mly

Telescope configuration: Celestron EdgeHD 1400 with the Celestron 0.7x focal reducer (fl=2737, f/7.7), unbinned, yielding an image scale of 0.40 arc-seconds/pixel.
Camera: SBIG STF-8300M (monochrome) CCD camera. 7 - 10 minute exposures at -20C and no filter. Image capture using TSXPro/Camera Add-on.
Mount: Software Bisque Paramount MX with PEC and ProTrack enabled. Autoguided with an SBIG Sti autoguider, a Celestron OAG (off-axis guider) and a Starlight Xpress AOLF (Adaptive Optics Large Format) device using PHD2 autoguiding software.
Post processing: Calibration, alignment, stacking in ImagesPlus 6.0 using 9 dark frames, no bias frames and 9 flat frames; DDP, curves, Adaptive Richarson-Lucey deconvolution in ImagesPlus 6.0, 13x13 by 15 passes; Unsharp mask in ThumbsPlus, cropped and resized to 50%.

20150123_M96_Comb-IPddpcrvarl-TPcrpx50pct.tif


other sizes: small medium large original auto
share