Note the barred spiral galaxy NGC3185 at bottom just to the right of center.

7 - 10 min. exposures with the SBIG STF-8300M.

Telescope configuration: Celestron EdgeHD 1400 with the Celestron 0.7x focal reducer (fl=2737, f/7.7), unbinned, yielding an image scale of 0.41 arc-seconds/pixel. Focused using an AstroZap Bahtinov focus mask.
Camera: SBIG STF-8300M (monochrome) CCD camera operating at -10C 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 5.0 using 5 dark frames, no bias frames and 9 flat frames; DDP in ImagesPlus 5.0. One pass of unsharp mask and resized to 50% in ThumbsPlus.


20141124_NGC3190_CombExcAvg2-IPddp-TPadj.jpg