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William Shaheen | all galleries >> Astronomy - Astronomical objects, images and astronomy related projects >> TEC APO 140 and the SBIG ST-8300M > Minor planet Vesta 23-Feb-2010
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Minor planet Vesta 23-Feb-2010

16 - 90 second frames taken 10 minutes apart with the SBIG ST-8300M (monochrome) CCD camera at -20C. Baader 2" UV/IR filter. Telescope configuration: TEC-140 (980mm, f/7) with the AP 27TVPH .75x focal reducer, yielding 806mm, f/5.76 and an image scale of 1.38 arc-seconds/pixel. Mount: Losmandy G11 w/Gemini. Focused using a Bahtinov focus mask. Post processing: 0 dark frames; normalized, aligned and DDP applied in ImagesPlus 3.75 (Auto Image Set Processing). Images cropped from original of 3352 x 2532 to 1024 x 768 then converted to GIF with Ulead GIF Animator 2.0.

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