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Sunday, December 16, 2012

 

Comet C/2012 V4 in STEREO 10-11 December 2012

Comet  C/2012 V4 imaged in the STEREO H1B instrument between December 10 and 12, 21 images stacked in ImageJ. Click to embiggen.

 Comet C/2012 V4 is a recently discovered comet that has been tentatively identified with a return of the comet D/1827 M1 (Pons-Gambart). It is very low in the sky, and difficult to image with earth bound telescopes. It crossed into the STEREO H1B imager on December 10, and exited shortly after December 12.

I combined images from the 10 and 11 to make the animation below. CometAl thinks its magnitude is around 4, see his images and animation here.

See my previous post with the comet in H2B.


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