M104 Sombrero Galaxy

Tuesday, November 26, 2013

Comet ISON C/2012 S1

Many thanks to the following sources:

Comet C/2012 S1 was discovered in September 2012 by Russian astronomers Vitali Nevski and Artyom Novichonok using data from the International Scientific Optical Network (ISON).

 SOHO LASCO C2 coronagraph below
SOHO LASCO C3 coronagraph below

Comets ISON, Encke, and solar wind - November 20-22 from STEREO A

SOHO LASCO C3 coronagraph

Below are images from STEREO B beacon data, very compressed and low resolution.