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.

Saturday, April 13, 2013

Sunday, March 17, 2013

130317 - PANSTARRS image gallery

Many thanks to the following sources:

Monday, March 11, 2013

Comet PANSTARRS C/2011 L4 presentation slides

Many thanks to the sources:

Discovery telescope - 2011 June 6