Comet ISON C/2012 S1

Many thanks to the following sources:
http://stereo-ssc.nascom.nasa.gov/comet_ison/
http://en.wikipedia.org/wiki/International_Scientific_Optical_Network
http://science.nasa.gov/media/medialibrary/2013/11/24/ison_encke_nov19_22.gif
http://sohowww.nascom.nasa.gov/home.html
http://earthsky.org/space/best-photos-images-videos-of-comet-ison
http://www.cometpieces.at/index.php?Itemid=6

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.

Star formation in IC 2574 over the last 100 million years

With many thanks, I refer to:

Pasquali and 15 collaborators 2008

http://arxiv.org/abs/0808.0193

Asteroid capture study - Keck Institute for Space Studies - California Institute of Technology - Jet Propulsion Laboratory

http://www.kiss.caltech.edu/study/asteroid/

Final report at:

http://www.kiss.caltech.edu/study/asteroid/asteroid_final_report.pdf

Spectacular video of PANSTARRS and Coronal Mass Ejection, from STEREO B

130317 - PANSTARRS image gallery

Many thanks to the following sources:
http://www.dailymail.co.uk/news/article-2293709/PanSTARRS-comet-Incredible-images-blazing-comet-revealed.html
http://i.dailymail.co.uk/i/pix/2013/03/14/article-2293212-189F83FE000005DC-757_634x353.jpg
http://www.dailymail.co.uk/sciencetech/article-2292577/Breathtaking-new-pictures-comet-PanSTARRS-makes-dramatic-appearance-northern-skies.html
http://www.sott.net/article/259807-Is-Comet-Pan-Starrs-fragmenting
http://spaceweather.com/gallery/indiv_upload.php?upload_id=78702&PHPSESSID=cki3k03aaui0vbfrgaq124sff3
http://www.planetary.org/blogs/guest-blogs/2013/20130314-comet-panstarrs-stereo.html
http://astrobob.areavoices.com/2013/03/15/stereo-beams-back-stunning-new-panstarrs-pics/

Comet PANSTARRS C/2011 L4 presentation slides

Many thanks to the sources:
http://cosmiclog.nbcnews.com/_news/2013/03/11/17273389-seeing-comet-panstarrs-is-tricky-for-skywatchers-but-its-easy-online
http://pan-starrs.ifa.hawaii.edu/public/
http://en.wikipedia.org/wiki/File:Collision_d%27une_com%C3%A8te.jpg
http://pan-starrs.ifa.hawaii.edu/public/
http://www.aerith.net/comet/catalog/2011L4/2011L4.html
http://www.skyandtelescope.com/observing/highlights/Update-on-Comet-PanSTARRS-187930541.html
http://www.aerith.net/comet/catalog/2011L4/2011L4.html
http://remanzacco.blogspot.com/2012/09/new-update-on-comet-c2011-l4-panstarrs.html
http://arxiv.org/abs/1302.4621

Discovery telescope - 2011 June 6

Comet Lemmon C/2012 - Stunning lime green coma !

Sources:
http://apod.nasa.gov/apod/ap130207.html
http://www.aerith.net/comet/catalog/2012F6/2012F6.html
http://www.flickr.com/photos/46302893@N02/8473404726/
http://www.philhart.com/content/comet-lemmon-c2012-f6-february-2013