Supernova 2009an in NGC 4332

This page is devoted to information on Supernova 2009an in NGC 4332.   Basic information on this SN, including the last reported brightness, on this Supernova can be found on the main page.  Information on the original web pages for many of these images can be found on the updates and links web pages.

image Discovered by Giancarlo Cortini and Stefano Antonellini (Italy); Mikko Paivinen and Petri Kehusmaa (Finland).   We have a DSS Photometry reference image made by Odd Trondal.  Icon generated from the Itagaki image.   This supernova is in the Constellation Draco.

The following is a list of images of this SN, in chronological order. Click on the name in the "Image Credit" column to see the image. Times and dates are in UT unless otherwise noted. If you know of any others, please tell me!
Image CreditDateMagFilterComments
Paivinen and Kehusmaa 2009/02/26.0615.6CDiscovery
Cortini and Antonellini 2009/02/27.9315.4CDiscovery
Markku Nissinen 2009/02/28.2915.4RConfirmation
Stefano Moretti 2009/02/28.416CConfirmation
Koichi Itagaki 2009/02/28.583CConfirmation
Stefano Moretti 2009/02/28.8Ccolor
William Wells 2009/03/01.281C
Joseph Brimacombe 2009/03/01.315.4C
William Wiethoff 2009/03/02.164C
Stan Howerton 2009/03/02.27515.2V
Joseph Brimacombe 2009/03/02.4515.3Ccolor
Sergey Nazarov 2009/03/03.608C
Andy Cason 2009/03/04.098C
Jordi Camarasa 2009/03/04.975C
Sergey Nazarov 2009/03/04.980C
Jordi Camarasa 2009/03/06.853C
Enrico Prosperi 2009/03/08.01814.1C
Diego Rodríguez 2009/03/08.91014.7CR
Enrico Prosperi 2009/03/09.93314.1C
Enrico Prosperi 2009/03/11.16314.2C
Faustino Garcia 2009/03/12.97614.71CR
Pedro Re 2009/03/13.99214.47C
JM Llapasset 2009/03/15.84214.8CR
JM Llapasset 2009/03/15.85414.9R
JM Llapasset 2009/03/15.85814.7V
JM Llapasset 2009/03/15.86715.1B
Giancarlo Cortini 2009/03/16.9514.9C
Martin Nicholson 2009/03/16.33914.75V
JM Llapasset 2009/03/16.82214.9CR
JM Llapasset 2009/03/16.83015.0R
JM Llapasset 2009/03/16.83414.8V
JM Llapasset 2009/03/16.84315.1B
Joel Nicolas 2009/03/16.88614.9CR
Stan Howerton 2009/03/17.16414.5V
John N. Gretchen III 2009/03/17.214.7CR color version
JM Llapasset 2009/03/17.81915.0CR
JM Llapasset 2009/03/17.82315.1R
JM Llapasset 2009/03/17.82914.9V
JM Llapasset 2009/03/17.84015.2B
JM Llapasset 2009/03/18.82515.1CR
JM Llapasset 2009/03/18.82915.1R
JM Llapasset 2009/03/18.83514.9V
JM Llapasset 2009/03/18.84615.3B
Darkside Obs 2009/03/19.972C
Rodrigo Losada 2009/03/19.97915.4CR
Diego Rodríguez 2009/03/20.89815.10CR
Pedro Ré 2009/03/20.94915.23C
George Potter 2009/03/22C
JM Llapasset 2009/03/22.80115.3CR
JM Llapasset 2009/03/22.80115.4R
JM Llapasset 2009/03/22.81115.1V
JM Llapasset 2009/03/22.82215.7B
Pedro Ré 2009/03/27.91115.57C
Joel Nicolas 2009/03/27.91315.4CR
William Wiethoff 2009/03/30.204C
Joel Nicolas 2009/03/30.99415.5CR
Stan Howerton 2009/04/03.25916.3C
Joel Nicolas 2009/04/02.90715.8CR
Michael Hauss 2009/04/09.08615.9CR
Giancarlo Cortini 2009/04/14.817.7C
Joel Nicolas 2009/04/14.85016.5CR
Joel Nicolas 2009/04/22.97316.8CR
Cortini Gaincarlo 2009/04/24.9016.7C
Pedro Ré 2009/04/24.92217.23C
Pedro Ré 2009/04/30.93517.4C
Pedro Ré 2009/05/03.01517.2C
Joel Nicolas 2009/05/01.86317.1CR
Joel Nicolas 2009/05/26.90517.9CR

If you have observations of this Supernova, please send them to SNWeb. Use this data query to see what information has been reported so far.
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David Bishop