Supernovae 2012A in NGC 3239

This page is devoted to information on Supernova 2012A in NGC 3239.   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 links web page.

image Discovered by B. Moore, Jack Newton, and Tim Puckett (USA).   The host galaxy is sometimes called the Loony Galaxy.   This one a Type IIP, the first one to be classified in 2012.   We have a Photometry reference image made by Odd Trondal.   This supernova is in the Constellation Leo.

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
P. Michaud 2006/0520.1CProgenitor, Gemini
Tim Puckett 2012/01/07.387CDiscovery
Federica Luppi and Luca Buzzi 2012/01/09.05413.9C
T. Yusa 2012/01/09.18214.4C
Robert Koff 2012/01/09.51113.8C
Joseph Brimacombe 2012/01/09.72313.1IR
Massimiliano Martignoni 2012/01/10.07113.7V
JM Llapasset 2012/01/10.08413.9CR
JM Llapasset 2012/01/10.09213.8Ic
JM Llapasset 2012/01/10.09614.0Rc
JM Llapasset 2012/01/10.09914.0V
JM Llapasset 2012/01/10.10514.2B
Stan Howerton 2012/01/10.12414.0C
Joseph Brimacombe 2012/01/10.42714.1IR
Mantero Andrea 2012/01/10.945C
Kate Kay 2012/01/11C
Massimiliano Martignoni 2012/01/12.04913.6V
D. Osip and P. Palunas 2012/01/12.313.42KMagellan
Paolo Corelli 2012/01/13.95114.0mV
Massimiliano Martignoni 2012/01/14.13213.6V
JM Llapasset 2012/01/14.18113.9CR
Stan Howerton 2012/01/14.19914.0C
Guy Hurst 2012/01/14.456C
Enrico Colzani 2012/01/14C
Paul Mortfield 2012/01/14.587C
Giancarlo Cortini 2012/01/14.9513.6C
Joseph Brimacombe 2012/01/15.51714.3IRcolor
Amar Sharma 2012/01/15.729C
Frank J Melillo 2012/01/16.27113.72C
Tim Streagle 2012/01/16Ccolor
Nick James 2012/01/16.964C mirror
Klaus Kretzschmar 2012/01/16.979C
Aurelio Grillo 2012/01/17.913C
Adolfo San Segundo 2012/01/18.05713.66CR
JM Llapasset 2012/01/18.22013.9CR
Stephen M. Brincat 2012/01/19.855C
Diego Rodriguez 2012/01/21.98413.5CR
Emile Capella 2012/01/24.1713.91CR
Salomon Ibarra 2012/01/13.5C
Massimiliano Martignoni 2012/01/26.11013.7V
JM Llapasset 2012/01/26.15913.9CR
Massimiliano Martignoni 2012/01/27.06213.7V
William Wietoff 2012/01/27.318C
Stan Howerton 2012/01/28.24614.0C
Rui Branco 2012/01/29.96814.1C
Frank J. Melillo 2012/02/05C
J. Carrillo 2012/02/12.98113.8cR
Mogens Zachariasen 2012/02/15.935C
Massimiliano Martignoni 2012/02/16.00714.0V
Giancarlo Cortini 2012/02/17.9014.1C
Marc Deldem 2012/02/17.95114.1CR
JM Llapasset 2012/02/18.05214.1CR
Massimiliano Martignoni 2012/02/18.07314.0V
Rui Branco 2012/02/18.92014.5C
Juanjo González 2012/02/19.05113.9R
William Wiethoff 2012/02/19.303C
Massimiliano Martignoni 2012/02/22.00014.1V
Stan Howerton 2012/02/22.23014.3V
Massimiliano Martignoni 2012/02/23.06414.1V
JM Llapasset 2012/02/24.14714.1CR
Massimiliano Martignoni 2012/02/24.94614.1V
Rafael Ferrando 2012/02/24.95114.1CR
Fabio Briganti 2012/02/2614.4C
Christian Buil 2012/02/26.9C
JM Llapasset 2012/02/29.93314.2CR
Massimiliano Martignoni 2012/03/03.03614.2V
Massimiliano Martignoni 2012/03/10.00414.3V
Ron Arbour 2012/03/11.90414.7V
JM Llapasset 2012/03/12.83114.3:CR
Enrico Prosperi 2012/03/13.91314.1CR
Gérard Arlic 2012/03/15.92414.5CR
Enrico Prosperi 2012/03/16.90114.1CR
Juanjo González 2012/03/18.94914.2R
Enrico Prosperi 2012/03/19.89514.1CR
Massimiliano Martignoni 2012/03/21.90614.4V
Adrian Sonka 2012/03/21.986314.919V
JM Llapasset 2012/03/22.87514.5CR
Adrian Sonka 2012/03/23.91714.6V
Massimiliano Martignoni 2012/03/26.88314.5V
Massimiliano Martignoni 2012/03/29.79014.5V
JM Llapasset 2012/03/31.81314.6CR
Adrian Sonka 2012/04/02.78314.9V
Marc Serrau 2012/04/06.88615.2CR
Adrian Sonka 2012/04/07.80515.4V
JM Llapasset 2012/04/09.80614.9CR
Adrian Sonka 2012/04/19.78016.1V
Stan Howerton 2012/04/21.18715.6C
William Wiethoff 2012/04/21.22115.17IR
Adrian Sonka 2012/04/21.84716.5V
William Wiethoff 2012/04/23.277IR
Rafael Benavides 2012/04/24.93115.1CR
JM Llapasset 2012/04/26.83416.0:CR
Enrico Prosperi 2012/04/26.86216.3CR
Adrian Sonka 2012/04/27.88316.9CR
JM Llapasset 2012/05/09.84416.5:CR
Giancarlo Cortini 2012/05/10.9516.5C
Enrico Prosperi 2012/05/11.85116.7CR
Enrico Prosperi 2012/05/17.84916.6CR

Light curves and Spectra:

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David Bishop