Supernovae 2012cg in NGC 4424

This page is devoted to information on Supernova 2012cg in NGC 4424.   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 Lick Observatory Supernova Search (USA).   This one a Type Ia, found very young.   We have a Photometry reference image made by Odd Trondal.   This supernova is in the Constellation Virgo.

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
MASTER 2012/05/15.79019.0:Cprediscovery
LOSS 2012/05/17.22017.9CDiscovery
Joseph Briamcombe 2012/05/18.33214.9Lwidefield, Blog
Massimiliano Martignoni 2012/05/18.840215.1Rc
Joel Nicolas 2012/05/18.85514.4I
Joel Nicolas 2012/05/18.86615.4V
Joel Nicolas 2012/05/18.87415.3R
Joel Nicolas 2012/05/18.88216.1B
Stan Howerton 2012/05/18.88215.0U
Giancarlo Cortini 2012/05/18.8915.2C
Federica Luppi and Luca Buzzi 2012/05/18.974914.9C
Manfred Mrotzek 2012/05/19.917C
ROTSE 2012/05/20.197C
Stan Howerton 2012/05/20.21214.4V
Stan Howerton 2012/05/21.19314.0V
William Wiethoff 2012/05/21.221L
Joseph Brimacombe 2012/05/22.26113.0L
Juan-Luis Glez. Carballo 2012/05/22.93512.90CR
Stan Howerton 2012/05/23.19413.18V
Joel Nicolas 2012/05/23.86613.1I
Joel Nicolas 2012/05/23.87813.5V
Joel Nicolas 2012/05/23.88713.3R
Joel Nicolas 2012/05/23.91013.9B
Rafael Benavides 2012/05/23.90812.65CR
Maurice Audejean 2012/05/23.93712.5CR
JM Llapasset 2012/05/24.85312.2CR
JM Llapasset 2012/05/24.85912.6Ic
JM Llapasset 2012/05/24.86212.5Rc
JM Llapasset 2012/05/24.86512.8V
JM Llapasset 2012/05/24.87012.8B
Marc Serrau 2012/05/24.87212.8R
Thorsten Zilch 2012/05/24.87512.74C
Marc Serrau 2012/05/24.87612.7V
Maurice Gavin 2012/05/24.94112.7C
Stan Howerton 2012/05/25.17012.77V
Joseph Brimacombe 2012/05/25.19912.5L
Giancarlo Cortini 2012/05/25.9212.5C
Gerhard Dangl 2012/05/25.92712.5C
Manfred Mrotzek 2012/05/25.933C
David Storey 2012/05/26.99412.51V
JM Llapasset 2012/05/26.85312.0CR
JM Llapasset 2012/05/26.85912.4Ic
JM Llapasset 2012/05/26.86112.4Rc
JM Llapasset 2012/05/26.86412.5V
JM Llapasset 2012/05/26.86812.8B
Pedro Re' 2012/05/26.91412.27CR
Maurice Gavin 2012/05/26.931Ccolor
Stan Howerton 2012/05/27.19112.40V
JM Llapasset 2012/05/28.85412.0I
JM Llapasset 2012/05/28.85511.9Rc
JM Llapasset 2012/05/28.85812.1V
JM Llapasset 2012/05/28.86312.2B
Juan-Luis Gonzalez Carballo 2012/05/28.87411.78CR
Diego Rodríguez 2012/05/28.91111.90C
Stan Howerton 2012/05/29.19212.19V
Massimiliano Martignoni 2012/05/29.85612.2V
Jose Carrillo 2012/05/29.89011.07R
Stan Howerton 2012/05/31.20212.05V
JM Llapasset 2012/06/01.86711.8CR
JM Llapasset 2012/06/01.87011.4Ic
JM Llapasset 2012/06/01.87211.3Rc
JM Llapasset 2012/06/01.87511.7V
JM Llapasset 2012/06/01.88012.5B
Stan Howerton 2012/06/03.19511.96V
Joel Nicolas 2012/06/04.85612.0I
Joel Nicolas 2012/06/04.86811.9V
Aurelio Grillo 2012/06/05.826C
Juan-Luis Gonzalez Carballo 2012/06/05.89311.8CR
Stan Howerton 2012/06/06.20111.9V
Joseph Brimacombe 2012/06/06.23211.8L
William Wiethoff 2012/06/07.28612.0L
Joel Nicolas 2012/06/07.85812.1I
Joel Nicolas 2012/06/07.87112.0V
Joel Nicolas 2012/06/07.88011.8R
Pedro Re' 2012/06/08.91011.0CR
Joseph Brimacombe 2012/06/09.46111.5IR
Stan Howerton 2012/06/12.203C
Pedro Re' 2012/06/12.87711.5CR
Pedro Re' 2012/06/12.88211.1CR
Rodrigo Losada 2012/06/12.89611.9V
Juan-Luis González Carballo 2012/06/12.95711.8CR
Fabio Briganti 2012/06/13.87512.0C
JM Llapasset 2012/06/14.86112.0CR
Rafael Benavides 2012/06/14.92612.0CR
JM Llapasset 2012/06/17.87612.1CR
JM Llapasset 2012/06/17.88012.3Rc
JM Llapasset 2012/06/17.88312.4V
Stan Howerton 2012/06/18.18112.4V
Jose Carrillo 2012/06/19.86312.5R
Gustavo Muler 2012/06/19.93912.4CR
Stan Howerton 2012/06/23.16412.7V
William Wiethoff 2012/06/25.145C
JM Llapasset 2012/06/28.85512.7:CR
Stan Howerton 2012/07/08.13813.6V
JM Llapasset 2012/07/13.84913.8:CR
Maciel Sparrenberger 2012/07/20.95613.6R
Stan Howerton 2012/07/21.13613.9CV
Stan Howerton 2012/08/11.11214.5C
Stan Howerton 2012/12/21.48416.9CV

Light curves and Spectra:

If you have observations of this Supernova, please send them to vsnet-obs

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David Bishop