Supernovae 2011by in NGC 3972

This page is devoted to information on Supernova 2011by in NGC 3972.   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 Zhangwei Jin and Xing Gao (China).   This one a Type Ia found young.   We have a Photometry reference image made by Odd Trondal.   This supernova is in the Constellation Ursa Major.

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
Thomas Hebbeker 2011/04/25.947CPrediscovery
Zhangwei Jin
and Xing Gao
Fabio Martinelli
and Fabio Briganti
Diego Rodríguez 2011/04/2714.38C
Joseph Brimacombe 2011/04/27.33214.5CR
Andy Lee 2011/04/27C
Krzysztof Kida 2011/04/27.9014.3C negative
Nick James 2011/04/27.91314.38CR
Rodrigo Losada 2011/04/27.93714.25C
Robert Koff 2011/04/2814.59V
Henryk Lauterbach 2011/04/28.86314.3C
Denis Buczynski 2011/04/28.94414.3C
Robert Wahlstrom 2011/04/28.95314.1V
David Storey 2011/04/29.06813.9V
Tomasz L. Czarnecki 2011/04/29.15414.13C
William Wiethoff 2011/04/29.2C
Joel Nicolas 2011/04/29.90413.7CR
Manfred Mrotzek 2011/04/29.921C
JM Llapasset 2011/04/30.82113.4CR mirror
JM Llapasset 2011/04/30.82813.40I
JM Llapasset 2011/04/30.83213.60Rc
JM Llapasset 2011/04/30.83613.70V mirror
JM Llapasset 2011/04/30.84213.90B
Les Thomas 2011/04/30.900C
George Kristiansen 2011/04/30.92913.48C Drawing mirror
Paul Cannon 2011/04/30.98514.5CR
David Storey 2011/05/01.08313.8V
Andy Cason 2011/05/01.08613.64V
Wojciech Piskorz 2011/05/01.36113.6C Negative version
JM Llapasset 2011/05/01.82313.2CR mirror
JM Llapasset 2011/05/01.82713.20I
JM Llapasset 2011/05/01.83013.30Rc
JM Llapasset 2011/05/01.83413.60V mirror
JM Llapasset 2011/05/01.83913.70B
Joel Nicolas 2011/05/01.87313.3CR
Giancarlo Cortini 2011/05/01.813.3C
Paolo Demaria 2011/05/01.95013.4Rcolor, black and white version
Tomasz L. Czarnecki 2011/05/02.07813.45C
Nick Hows 2011/05/02.89113.5C
Lode Stevens 2011/05/03.0013.4C
Joel Nicolas 2011/05/03.83813.0CR
Richie Jarvis 2011/05/03C
Martin Mobberley 2011/05/03.886C
Raymond Kneip 2011/05/03.87513.2C
Patrick Sogorb 2011/05/03.87713.00CR
Nick Hows 2011/05/03.91413.3C
Phil Sullivan 2011/05/04.21913.297V
Joel Nicolas 2011/05/04.90112.9CR
Nick Hows 2011/05/04.92413.3C
Maurice Gavin 2011/05/05.863C
Nick Hows 2011/05/05.910C
Giancarlo Cortini 2011/05/05.9512.9C
Joel Nicolas 2011/05/06.90012.8CR
Krzysztof Kida 2011/05/06.9113.0V negative image
Tibor Horvath 2011/05/06.987C
George Kristiansen 2011/05/07.08313.0C
Stan Howerton 2011/05/07.21712.94C
Rafael Ferrando 2011/05/07.93412.8CR
Rafael Benavides 2011/05/07.96212.71CR
Jorma Mantyla 2011/05/08.057C
JM Llapasset 2011/05/08.82312.70CR
JM Llapasset 2011/05/08.83112.60Rc
JM Llapasset 2011/05/08.83512.66V
JM Llapasset 2011/05/08.84013.00B
Adolfo San Segundo 2011/05/08.84513.82V
Paolo Corelli 2011/05/08.84613.0V
JM Llapasset 2011/05/08.84812.70I
Manfred Mrotzek 2011/05/08.86312.2V
Raymond Kneip 2011/05/08.88512.8C
Juanjo González 2011/05/08.88812.7Rcolor, nice
Diego Rodríguez 2011/05/08.90812.81R
Rui Branco 2011/05/08.92412.6C
Nick Howes 2011/05/08.92712.9C
Rui Branco 2011/05/08.96412.8C
Heinz Kerner and
Thomas Wahl
Jose Carrillo 2011/05/09.89012.98cR
Nick Howes 2011/05/09.92712.3C color version
Thomas Langhans 2011/05/11.25C
Jordi Camarasa 2011/05/11.85412.77R
Marc Serrau 2011/05/12.87712.70B
Joel Nicolas 2011/05/12.87812.80CR
Marc Serrau 2011/05/12.90013.10V
Nick Howes 2011/05/13.41512.5R
Rui Branco 2011/05/14.50012.9C
Marc Serrau 2011/05/14.89513.10R
Raymond Kneip 2011/05/14.89612.8C
Marc Serrau 2011/05/14.90712.70V
Marc Serrau 2011/05/14.91712.70B
JM Llapasset 2011/05/16.06112.86CR mirror
JM Llapasset 2011/05/16.06812.96Rc
JM Llapasset 2011/05/16.06513.1I
JM Llapasset 2011/05/16.07212.98V mirror
JM Llapasset 2011/05/16.07713.3B
JM Llapasset 2011/05/16.88412.9CR
Giancarlo Cortini 2011/05/16.9513.1C
Nick Howes 2011/05/18.93613.4C
JM Llapasset 2011/05/19.89113.1CR
JM Llapasset 2011/05/19.89813.1Rc
JM Llapasset 2011/05/19.90413.0V
JM Llapasset 2011/05/19.91013.5B
JM Llapasset 2011/05/19.92613.5I
Tomasz L. Czarnecki 2011/05/20.05013.15C
Marc Serrau 2011/05/20.86313.10B
Jose Carrillo 2011/05/20.87413.1R
Marc Serrau 2011/05/20.88513.60V
Marc Serrau 2011/05/20.89014.20R
Rafael Ferrando 2011/05/20.89813.3CR
Felipe Peńa 2011/05/20.92213.2C
Pedro Re' 2011/05/20.94313.17C
Ramon Naves 2011/05/21.85213.21V
Pedro Re' 2011/05/21.88313.10C
Rodrigo Losada 2011/05/22.04213.3CR
Marc Serrau 2011/05/23.86813.60R
Marc Serrau 2011/05/23.87613.60V
JM Llapasset 2011/05/23.89513.45CR mirror
Markus Bütikofer 2011/05/23.927Ccolor
Rui Branco 2011/05/22.92013.15C
Joel Nicolas 2011/05/23.94313.5CR
JM Llapasset 2011/05/25.88813.5CR
JM Llapasset 2011/05/25.89713.6Rc
JM Llapasset 2011/05/25.90213.65V
Giancarlo Cortini 2011/05/26.0313.5C
Joel Nicolas 2011/05/28.91113.60CR
Rafael Benavides 2011/05/28.91313.57CR
William Wiethoff 2011/06/02.264C
Rui Branco 2011/06/02.88613.85C
Pedro Re' 2011/06/02.89413.85C
Raymond Kneip 2011/06/02.93713.8C
Pedro Re' 2011/06/03.88913.91C
David Storey 2011/06/03.94514.16V
Stan Howerton 2011/06/04.26214.1C
Pedro Re' 2011/06/04.88114.14C
Anthony Ayiomamitis 2011/06/05.000C
William Wiethoff 2011/06/05.255C
Giancarlo Cortini 2011/06/09.9514.1C
Pedro Re' 2011/06/10.88915.54CR
Pedro Re' 2011/06/11.89714.61CRthin clouds
Rui Branco 2011/06/11.98614.62CR
Joel Nicolas 2011/06/15.91114.50CR
Thomas Langhans 2011/06/17.22C
Pedro Re' 2011/06/18.89515.02CR
Rui Branco 2011/06/18.95015.04CR
JM Llapasset 2011/06/19.87714.6CR
Joel Nicolas 2011/06/19.87714.7CR
Giancarlo Cortini 2011/06/20.9514.4C
JM Llapasset 2011/06/24.89014.8CR
Alessandro Dimai 2011/06/24.9214.9C
Rafael Benavides 2011/06/25.94714.89CR
JM Llapasset 2011/06/26.85915.0CR
JM Llapasset 2011/07/01.87015.05CR
Thomas Langhans 2011/07/04.23C
Rafael Benavides 2011/07/04.92814.97CR
JM Llapasset 2011/07/08.85215.3CR
JM Llapasset 2011/07/29.85415.9CR
Giancarlo Cortini 2011/08/02.9016.2C
JM Llapasset 2011/08/04.83916.0:CR
Giancarlo Cortini 2011/08/20.8316.5C
JM Llapasset 2011/09/08.82416.90CR
Giancarlo Cortini 2011/11/19.2018.3C
Joseph Brimacombe 2011/11/26.42518.4L
Thomas Langhans 2012/01/28.530> 20.0C

Light curves and Spectra:

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David Bishop