Supernovae

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SNIa

SN 2011fe
Type Ia
R.A. = 14h03m05.8s - Decl. = +54 °16'25" | M101
Discovered 2011/08/24 by P.Nugent & al., Palomar Transcient Factory (ATel #3581)

		2011 september 02. 831     Date 02-09-2011 UT 19:31 JD mid exp 2455807.331 Telescope SC 25 cm |F/D 6.3 Spectrograph LISA Slit 35 mcm R 720 CCD Starlight SXV-H9 Exp 9 x 300 sec sec b1 RI HR 5467     Mag 10.5

SN 2011dh
Type IIb
R.A. = 13h30m05s - Decl. = +47 °10'11" | M51
Discovered 2011/05/31.89 by Tom Reiland; Thomas Griga; Amedee Riou; and Stephane Lamotte Bailey  - CBET 2736

		2011 june 29. 905     Date 29-06-2011 UT JD mid exp 2455742.440 Telescope SC 25 cm |F/D 6.3 Spectrograph LISA Slit 35 mcm R 600 CCD Starlight SXV-H9 Exp 5 x 1200 sec sec b1     Mag ~13.1
		2011 june 23.900     Date 16-06-2011 UT 21:35 JD 2455736.407 Telescope SC 25 cm |F/D 6.3 Spectrograph LISA Slit 23 mcm R 900 CCD Starlight SXV-H9 Exp 5x1200 sec b1     Mag ~12.5
		2011 june 16.948     Date 16-06-2011 UT JD 2455729.448 Telescope SC 25 cm |F/D 6.3 Spectrograph LISA Slit 35 mcm R 650 CCD Starlight SXV-H9 Exp 14x300 sec b2     Mag ~12.7

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SN 2011by
Type Ia
R.A. = 11h55m46s, Decl. = +55 °19'34" | NGC 3972
Discovered 2011/04/26.823 by Zhangwei Jin and Xing - CBET 2708

2011 may 12.864     Date 12-05-2011 UT JD 2455694.363889 Telescope SC 25 cm |F/D 6.3 Spectrograph LISA Slit 50 mcm R 500 CCD Starlight SXV-H9 Exp 8x600 sec b2     Mag ~12.9