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SN 2011by

Alert Notice 439: Correction to AAVSO Alert Notice 438 on SN 2011by

April 28, 2011:  In AAVSO Alert Notice 438 on Supernova 2011by in NGC 3972 (issued 2011 April 28), the position was attributed to the wrong object. Here is the corrected text:

Position: R.A. = 11:55:45.56  Decl. = +55:19:33.8 (equinox 2000.0)
SN 2011by is about 5.3" east and 19.1" north of the center of NGC 3972.

Sincere apologies for the error.

This Alert Notice was issued by Elizabeth O. Waagen.

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SUBMIT OBSERVATIONS TO THE AAVSO

AAVSO Alert Notice 438

SUPERNOVA 2011by in NGC 3972 = PSN J11554556+5519338

April 28, 2011

Discovered by:  Zhangwei Jin, Ningbo, Zhejiang, China, and Xing Gao, Urumqi, Xinjiang, China

Discovery Date:  Apr. 26.8234 UT

Discovery Magnitude:  approximately 14.2 using a Celestron C14 Schmidt-Cassegrain telescope (+ unfiltered CCD camera) at Mt. Nanshan

AAVSO 49 Bay State Rd. Cambridge, MA 02138 aavso@aavso.org 617-354-0484