Mr. Galaxy's Discoveries

Supernova SN1994I in NGC5194 (M51)

Supernova: SN1994I
Discovery Date:	1 April 1994
SN Type:	Ic
Apparent Magnitude:	13.5
Offset from Center:	14 " East 12" South
IAUC Announcement:	5961
Discoverers:	T. Puckett J. Armstrong W. Johnson D. Millar R. Berry R. Kushida P. Schwaar Y. Fujita S. Sasaki A. Yonezawa

Galaxy: NGC5194 (M51)
Constellation:	Canes Venatici
Right Ascension:	13 : 29.9 (hours : minutes)
Declination:	+47 : 12 (degrees : minutes)
Distance:	37000 (* 1,000 light years)
Apparent Magnitude:	8.4
Apparent Diameter:	11.0 (arc minutes)
Galaxy Classification:	Sc
Dreyer's description:	!!!, great spiral neb M51

The arrow in the image of the central section of NGC5194 (M51) on the right points to supernova SN1994I as seen by the HST months after the explosion was detected by astronomers.  The image is from The Digitized Sky Surveys.

The Digitized Sky Surveys were produced at the Space Telescope Science Institute under U.S. Government grant NAG W-2166.  See Acknowlegements.