Michael A. Stecker
M51 and supernova SN1994i
M51, the Whirlpool Galaxy ( NGC 5194), is seen here with an actively exploding supernova
in April, 1994. The supernova is located at about the 11 o'clock position close to the
Photographic Data: A Celestron 14-inch f/11 SCT was used with a 35 mm camera and hypersensitized Kodak Fujicolor HG 400 film. A single 90-minute exposure was made while centered at RA 13 hrs, 30 min and Declination +47.2 degrees. The galaxy's size is 11.3' x 6.9'
and its brightness is 9.0 magnitude. The exposure was made on the night of April 16, 1994.
The negative was scanned and then processed in the computer.