Supernova 1998s in NGC 3877
Digitized
Sky Survey image of NGC 3877
All images below were taken with a 16 bit Apogee AP-6 on the Sproul 24"
f18 refractor. Image field is approximately 8x8 arc minutes.
Photometry on images 1-5 reworked from raw data on May 1, 98.
First successful attempt, there were some computer problems
so the image is not as good as it could be.
Taken about 9:20 PM EST March 30, 1998, unfiltered, 8 minute exposure.
(2:20 UT 3/31/98)
Approximate SN magnitude is 12.7
Taken about 8:20 PM EST April 2, 1998, unfiltered, 8 minute exposure.
(1:20 UT 4/3/98)
Approximate SN magnitude is 12.8
1024x1024
image here.
Taken about 9:40 PM EDT April 6, 1998, unfiltered, 8 minute exposure.
(1:40 UT 4/7/98)
Approximate SN magnitude is 12.9
1024x1024
image here.
Taken about 9:30 PM EDT April 20, 1998, V filter, 8 minute
exposure. (1:30 UT 4/21/98)
Approximate SN magnitude is 13.5
Taken about 22:00 EDT April 28, 1998, V filter, 10 minute exposure.
(2:00 UT 4/29/98)
Approximate SN magnitude is 13.7
Taken about 21:23 EDT May 14, 1998, V filter, 10 minute
exposure. (1:23 UT 5/15/98)
Approximate SN magnitude is 14.5
Observers:
Martin Schultz (Widener University)
Wulff Heintz (Swarthmore College)
Harry Augensen (Widener University)