Zlender Images

Supernovae from 2000

Here comes Supernova 2000C. The first in this year for me. 6 images of 300 seconds integration time were used to produce the result. The long integrations are possible now because my new camera (SBIG ST8E) is able to self-guide my telescope (CG11). Ok, the image is not a perfect example, but I had to work very fast because clouds started to cover the sky. It is interesting to note, that another bright supernova appeared in this galaxy in 1998 (SN1998Y). The type of SN2000C is unknown (possible Hypernova ?) The original announcement for a possible SN from IAU-Circular 7348 follows below:

  SN2000C in NGC 2415, 24/01/00, jpeg, 17k

SUPERNOVA 2000C IN NGC 2415
     Independent discoveries of a new apparent supernova in NGC
2415 have been made by Steven Foulkes, Ashperton Village, England,
on Jan. 8.789 UT (communicated via G. Hurst) and by Marco Migliardi,
Cortina, Italy, on Jan. 12.95 (via M. Villi).  Foulkes' discovery
was made on an unfiltered CCD image taken with a 0.26-m reflector
in the course of the U.K. Nova/Supernova Patrol.  Migliardi
obtained the following position for SN 2000C from his discovery
image:  R.A. = 7h36m57s.09, Decl. = +35o14'38".8 (equinox 2000.0),
which is 8".3 east and 7".4 north of the nucleus of NGC 2415.  W.
Li, University of California at Berkeley, reports that a
prediscovery image (limiting mag 19.5-20.0) of SN 2000C appears on
a CCD frame taken on Jan. 8.3 with the Katzman Automatic Imaging
Telescope (KAIT) at Lick Observatory, from whence he provides the
following position end figures:  56s.99, 37".2.  Li adds that
although SN 2000C is very close to the location of SN 1998Y (cf.
IAUC 6850), comparison with KAIT images of SN 1998Y shows that the
new object is slightly north and east of SN 1998Y (see
http://astron.berkeley.edu/~bait/2000/ngc2415.html); he also notes
that SN 1998Y faded from view on KAIT images in Oct. 1998.
Estimated magnitudes for SN 2000C:  1999 Dec. 15.995, [17:
(Foulkes); 26, [19.0 (Li); 30, [18.5 (Li); 2000 Jan. 4, 19.5-20.0
(Li; only hint of new object); 8.3, 18.0: (Li); 8.789, 15.6:
(Foulkes); 12.95, 15.5 (Migliardi).
 
 
 

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