M. Schwartz, Cottage Grove, OR, reports his discovery of an apparent supernova (mag 16.1) on an unfiltered CCD frame taken on Jan. 23.23 UT utilizing the Tenagra I 0.35-m automated supernova patrol telescope in Sonoita, AZ, internet-controlled from Cottage Grove. SN 1999X is located at R.A. = 8h54m32s.23, Decl. = +36o30'41".1 (equinox 2000.0), which is about 4".1 east and 5".5 north of the nucleus of CGCG 180-22. The new object was confirmed on a frame taken on Jan. 27.13 at mag 15.3, showing significant brightening. Schwartz adds that the object does not appear on either the first or the second Palomar Sky Survey scans, and that it is absent from the USNO A1.0 catalogue.
International Astronomical Union Circular
- Pub Date:
- February 1999