SIMBAD references

L. A. G. Monard, Pretoria, S. Africa, reports the discovery of an apparent supernova (mag about 16.9 ± 0.3) on unfiltered CCD images taken on Feb. 29.104 UT and confirmed on Mar. 1.115 (mag 16.8). SN 2004ac is located at R.A. = 18h47m43s.67, Decl. = -63o08'54".6 (equinox 2000.0), which is 9" west and 31" north of the nucleus of IC 4769. The new object is not visible on a red image from the Digitized Sky Survey (limiting mag 19.5) or on earlier images taken by Monard on 2003 Sept. 18.77 (limiting mag 18.7) and Oct. 16.75 (limiting mag 18.5).