SIMBAD references

T. Boles, Coddenham, Suffolk, England, reports the discovery of an apparent supernova (mag 18.1) on unfiltered CCD images taken on Aug. 19.953 and 21.950 UT with a 0.35-m reflector. The new object is located at R.A. = 18h18m06s.15, Decl. = +39o49'24".9 (equinox 2000.0), which is approximately 2".4 east and 6".3 south of the center of MCG +07-37-36. SN 2004dx is not present on Boles' images from June 27 and May 18 (limiting mag 19.5), and it is not present on Digitized Sky Survey red (1992) or blue (1989) plates.