SIMBAD references

Independent discovery reports of an apparent supernova have been received from M. Armstrong (Rolvenden, U.K., 0.35-m reflector) and R. Arbour (South Wonston, U.K., 0.3-m reflector). Armstrong reports the new object's position as R.A. = 15h55m41s.02, Decl. = +47o51'49".1 (equinox 2000.0), which is approximately 23" west and 11" south of the center of UGC 10097; Arbour's measured position end figures are 40s.98, 48".8. Unfiltered CCD magnitudes of SN 2004di: July 14 UT, [19.0 (Armstrong); 18.922, [17.5 (Arbour); 26.903, 17.0 (Armstrong); 27.891, 17.0 (Armstrong); 27.911, 16.8 (Arbour). Nothing was visible at this position on Palomar Sky Survey images from 1989 and 1993 (red limiting mag 20.8; blue limiting mag 22.5).