SIMBAD references

Numerous supernovae have been discovered on unfiltered CCD frames: 2007be by S. Moretti and S. Tomaselli (Bastia, Ravenna, Italy, 0.42-m reflector); 2007bf and 2007bj by T. Puckett (cf. IAUC 8822; 2007bf with E. Guido, and 2007bj with J. Newton and R. Gorelli); 2007bg by R. Quimby and E. Rykoff (cf. IAUC 8779); 2007bh by T.-w. Chen et al. (cf. IAUC 8667); 2007bi and 2007bo-2007bz by P. E. Nugent and the "Nearby Supernova Factory" collaboration; 2007bk by H. Mikuz (cf. IAUC 8687); and the rest by R. Martin (cf. IAUC 8496). Discovery observations for those objects reported to be brighter than mag 18.7: SN 2007 UT R.A. (2000.0) Decl. Mag. Offset 2007be Apr. 7.96 12 38 06.65 - 0 01 51.4 16.8 18".4 E, 14".7 S 2007bf Apr. 8.30 14 15 12.05 +15 44 11.8 17.8 4".3 E, 20".1 S 2007bg Apr. 16.15 11 49 26.18 +51 49 21.8 17.7 – 2007bh Apr. 13.82 15 09 26.37 -10 41 33.2 18.6 24".6 E, 10".9 N 2007bi Apr. 6.5 13 19 20.19 + 8 55 44.3 18.3 – 2007bj Apr. 18.32 16 22 10.59 - 1 30 51.4 15.1 3".9 E, 2".3 N 2007bk Apr. 20.00 15 28 45.58 +58 52 12.8 16.5 5".0 E, 12".5 N 2007bl Apr. 18.86 22 48 05.44 -47 13 54.3 16.5 18".9 W, 21".6 N 2007bm Apr. 20.68 11 25 02.30 - 9 47 53.8 16.0 2".4 W, 10".8 S 2007bn Apr. 18.86 22 55 52.81 -63 41 31.6 17.0 27" W, 9" N 2007bp Mar. 26.4 9 24 00.55 + 5 12 25.0 15.6 – 2007bt Apr. 17.5 14 27 47.73 +12 48 47.1 15.6 – 2007bw Apr. 18.5 17 11 01.99 +24 30 36.4 17.3 – 2007bx Apr. 19.3 11 02 41.52 - 1 38 31.5 18.6 – 2007bz Apr. 22.4 12 56 53.77 +22 22 22.1 16.7 – Additional information is available on Electronic Telegrams: 2007be in UGC 7800, CBETs 917, 920 (type-II); 2007bf in UGC 9121, CBETs 919, 921 (type-II, discovered a few days past explosion); 2007bg, CBET 927 (type-Ic); 2007bh in PGC 54103, CBET 928; 2007bi, CBET 929 (peculiar type-Ic); 2007bj in NGC 6172, CBETs 930, 932 (type-Ia, discovered perhaps a week past maximum); 2007bk, CBETs 933, 937 (type-Ia); 2007bl in ESO 239-G1, CBET 935; 2007bm in NGC 3672, CBETs 936, 939 (type-Ia, discovered before maximum); 2007bn in NGC 7408, CBET 940; 2007bo-2007by, CBET 941 (all type-II except type-Ib 2007br); 2007bz in IC 3918, CBETs 941, 943 (type-Ia). Mikuz adds the following R magnitudes for 2007bk: Apr. 21.949 UT, 16.61 ± 0.05; 22.937, 16.76 ± 0.03.