SIMBAD references

The following additional magnitudes of M32N 2010-07a were measured by Hornoch from available images: 2010 July 19.186 UT, Sloan r' = 20.20 ± 0.06 (Pinfield, Sipocz, and Kovacs, 2.54-m Isaac Newton Telescope at La Palma); 19.191, [H_alpha] = 19.9 ± 0.15 (Pinfield, Sipocz, and Kovacs); 20.121, [H_alpha] = 19.8 ± 0.15 (J. Gorosabel, O. Lara Gil, M. Jelinek, P. Kubanek, and P. Martorell, 1.23-m telescope at Calar Alto); 21.934, R-I = +0.9 ± 0.3 (Hornoch and P. Zasche, 0.65-m telescope at Ondrejov); 23.175, Sloan g' = 21.7 ± 0.2 (Vaduvescu and Cardwell, 4.2-m William Herschel Telescope at La Palma); 23.177, Sloan r' = 20.29 ± 0.05 (Vaduvescu and Cardwell); 23.180, Sloan i' = 19.35 ± 0.02 (Vaduvescu and Cardwell).