SIMBAD references

CCD photometry of V2468 Cyg by K. Hornoch, Ondrejov, Czech Republic, with a 0.65-m reflector: Mar. 10.175 UT, V = 8.27 ± 0.01, B-V = +1.10 ± 0.03, V-I = +1.52 ± 0.02 (comparison star HIP 98323). Visual magnitude estimates, in part from E. O. Waagen, AAVSO: Mar. 9.417, 7.7 (J. E. Bortle, Stormville, NY, U.S.A.); 10.187, 8.3 (Hornoch); 12.362, 8.1 (M. Bradbury, Greenwood, IN, U.S.A.); 13.452, 9.2 (L. Shotter, Uniontown, PA, U.S.A.); 15.020, 9.0 (B. Granslo, Fjellhamar, Norway); 17.443, 8.6 (Shotter); 19.056, 9.6 (Granslo).