SIMBAD references

Visual magnitude estimates (cf. IAUC 8688), provided in part by the AAVSO: Feb. 14.226 UT, 5.3 (M. Mario A. Fernandez Ocana, Vallirana, Spain); 15.214, 6.0 (Fernandez Ocana); 17.174, 6.4 (Fernandez Ocana); 17.249, 6.5 (C. Labordena, Castellon, Spain); 18.858, 6.8 (A. Pearce, Nedlands, W. Australia); 19.852, 7.2 (Pearce); 20.844, 7.2 (Pearce); 21.210, 7.1 (Fernandez Ocana); 21.847, 7.4 (Pearce); Mar. 16.315, 9.2 (J. Bortle, Stormville, NY); 17.163, 9.3 (B. Granslo, Fjellhamar, Norway); 17.361, 8.9 (M. Komorous, London, ON, Canada); 20.117, 9.3 (P. Dubovsky, Podbiel, Slovakia); 23.195, 9.4 (E. Muyllaert, Oostende, Belgium); 27.024, 9.5 (P. Reinhard, Vienna, Austria); Apr. 2.160, 10.1 (G. Poyner, Birmingham, England); 8.066, 9.5 (G. Mavrofridis, Nikea, Greece); 11.138, 10.0 (P. Cloesen, Beringen, Belgium); 21.102, 10.0 (A. Amorim, Florianopoulos, Brazil); 24.110, 10.0 (D. Storey, Douglas, Isle of Man, England); May 3.019, 10.1 (E. Van Ballegoij, Heesch, Netherlands).