Possible Nova in Sgr: comparison stars GSC6258.527 175612.76 -194926.2 (2000.0) 9.55 6 175613.4 -194958 (2000.0) HD163295 10.0 9.5 A3 175612.8 -194925 (2000.0) 967 0.51 TYC6258.527.1 plx=61.8(21.0) (0.04 0.04) 175612.1 -194921 (2000.0) CPD-19.6311 9.1 175612.8 -194942 (2000.0) SD-19.4751 9.2 Tycho V=9.67 GSC6258.799 175541.34 -194916.1 (2000.0) 9.48 6 175540.4 -194913 (2000.0) HD163189 *A2MA7/8-F0(Michigan) 175541.2 -194915 (2000.0) SAO160907 99.9 9.0 A0 175542.0 -194859 (2000.0) A7:M(Buscombe) V=9.5 - - 175543.4 -195003 (2000.0) HD163189 9.5 9.5 A0 175541.4 -194915 (2000.0) 954 0.54 TYC6258.799.1 plx=-45.3(21.5) (0.03 0.04) 175540.8 -194909 (2000.0) CPD-19.6303 9.1 175541.7 -194931 (2000.0) SD-19.4748 9.0 Tycho V=9.54 GSC6258.469 175458.20 -195324.3 (2000.0) 10.35 6 GSC6258.1157 175459.63 -195307.2 (2000.0) 11.66 6 175458.2 -195324 (2000.0) 1043 0.54 TYC6258.469.1 plx=143.6(67.5) (0.07 0.08) 175457.1 -195328 (2000.0) SD-19.4741 9.3 175457.5 -195323 (2000.0) CPD-19.6293 9.7 Tycho V=10.43