Possible nova in Mon: updated summary of astrometry Possible nova in Mon: summary of astrometry RA Decl err grid measured by 07 04 04.801 -03 50 50.77 (0.3) 29 Tycho-2 H. Yamaoka 07 04 04.85 -03 50 51.12 (0.4) 30+ USNO A2.0 A. Oksanen 07 04 04.82 -03 50 50.8 (0.14,0.10) 12 GSC-ACT K. Kadota 07 04 04.816 -03 50 50.94 (0.1) ? A. Henden For comparison: 07 04 04.846 -03 50 51.11 USNO A2.0 07 04 04.82 -03 50 50.5 2MASS 07 04 04.82 -03 50 50.6 GSC v1.2 07 04 04.83 -03 50 50.5 GSC-ACT 07 04 04.782 -03 50 50.48 GSC-2.2 07 04 04.874 -03 50 50.78 SuperCOSMOS