228 V2274 CYGNI (N2001) Range: 11.7-21p Position: 20 07 17.96 +36 04 37.6 (J2000, from .dat file) Magnitude: V=11.847 B-V=1.612 (in .dat file) ID RA (2000) DEC X Y N V ERR B-V ERR a) Comparison star sequence 1 20 07 42.8 +36 00 36 301 -242 2 11.200 0.010 0.281 0.003 2 20 07 17.0 +36 06 40 -12 122 2 11.524 0.010 1.116 0.004 3 20 06 57.8 +36 07 09 -245 150 2 11.599 0.008 1.023 0.006 4 20 07 15.8 +36 05 52 -27 74 2 11.887 0.015 0.850 0.000 5 20 07 34.4 +36 06 18 198 100 2 12.212 0.006 0.601 0.006 6 20 07 28.1 +36 00 54 123 -224 2 12.437 0.015 0.684 0.003 7 20 07 20.9 +36 02 58 35 -100 2 12.550 0.011 0.308 0.002 8 20 07 38.9 +36 06 33 253 115 2 12.704 0.006 0.512 0.000 9 20 07 21.4 +36 01 04 41 -214 2 12.931 0.011 1.218 0.009 10 20 07 06.0 +36 01 34 -145 -184 2 13.230 0.008 0.543 0.009 11 20 07 14.2 +36 04 36 -46 -2 2 13.589 0.006 0.800 0.008 12 20 07 16.9 +36 07 55 -14 197 2 14.000 0.008 0.704 0.003 13 20 07 32.3 +36 04 14 174 -24 2 14.640 0.000 0.817 0.016 14 20 07 22.3 +36 05 10 52 32 2 15.206 0.016 0.673 0.007 15 20 07 21.1 +36 04 37 37 -1 2 15.590 0.012 0.849 0.020 16 20 07 18.5 +36 05 14 6 36 2 16.297 0.000 0.931 0.011 17 20 07 17.3 +36 04 07 -8 -31 2 16.737 0.008 0.741 0.062 b) Wide-colour extension for CCD calibration 20 07 19.8 +36 06 40 21 122 2 11.907 0.010 0.207 0.000 20 07 07.3 +36 00 31 -130 -247 2 12.036 0.010 2.013 0.004 Notes: 1. This is Nova Cygni 2001, discovered by Yuji Nakamura on July 13 2001. 2. There is a bright star in the NW of the field at 20h 06m 48.6s +36d 08' 44' with an accurate Tycho-2 magnitude of 9.97+/-0.03. 3. There is a very faint image on DSS images at the position of the nova. This is about magnitude 21. Bruce Sumner 21 July 2001