AY Lyrae (UGSU)
Position: (2000) 18 44 26.73 + 37 59 53.4  (from original dat file)
Magnitude: V=18.679 +/-0.073 B-V= + 0.224 +/-0.089 (from original dat file)
Range: 12.3-18.7V
Sequence: CCD(V) A. Henden and M. Simonsen


#    RA(2000)       Dec       N    V    Err   B-V   Err   V-R   Err   R-I   Err
1   18 44 31.60  +38 04 28.0  2  11.549 0.039 1.153 0.042 0.586 0.083 0.530 0.031
2   18 44 54.15  +37 58 24.1  2  12.210 0.006 1.074 0.000 0.583 0.018 0.508 0.013
3   18 44 38.77  +38 02	44.8  2	 12.804	0.004 0.437 0.006 0.265	0.011 0.259 0.007
4   18 44 15.90	 +38 00	29.1  1	 12.869	0.001 0.504 0.001 0.307	0.001 0.274 0.001
5   18 44 49.59	 +38 00	37.1  2	 13.389	0.000 0.529 0.011 0.322	0.015 0.307 0.013
6   18 44 12.65	 +37 58	44.3  1  13.752	0.002 0.597 0.003 0.351	0.003 0.315 0.003
7   18 44 17.82  +38 02 08.9  1  13.993 0.002 0.707 0.004 0.387 0.003 0.367 0.005
8   18 44 34.96  +38 00 58.4  2  14.462 0.003 0.650 0.008 0.398 0.018 0.417 0.006
9   18 44 35.70  +37 58 08.2  2  14.739 0.005 0.954 0.002 0.516 0.012 0.480 0.008
10  18 44 44.05  +37 59 00.5  2  14.949 0.005 0.636 0.003 0.372 0.025 0.369 0.011
11  18 44 17.69	 +37 58	55.6  1	 15.297	0.004 0.838 0.006 0.464	0.006 0.381 0.006
12  18 44 30.20	 +38 00	10.8  2	 15.741	0.005 0.572 0.012 0.315	0.016 0.319 0.004
13  18 44 23.87  +38 00	02.7  2  16.180	0.003 0.962 0.011 0.529	0.011 0.459 0.013
14  18 44 35.65  +38 00 04.7  2  16.493 0.010 0.701 0.035 0.396 0.021 0.375 0.006
15  18 44 30.29	 +37 58	19.8  2	 16.820	0.011 0.594 0.016 0.349	0.002 0.382 0.001
16  18 44 28.45  +37 59 21.2  2  17.097 0.010 0.784 0.010 0.427 0.021 0.384 0.011
17  18 44 26.50  +38 01 07.6  2  17.695 0.039 0.642 0.074 0.454 0.017 0.408 0.025
18  18 44 27.39  +37 59 47.8  1  18.559 0.065 0.948 0.110 0.601 0.086 0.439 0.092

Notes:
1- There is a bright red star in the field at 18 44 18.93 +38 02 42.5 with a 
Tycho 2 magnitude of 9.08V.
2- AY Lyr has a close companion, star 18 in this sequence.

Mike Simonsen
January 03, 2003