Williams (C/1998 P1)
Date                   RA            declination    r      delta   mag Elong
----                   --            -----------    -      -----   --- -----
 1 Dec 1998            13h19m25.16s  -17 15' 27.5"  1.343   1.857 10.1  44.4 Vir
 3 Dec 1998            13h18m26.82s  -16 42' 12.0"  1.359   1.830 10.1  46.7 Vir
 5 Dec 1998            13h17m22.85s  -16 07' 37.9"  1.376   1.802 10.2  49.1 Vir
 7 Dec 1998            13h16m12.73s  -15 31' 36.7"  1.393   1.772 10.2  51.6 Vir
 9 Dec 1998            13h14m55.85s  -14 53' 58.9"  1.411   1.742 10.2  54.1 Vir
11 Dec 1998            13h13m31.56s  -14 14' 34.3"  1.429   1.711 10.2  56.6 Vir
13 Dec 1998            13h11m59.13s  -13 33' 11.8"  1.447   1.678 10.2  59.2 Vir
15 Dec 1998            13h10m17.80s  -12 49' 39.3"  1.466   1.645 10.2  61.8 Vir
17 Dec 1998            13h08m26.72s  -12 03' 43.9"  1.484   1.612 10.3  64.6 Vir
19 Dec 1998            13h06m24.99s  -11 15' 11.4"  1.504   1.578 10.3  67.3 Vir
21 Dec 1998            13h04m11.65s  -10 23' 46.8"  1.523   1.543 10.3  70.2 Vir
23 Dec 1998            13h01m45.65s  -09 29' 14.1"  1.543   1.508 10.3  73.1 Vir
25 Dec 1998            12h59m05.91s  -08 31' 16.6"  1.563   1.473 10.3  76.1 Vir
27 Dec 1998            12h56m11.26s  -07 29' 36.4"  1.583   1.438 10.3  79.2 Vir
29 Dec 1998            12h53m00.45s  -06 23' 55.6"  1.603   1.403 10.3  82.4 Vir
31 Dec 1998            12h49m32.18s  -05 13' 55.4"  1.624   1.369 10.3  85.7 Vir
 2 Jan 1999            12h45m45.05s  -03 59' 17.4"  1.645   1.334 10.3  89.1 Vir