C/1998 P1 (WILLIAMS)


Date (UT)  n MM Mag Ref Aper Type  f   x  dia DC taildg tailpa Observer
----------------------------------------------------------------------------
981216.20  - S 10.1 HS  20.3  T   10  102 2.0  5    -      -    Timo Karhula
Comments: Altitude 15 degrees. Site: Virsbo, Sweden.


Date (UT)  n MM Mag Ref Aper Type  f   x  dia DC taildg tailpa Observer
----------------------------------------------------------------------------
990416.93  - S [13.0 HS 44.5  L   4.5 220 -   -  ---    ---    Johan Warell
Comments: Comet not seen. Conservative magnitude estimate as I did not have 
access to faint comparison chart. Altitude 23 deg. ZLM +6.7. Site: Sandvreten 
Observatory, Sweden.