* * * * * 110P/Hartley 3 * * * * *


Year Mn Day    MM  Mag Ref Scope Pwr coma  DC tail p.a. Obs  Site
2008  3  5.52   S[14.2 UV  40.0L 257 !0.4               YOS  Mt. Hanadate, Ibaraki
(Not visible.)
2008  1  4.51   S 14.5 UV  40.0L 257  0.5  6            YOS  Mt. Hanadate, Ibaraki
(Strongly condensed.)
2007 12  9.51   S 14.4     40.0L 257  0.5  4/           YOS  Kita-karuizawa, Gunma
(Moderately condensed. Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.)
2007 10  5.76   S[14.4     40.0L 257 !0.4               YOS  Kita-karuizawa, Gunma
(It must be brightening rapidly now, so I hoped I could see. But actually , it was still too faint
to see visually. Comparison stars from USNO-A2.0, preliminary V magnitude calculated from R and B magnitude.)

2001  3 12.831  S[14.0 GA  31.0J 186 !1.0               BOU  Sint Annen
(Nearby interfering stars with GSC magnitudes of 15.0 and 15.4 were seen;
the comet may have been glimpsed occasionally, but this is VERY uncertain.)
2000 12 22.915  S 13.9 GA  31.0J 124  0.8  4            BOU  Sint Annen
2000 12  3.968  S 14.0 GA  31.0J 124  0.6  5            BOU  Sint Annen
(Reality of object checked and confirmed against DSS red and blue plate afterwards.)