* * * * * 51P/Harrington * * * * *

Year Mn Day MM Mag Ref Scope Pwr coma DC tail p.a. Obs Site 2008 9 9.75 S[13.9 HS 40.0L 257 !0.5 Kita-karuizawa, Gunma (The sky was clear, but not visible.) 2008 9 7.15 S 14.0 HN 20.3T 160 0.3 5 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near IK Tau. Mountain location, very clear sky.) 2008 8 9.12 I 14.7 HN 20.3T 133 0.2 8 GON Alto del Castro - Aralla, León (Nearby field stars checked in DSS. Comparison stars taken from Henden photometry near IK Tau. Mountain location, very clear sky.)