Comet Observations

52P/Harrington-Abell

Reported observations:

1998 Sept. 20.07 UT: m1=12.2, Dia.=1.3', DC=2-3...25.4cm L (104x) ...Maik Meyer (Frauenstein, Germany)
1998 Sep. 20.57 UT: m1=13.1, Dia.= 1', DC=2, ... 25.6cm L (84x) ... Nicolas Biver (Dillingham, Oahu, HI) [at 169x the comet is elongated on up to 2' in PA 270]
1998 Sept. 21.00 UT: m1=12.3:, Dia=1.4',DC=2...25cm L(x121)...Maciej Reszelski (Szamotuly, Poland)
1998 Sept. 22.03 UT: m1=12.4, Dia.=1.6', DC=2-3...25.4cm L (104x) ...Maik Meyer (Frauenstein, Germany)
1998 Sept. 22.13 UT: m1=12.4, Dia=1.2',DC=2...25cm L(x61)...Maciej Reszelski (Szamotuly, Poland)
1998 Sept. 23.98 UT: m1=12.4, Dia=1'.6, DC=3 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine)
1998 Sept. 24.98 UT: m1=12.3, Dia=1'.8, DC=3 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine)
1998 Sept. 25.06 UT: m1=12.6, Dia=1.2',DC=2/...25cm L(x61)...Maciej Reszelski (Szamotuly, Poland)
1998 Sept. 26.43 UT: m1=12.8, Dia.=1'.5, DC=3-4 ... 41 cm L ... Alan Hale (Cloudcroft, NM)
1998 Sept. 30.04 UT: m1=12.4, Dia=1'.6, DC=3 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine)
1998 Sept. 30.54 UT: m1=12.6, Dia.= 1', DC=2 ... 25.6cm L (84x) ... Nicolas Biver (Mokuleia, Oahu, HI) [at 169x: 2' tail in PA 275]
1998 Oct. 2.49 UT: m1=12.8, Dia.=1'.5, DC=3-4 ... 41 cm L ... Alan Hale (Cloudcroft, NM)
1998 Oct. 16.94 UT: m1=12.4, Dia=1'.8, DC=1...44 cm L (100x).... Timo Karhula (Virsbo, Sweden) [Observed during a power failure in the neighbourhood.]
1998 Oct. 17.01 UT: m1=12.3, Dia.=1.4', DC=3...25.4cm L (104x) ...Maik Meyer (Frauenstein, Germany)
1998 Oct. 20.46 UT: m1=12.7, Dia.= 1', DC=2 ... 25.6cm L (84x) ... Nicolas Biver (Dillingham, Oahu, HI)
1998 Oct. 20.98 UT: m1=12.1, Dia.=1.5', DC=S4...25.4cm L (104x) ...Maik Meyer (Frauenstein, Germany) [comet seemed brighter and more condensed compared w/ last observations]
1998 Oct. 26.50 UT: m1=12.6, Dia.= 1.5', DC=2 ... 25.6cm L (84x) ... Nicolas Biver (Mokuleia, Oahu, HI)
1998 Oct. 30.42 UT: m1=12.5, Dia=1.6', DC=3, Tail=6 min. on PA 090...25cm f/4.07 SCT (200x)....Larry Robinson, (Sunflower Observatory, Olathe, Kansas)
1998 Nov. 12.92 UT: m1=11.9, Dia.=1.5', DC=3...25.4cm L (104x) ...Maik Meyer (Frauenstein, Germany)
1998 Nov. 22.74 UT: m1=12.0, Dia=1'.6, DC=3 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine)
1998 Nov. 23.97 UT: m1=11.7, Dia=1'.8, DC=2 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine) [Sky condition was very good]
1998 Nov.24.25 UT: m1=13.2, Dia=1.4', DC=3, Tail=3 min. on PA 087...25cm f/4.07 SCT (200x)....Larry Robinson (Sunflower Observatory, Olathe, Kansas)
1998 Nov. 24.87 UT: m1=11.8, Dia=1'.6, DC=3 ...20 cm L (70x)... Alexandr Baransky (Observatory of Kyiv University, Ukraine)
1998 Nov 27.80 UT: m1=11.9, Dia=1.2', DC=3...41cm L ...Andrew Pearce (Nedlands, Western Australia)

88P/Howell

Reported observations:

1998 Oct. 7.42 UT: m1=10.3, Dia=3.5', DC=3...20cm L (x45)...Michael Mattiazzo(Wallaroo,South Australia)
1998 Oct 7.49 UT: m1=10.2, Dia=2.2', DC=3/...41cm R...Andrew Pearce (Nedlands, Western Australia)
1998 Oct. 9.43 UT: m1=10.1,Dia=3.5',DC=3...20cm L (x45)...Michael Mattiazzo(Wallaroo,South Australia)
1998 Oct 10.50UT: m1=9.8, Dia=2.4', DC=3...41cm reflector...Andrew Pearce (Nedlands, Western Australia)
1998 Oct. 11.11 UT: m1=10.2, Dia=3.3', DC=3...51cm L (79x)....Charles S. Morris (Lockwood Valley, CA)
1998 Oct 13.44 UT: m1=10.3,Dia=3',DC=3...20cm L (x45)...Michael Mattiazzo(Wallaroo,South Australia)
1998 Oct 14.96 UT: m1=10.3, Dia=3', DC=3...25.4cm SCT (63x)...Paulo M. Raymundo (Salvador, Brazil)
1998 Oct 15.35 UT: m1=10.1, Dia=3', DC=3...11cm L(x16)...Stuart Rae (Palmerston North, New Zealand)
1998 Oct. 15.44 UT: m1=10.3,Dia=3',DC=3...20cm L (x45)...Michael Mattiazzo(Wallaroo,South Australia)
1998 Oct 16.36 UT: m1=10.0, Dia=3', DC=3...11cm L(x16)...Stuart Rae (Palmerston North, New Zealand)
1998 Oct 17.35 UT: m1=9.9, Dia=3'.5, DC=3/...11cm L(x16)...Stuart Rae (Palmerston North, New Zealand)
1998 Oct 18.04 UT: m1=10.8, Dia=2', DC=1...45cmCASS/ST6...Tom Johnston(Sommers-Bausch Observatory, Boulder, CO)[Magnitude corrected]
1998 Oct 19.51 UT: m1=10.5, DC=2...41cm L...Andrew Pearce (Nedlands, Western Australia)
1998 Oct. 20.24 UT: m1=10.2, Dia.= 3', DC=3 ... 25.6cm L (42x) ... Nicolas Biver (Dillingham, Oahu, HI)
1998 Oct. 24.0 UT: m1=10.8, Dia.=1.5', DC=2...25.4cm L (f/4.5, 130x).... Michael Doyle (NW of Bertram, TX) [Very dim and diffuse]
1998 Oct. 23.26 UT: m1=10.0, Dia.= 3.5', DC=2 ... 25.6cm L (42x) ... Nicolas Biver (Dillingham, Oahu, HI)
1998 Nov. 7.21 UT: m1=10.7, Dia.= 3.0', DC=3 ... 25.6cm L (42x) ... Nicolas Biver (Mokuleia, Oahu, HI)
1998 Nov 8.45 UT: m1=10.5,Dia=3',DC=3...20cm L (x45)...Michael Mattiazzo(Wallaroo,South Australia)
1998 Nov. 12.71 UT: m1=10.5, Dia.=2.0', DC=2...25.4cm L (65x) ...Maik Meyer (Frauenstein, Germany) [comet only 9 deg above horizon]
1998 Nov 23.54UT: m1=10.8, Dia=1.8', DC=1...41cm L...Andrew Pearce (Nedlands, Western Australia)