The following table gives a summary of the comets brighter than 16 mag, which were observed by members of the German Comet Section.
The maximum brightness of comets brighter than 10.0 mag is given with an accuracy of 0.1 mag, that of fainter comets with an accuracy of 0.5 mag. The maximum coma diameter is given with an accuracy of 0.1' for comae less than 1', with an accuracy of 0.5' for comae between 1' and 5' and with an accuracy of 1' for larger comae.
old Design. | new Design. | Comet's Name | discovered | T | q [AU] | m_max | Coma ['] | FGK | |
1988r | C/1988 Y1 | Yanaka | Dec 29, 1988 | Dec 11, 1988 | 0.43 | 9.0 | 2.5 | V, P | |
1989a | C/1989 A1 | Yanaka | Jan 01, 1989 | Oct 31, 1988 | 1.89 | 10.5 | 2.5 | V, P | |
1989b | 111P | P/Helin-Roman-Crockett | Jan 02, 1989 | Sep 13, 1988 | 3.47 | 14.0 | 1.0 | P | |
1989e | C/1989 A5 | Shoemaker | Jan 13, 1989 | Feb 26, 1989 | 2.64 | 13.5 | 1.0 | V, P | |
1989j | 121P | P/Shoemaker-Holt 2 | Mar 09, 1989 | Aug 07, 1988 | 2.64 | 13.5 | 0.8 | P | |
1989n | 78P | P/Gehrels 2 | Jun 14, 1989 | Nov 03, 1989 | 2.35 | 13.5 | 0.7 | P | |
1989o | 23P | P/Brorsen-Metcalf | Jul 04, 1989 | Sep 11, 1989 | 0.48 | 5.6 | 12 | V, P | |
1989p | 93P | P/Lovas 1 | Jul 07, 1989 | Oct 10, 1989 | 1.68 | 13.0 | 0.8 | P | |
1989r | C/1989 Q1 | Okazaki-Levy-Rudenko | Aug 25, 1989 | Nov 11, 1989 | 0.64 | 5.7 | 8 | V, P | |
1989s | C/1989 R1 | Helin-Roman | Sep 04, 1989 | Aug 20, 1989 | 1.32 | 13.0 | 1.5 | V, P | |
1989v | C/1989 T1 | Helin-Roman-Alu | Oct 01, 1989 | Dec 15, 1989 | 1.05 | 9.8 | 4.5 | V, P | |
1989a1 | C/1989 W1 | Aarseth-Brewington | Nov 16, 1989 | Dec 27, 1989 | 0.30 | 3.0 | 5.0 | V, P | |
1989e1 | C/1989 Y1 | Skorichenko-George | Dec 18, 1989 | Apr 11, 1990 | 1.57 | 8.7 | 3.0 | V, P | |
29P | P/Schwassmann-Wachmann 1 | - | Sep 12, 1989 | 5.76 | 12.5 | 1.0 | V, P | ||
65P | P/Gunn | - | Sep 24, 1989 | 2.47 | 12.5 | 1.0 | V, P |
Andreas Kammerer