Click Submit to distplay statistics for the complete database or select a comet from the list for individual comet observations statistics.
Click Submit to distplay statistics for the complete database or select a comet from the list for individual comet observations statistics.
Total: |
|
---|---|
Number of active observers: (total includes noncontributing observers) |
89 of 2630 |
Number of active associations: (total includes noncontributing associations) |
2 of 16 |
Number of observed comets: (total is number of comets in COBS database) |
481 of 1761 |
Total number of observations: |
21823 |
- Visual Observations: |
13830 |
- CCD Observations: |
7993 |
Observed comets: (481) |
Total: |
Visual: |
CCD: |
---|---|---|---|
Short-period comets: (151) |
7167 | 4336 | 2831 |
One-apparition Short-period comets: (38) |
484 | 198 | 286 |
Long-period comets: (292) |
14172 | 9296 | 4876 |
Most observed comets: |
Total: |
Visual: |
CCD: |
---|---|---|---|
832 | 832 | 0 | |
799 | 235 | 564 | |
613 | 387 | 226 | |
504 | 275 | 229 | |
423 | 356 | 67 | |
407 | 407 | 0 | |
406 | 299 | 107 | |
394 | 144 | 250 | |
326 | 259 | 67 | |
300 | 300 | 0 |
Top observers: |
Total: |
Visual: |
CCD: |
---|---|---|---|
6937 | 3452 | 3485 | |
3653 | 3653 | 0 | |
3053 | 0 | 3053 | |
1934 | 1426 | 508 | |
715 | 715 | 0 | |
704 | 704 | 0 | |
601 | 601 | 0 | |
557 | 0 | 557 | |
458 | 458 | 0 | |
412 | 412 | 0 |
Top Associations: |
Total: |
Visual: |
CCD: |
---|---|---|---|
18168 | 10175 | 7993 | |
3655 | 3655 | 0 |
Year: |
Total: |
Visual: |
CCD: |
---|---|---|---|
2019 | 22 | 9 | 13 |
2018 | 351 | 116 | 235 |
2017 | 322 | 207 | 115 |
2016 | 117 | 117 | 0 |
2015 | 250 | 214 | 36 |
2014 | 303 | 196 | 107 |
2013 | 303 | 231 | 72 |
2012 | 462 | 190 | 272 |
2011 | 843 | 765 | 78 |
2010 | 627 | 339 | 288 |
2009 | 870 | 305 | 565 |
2008 | 227 | 138 | 89 |
2007 | 627 | 286 | 341 |
2006 | 953 | 430 | 523 |
2005 | 1757 | 417 | 1340 |
2004 | 1735 | 636 | 1099 |
2003 | 2068 | 365 | 1703 |
2002 | 1827 | 1106 | 721 |
2001 | 778 | 571 | 207 |
2000 | 685 | 496 | 189 |
1999 | 1117 | 1117 | 0 |
1998 | 1007 | 1007 | 0 |
1997 | 1033 | 1033 | 0 |
1996 | 1294 | 1294 | 0 |
1995 | 318 | 318 | 0 |
1994 | 625 | 625 | 0 |
1993 | 189 | 189 | 0 |
1992 | 197 | 197 | 0 |
1991 | 56 | 56 | 0 |
1990 | 436 | 436 | 0 |
1989 | 53 | 53 | 0 |
1988 | 33 | 33 | 0 |
1987 | 107 | 107 | 0 |
1986 | 1 | 1 | 0 |
1982 | 14 | 14 | 0 |
1981 | 25 | 25 | 0 |
1978 | 3 | 3 | 0 |
1976 | 8 | 8 | 0 |
1961 | 5 | 5 | 0 |
1960 | 18 | 18 | 0 |
1959 | 7 | 7 | 0 |
1958 | 13 | 13 | 0 |
1957 | 97 | 97 | 0 |
1956 | 3 | 3 | 0 |
1955 | 37 | 37 | 0 |