COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2419 of 2981
Number of active associations:
(total includes noncontributing associations)
17 of 18
Number of active countries:
(total includes noncontributing countries)
72 of 249
Number of observed comets:
(total is number of comets in COBS database)
1491 of 2339
Total number of observations: 261629
Visual Observations: 218837
CCD Observations: 42792
Comet type Total Visual CCD
Year Total Visual CCD
Comet Total Visual CCD
Observer Total Visual CCD
Association Total Visual CCD
Country Total Visual CCD