COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2415 of 2972
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)
1472 of 2300
Total number of observations: 259473
Visual Observations: 218260
CCD Observations: 41213
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