COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2454 of 3133
Number of active associations:
(total includes noncontributing associations)
17 of 18
Number of active countries:
(total includes noncontributing countries)
77 of 249
Number of observed comets:
(total is number of comets in COBS database)
1672 of 2588
Total number of observations: 290521
Visual Observations: 229294
CCD Observations: 61227
Comet type Total Visual CCD
Year Total Visual CCD Obs
Comet Total Visual CCD Obs
Observer Total Visual CCD Obs
Association Total Visual CCD Obs
Country Total Visual CCD Obs Abb