COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2469 of 3233
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)
1716 of 2618
Total number of observations: 295027
Visual Observations: 230253
CCD Observations: 64774
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