COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2434 of 3040
Number of active associations:
(total includes noncontributing associations)
17 of 18
Number of active countries:
(total includes noncontributing countries)
74 of 249
Number of observed comets:
(total is number of comets in COBS database)
1603 of 2480
Total number of observations: 280349
Visual Observations: 227018
CCD Observations: 53331
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