COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2429 of 3027
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)
1592 of 2473
Total number of observations: 277939
Visual Observations: 226108
CCD Observations: 51831
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