COBS Statistics page

Total
Number of active observers:
(total includes noncontributing observers)
2410 of 2974
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)
1550 of 2397
Total number of observations: 270770
Visual Observations: 223411
CCD Observations: 47359
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