| Total | |
|---|---|
| Number of active observers: (total includes noncontributing observers) |
172 of 3237 |
| Number of active associations: (total includes noncontributing associations) |
14 of 18 |
| Number of active countries: (total includes noncontributing countries) |
33 of 249 |
| Number of observed comets: (total is number of comets in COBS database) |
30 of 2618 |
| Total number of observations: | 1706 |
| Visual Observations: | 1621 |
| CCD Observations: | 85 |
| Comet type | Total | Visual | CCD |
|---|