| Total | |
|---|---|
| Number of active observers: (total includes noncontributing observers) |
44 of 3320 |
| Number of active associations: (total includes noncontributing associations) |
3 of 18 |
| Number of active countries: (total includes noncontributing countries) |
11 of 249 |
| Number of observed comets: (total is number of comets in COBS database) |
4 of 2694 |
| Total number of observations: | 394 |
| Visual Observations: | 394 |
| CCD Observations: | 0 |
| Comet type | Total | Visual | CCD |
|---|
| 1964 | Total | Visual | CCD | Obs |
|---|
| Comet | Total | Visual | CCD | Obs |
|---|
| Observer | Total | Visual | CCD | Obs |
|---|
| Association | Total | Visual | CCD | Obs |
|---|
| Country | Total | Visual | CCD | Obs |
|---|