| Total | |
|---|---|
| Number of active observers: (total includes noncontributing observers) |
78 of 3147 |
| Number of active associations: (total includes noncontributing associations) |
7 of 18 |
| Number of active countries: (total includes noncontributing countries) |
20 of 249 |
| Number of observed comets: (total is number of comets in COBS database) |
32 of 2599 |
| Total number of observations: | 1951 |
| Visual Observations: | 1799 |
| CCD Observations: | 152 |
| Comet type | Total | Visual | CCD |
|---|
| 1984 | Total | Visual | CCD | Obs |
|---|
| Comet | Total | Visual | CCD | Obs |
|---|
| Observer | Total | Visual | CCD | Obs |
|---|
| Association | Total | Visual | CCD | Obs |
|---|
| Country | Total | Visual | CCD | Obs |
|---|