| Total | |
|---|---|
| Number of active observers: (total includes noncontributing observers) |
72 of 3318 |
| Number of active associations: (total includes noncontributing associations) |
4 of 18 |
| Number of observed comets: (total is number of comets in COBS database) |
722 of 2694 |
| Total number of observations: | 7001 |
| Visual Observations: | 4431 |
| CCD Observations: | 2570 |
| 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 |
|---|