| Total | |
|---|---|
| Number of active observers: (total includes noncontributing observers) |
96 of 3134 |
| Number of active associations: (total includes noncontributing associations) |
13 of 18 |
| Number of active countries: (total includes noncontributing countries) |
27 of 249 |
| Number of observed comets: (total is number of comets in COBS database) |
133 of 2594 |
| Total number of observations: | 5274 |
| Visual Observations: | 2126 |
| CCD Observations: | 3148 |
| Comet type | Total | Visual | CCD |
|---|
| 2019 | Total | Visual | CCD | Obs |
|---|
| Comet | Total | Visual | CCD | Obs |
|---|
| Observer | Total | Visual | CCD | Obs |
|---|
| Association | Total | Visual | CCD | Obs |
|---|
| Country | Total | Visual | CCD | Obs |
|---|