| Ephemeris for 21P/Giacobini-Zinner
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2019  07  21 | 20:00 | 19 days |   09  04  01 | -04  02  09 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:01 | 19 days |   09  04  01 | -04  02  09 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:02 | 19 days |   09  04  01 | -04  02  09 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:03 | 19 days |   09  04  01 | -04  02  09 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:04 | 19 days |   09  04  01 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:05 | 19 days |   09  04  01 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:06 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:07 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:08 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:09 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:10 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:11 | 19 days |   09  04  02 | -04  02  10 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:12 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:13 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:14 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:15 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:16 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:17 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:18 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:19 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:20 | 19 days |   09  04  02 | -04  02  11 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:21 | 19 days |   09  04  02 | -04  02  12 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:22 | 19 days |   09  04  02 | -04  02  12 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:23 | 19 days |   09  04  02 | -04  02  12 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
| 2019  07  21 | 20:24 | 19 days |   09  04  02 | -04  02  12 | 08:49 | 14:39 | 20:28 | 20.30 |    Not observable | Hydra
|
| All times computed for Columbus (latitude 39.96; longitude -83.00)
|      and expressed in Columbus time.
|
| Ephemeris computed by Dominic Ford.
| <https://in-the-sky.org/>