| Ephemeris for 109P/Swift-Tuttle
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2020  07  14 | 20:00 | 23 days |   09  37  32 | -19  38  58 | 10:02 | 14:49 | 19:36 |  --   | 10:02 until 19:36 | Hydra
| 2020  07  15 | 20:00 | 24 days |   09  37  37 | -19  38  52 | 09:58 | 14:45 | 19:33 |  --   | 09:58 until 19:33 | Hydra
| 2020  07  16 | 20:00 | 25 days |   09  37  42 | -19  38  47 | 09:54 | 14:41 | 19:29 |  --   | 09:54 until 19:29 | Hydra
| 2020  07  17 | 20:00 | 26 days |   09  37  47 | -19  38  43 | 09:50 | 14:38 | 19:25 |  --   | 09:50 until 19:25 | Hydra
| 2020  07  18 | 20:00 | 27 days |   09  37  53 | -19  38  40 | 09:46 | 14:34 | 19:21 |  --   | 09:46 until 19:21 | Hydra
| 2020  07  19 | 20:00 | 28 days |   09  37  58 | -19  38  38 | 09:42 | 14:30 | 19:17 |  --   | 09:42 until 19:17 | Hydra
| 2020  07  20 | 20:00 | 00 days |   09  38  03 | -19  38  37 | 09:39 | 14:26 | 19:13 |  --   | 09:39 until 19:13 | Hydra
| 2020  07  21 | 20:00 | 01 days |   09  38  09 | -19  38  37 | 09:35 | 14:22 | 19:10 |  --   | 09:35 until 19:10 | Hydra
| 2020  07  22 | 20:00 | 02 days |   09  38  14 | -19  38  37 | 09:31 | 14:18 | 19:06 |  --   | 09:31 until 19:06 | Hydra
| 2020  07  23 | 20:00 | 03 days |   09  38  20 | -19  38  39 | 09:27 | 14:14 | 19:02 |  --   | 09:27 until 19:02 | Hydra
| 2020  07  24 | 20:00 | 04 days |   09  38  25 | -19  38  41 | 09:23 | 14:11 | 18:58 |  --   | 09:23 until 18:58 | Hydra
| 2020  07  25 | 20:00 | 05 days |   09  38  31 | -19  38  45 | 09:19 | 14:07 | 18:54 |  --   | 09:19 until 18:54 | Hydra
| 2020  07  26 | 20:00 | 06 days |   09  38  36 | -19  38  49 | 09:16 | 14:03 | 18:50 |  --   | 09:16 until 18:50 | Hydra
| 2020  07  27 | 20:00 | 07 days |   09  38  42 | -19  38  54 | 09:12 | 13:59 | 18:47 |  --   | 09:12 until 18:47 | Hydra
| 2020  07  28 | 20:00 | 08 days |   09  38  47 | -19  39  00 | 09:08 | 13:55 | 18:43 |  --   | 09:08 until 18:43 | Hydra
| 2020  07  29 | 20:00 | 10 days |   09  38  53 | -19  39  07 | 09:04 | 13:51 | 18:39 |  --   | 09:04 until 18:39 | Hydra
| 2020  07  30 | 20:00 | 11 days |   09  38  58 | -19  39  15 | 09:00 | 13:48 | 18:35 |  --   | 09:00 until 18:35 | Hydra
| 2020  07  31 | 20:00 | 12 days |   09  39  04 | -19  39  23 | 08:56 | 13:44 | 18:31 |  --   | 08:56 until 18:31 | Hydra
| 2020  08  01 | 20:00 | 13 days |   09  39  10 | -19  39  33 | 08:53 | 13:40 | 18:27 |  --   | 08:53 until 18:27 | Hydra
| 2020  08  02 | 20:00 | 14 days |   09  39  16 | -19  39  43 | 08:49 | 13:36 | 18:23 |  --   | 08:49 until 18:23 | Hydra
| 2020  08  03 | 20:00 | 15 days |   09  39  21 | -19  39  54 | 08:45 | 13:32 | 18:20 |  --   | 08:45 until 18:20 | Hydra
| 2020  08  04 | 20:00 | 16 days |   09  39  27 | -19  40  07 | 08:41 | 13:28 | 18:16 |  --   | 08:41 until 18:16 | Hydra
| 2020  08  05 | 20:00 | 16 days |   09  39  33 | -19  40  20 | 08:37 | 13:25 | 18:12 |  --   | 08:37 until 18:12 | Hydra
| 2020  08  06 | 20:00 | 17 days |   09  39  39 | -19  40  33 | 08:33 | 13:21 | 18:08 |  --   | 08:33 until 18:08 | Hydra
| 2020  08  07 | 20:00 | 18 days |   09  39  44 | -19  40  48 | 08:30 | 13:17 | 18:04 |  --   | 08:30 until 18:04 | Hydra
|
| All times computed for Cambridge (latitude 42.38; longitude -71.11)
|      and expressed in Cambridge time.
|
| Ephemeris computed by Dominic Ford.
| <https://in-the-sky.org/>