| Ephemeris for 8P/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  12  03 | 19:00 | 18 days |   20  23  26 | +36  07  41 | 06:23 | 15:15 | 00:07 | 14.47 | 17:24 until 21:24 | Cygnus
| 2020  12  04 | 19:00 | 19 days |   20  24  30 | +36  01  53 | 06:21 | 15:12 | 00:03 | 14.46 | 17:24 until 21:20 | Cygnus
| 2020  12  05 | 19:00 | 20 days |   20  25  34 | +35  56  14 | 06:18 | 15:09 | 00:00 | 14.45 | 17:24 until 21:17 | Cygnus
| 2020  12  06 | 19:00 | 21 days |   20  26  39 | +35  50  44 | 06:16 | 15:06 | 23:56 | 14.44 | 17:24 until 21:14 | Cygnus
| 2020  12  07 | 19:00 | 22 days |   20  27  45 | +35  45  23 | 06:14 | 15:03 | 23:53 | 14.43 | 17:24 until 21:11 | Cygnus
| 2020  12  08 | 19:00 | 23 days |   20  28  52 | +35  40  11 | 06:12 | 15:01 | 23:49 | 14.42 | 17:24 until 21:08 | Cygnus
| 2020  12  09 | 19:00 | 24 days |   20  30  00 | +35  35  08 | 06:10 | 14:58 | 23:46 | 14.41 | 17:24 until 21:05 | Cygnus
| 2020  12  10 | 19:00 | 25 days |   20  31  09 | +35  30  15 | 06:08 | 14:55 | 23:43 | 14.40 | 17:24 until 21:01 | Cygnus
| 2020  12  11 | 19:00 | 26 days |   20  32  19 | +35  25  30 | 06:05 | 14:52 | 23:39 | 14.39 | 17:24 until 20:58 | Cygnus
| 2020  12  12 | 19:00 | 27 days |   20  33  30 | +35  20  56 | 06:03 | 14:50 | 23:36 | 14.38 | 17:24 until 20:55 | Cygnus
| 2020  12  13 | 19:00 | 28 days |   20  34  42 | +35  16  30 | 06:01 | 14:47 | 23:33 | 14.37 | 17:24 until 20:52 | Cygnus
| 2020  12  14 | 19:00 | 00 days |   20  35  54 | +35  12  14 | 05:59 | 14:44 | 23:29 | 14.36 | 17:25 until 20:49 | Cygnus
| 2020  12  15 | 19:00 | 01 days |   20  37  08 | +35  08  08 | 05:57 | 14:41 | 23:26 | 14.35 | 17:25 until 20:46 | Cygnus
| 2020  12  16 | 19:00 | 02 days |   20  38  22 | +35  04  11 | 05:54 | 14:39 | 23:23 | 14.34 | 17:25 until 20:43 | Cygnus
| 2020  12  17 | 19:00 | 03 days |   20  39  37 | +35  00  23 | 05:52 | 14:36 | 23:20 | 14.33 | 17:26 until 20:41 | Cygnus
| 2020  12  18 | 19:00 | 04 days |   20  40  54 | +34  56  46 | 05:50 | 14:33 | 23:17 | 14.32 | 17:26 until 20:38 | Cygnus
| 2020  12  19 | 19:00 | 05 days |   20  42  10 | +34  53  18 | 05:48 | 14:31 | 23:14 | 14.31 | 17:27 until 20:35 | Cygnus
| 2020  12  20 | 19:00 | 06 days |   20  43  28 | +34  50  00 | 05:45 | 14:28 | 23:11 | 14.30 | 17:27 until 20:32 | Cygnus
| 2020  12  21 | 19:00 | 07 days |   20  44  47 | +34  46  51 | 05:43 | 14:25 | 23:08 | 14.29 | 17:28 until 20:29 | Cygnus
| 2020  12  22 | 19:00 | 08 days |   20  46  06 | +34  43  52 | 05:41 | 14:23 | 23:05 | 14.28 | 17:28 until 20:26 | Cygnus
| 2020  12  23 | 19:00 | 09 days |   20  47  27 | +34  41  03 | 05:39 | 14:20 | 23:02 | 14.27 | 17:29 until 20:24 | Cygnus
| 2020  12  24 | 19:00 | 10 days |   20  48  48 | +34  38  23 | 05:36 | 14:18 | 22:59 | 14.26 | 17:29 until 20:21 | Cygnus
| 2020  12  25 | 19:00 | 10 days |   20  50  10 | +34  35  54 | 05:34 | 14:15 | 22:56 | 14.25 | 17:30 until 20:18 | Cygnus
| 2020  12  26 | 19:00 | 11 days |   20  51  32 | +34  33  33 | 05:32 | 14:12 | 22:53 | 14.24 | 17:30 until 20:15 | Cygnus
| 2020  12  27 | 19:00 | 12 days |   20  52  56 | +34  31  23 | 05:30 | 14:10 | 22:50 | 14.23 | 17:31 until 20:13 | Cygnus
|
| 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/>