| Ephemeris for Mercury
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2017  12  29 | 19:00 | 12 days |   16  59  52 | -20  25  44 | 05:23 | 10:08 | 14:53 | -0.32 | 06:28 until 06:43 | Ophiuchus
| 2017  12  30 | 19:00 | 13 days |   17  03  26 | -20  38  51 | 05:24 | 10:07 | 14:51 | -0.34 | 06:28 until 06:43 | Ophiuchus
| 2017  12  31 | 19:00 | 14 days |   17  07  20 | -20  52  18 | 05:24 | 10:07 | 14:50 | -0.35 | 06:29 until 06:44 | Ophiuchus
| 2018  01  01 | 19:00 | 15 days |   17  11  29 | -21  05  55 | 05:25 | 10:07 | 14:49 | -0.35 | 06:30 until 06:44 | Ophiuchus
| 2018  01  02 | 19:00 | 16 days |   17  15  54 | -21  19  30 | 05:27 | 10:07 | 14:48 | -0.35 | 06:31 until 06:44 | Ophiuchus
| 2018  01  03 | 19:00 | 17 days |   17  20  32 | -21  32  56 | 05:28 | 10:08 | 14:48 | -0.35 | 06:33 until 06:44 | Ophiuchus
| 2018  01  04 | 19:00 | 18 days |   17  25  22 | -21  46  03 | 05:30 | 10:09 | 14:48 | -0.34 | 06:35 until 06:44 | Ophiuchus
| 2018  01  05 | 19:00 | 19 days |   17  30  23 | -21  58  44 | 05:32 | 10:10 | 14:48 | -0.34 | 06:37 until 06:44 | Ophiuchus
| 2018  01  06 | 19:00 | 20 days |   17  35  34 | -22  10  54 | 05:34 | 10:11 | 14:48 | -0.33 | 06:40 until 06:44 | Ophiuchus
| 2018  01  07 | 19:00 | 21 days |   17  40  54 | -22  22  27 | 05:36 | 10:12 | 14:48 | -0.32 | 06:42 until 06:44 | Ophiuchus
| 2018  01  08 | 19:00 | 22 days |   17  46  22 | -22  33  17 | 05:38 | 10:13 | 14:49 | -0.32 |    Not observable | Sagittarius
| 2018  01  09 | 19:00 | 23 days |   17  51  58 | -22  43  20 | 05:41 | 10:15 | 14:49 | -0.31 |    Not observable | Sagittarius
| 2018  01  10 | 19:00 | 24 days |   17  57  40 | -22  52  32 | 05:43 | 10:17 | 14:50 | -0.30 |    Not observable | Sagittarius
| 2018  01  11 | 19:00 | 25 days |   18  03  29 | -23  00  50 | 05:46 | 10:18 | 14:51 | -0.30 |    Not observable | Sagittarius
| 2018  01  12 | 19:00 | 26 days |   18  09  23 | -23  08  11 | 05:48 | 10:20 | 14:53 | -0.30 |    Not observable | Sagittarius
| 2018  01  13 | 19:00 | 27 days |   18  15  22 | -23  14  32 | 05:51 | 10:22 | 14:54 | -0.29 |    Not observable | Sagittarius
| 2018  01  14 | 19:00 | 28 days |   18  21  26 | -23  19  49 | 05:53 | 10:24 | 14:56 | -0.29 |    Not observable | Sagittarius
| 2018  01  15 | 19:00 | 29 days |   18  27  34 | -23  24  02 | 05:56 | 10:26 | 14:57 | -0.29 |    Not observable | Sagittarius
| 2018  01  16 | 19:00 | 30 days |   18  33  47 | -23  27  08 | 05:58 | 10:29 | 14:59 | -0.30 |    Not observable | Sagittarius
| 2018  01  17 | 19:00 | 01 days |   18  40  03 | -23  29  04 | 06:01 | 10:31 | 15:01 | -0.30 |    Not observable | Sagittarius
| 2018  01  18 | 19:00 | 02 days |   18  46  22 | -23  29  51 | 06:03 | 10:33 | 15:03 | -0.31 |    Not observable | Sagittarius
| 2018  01  19 | 19:00 | 03 days |   18  52  45 | -23  29  25 | 06:05 | 10:36 | 15:06 | -0.31 |    Not observable | Sagittarius
| 2018  01  20 | 19:00 | 04 days |   18  59  10 | -23  27  45 | 06:08 | 10:38 | 15:08 | -0.32 |    Not observable | Sagittarius
| 2018  01  21 | 19:00 | 05 days |   19  05  38 | -23  24  51 | 06:10 | 10:41 | 15:11 | -0.34 |    Not observable | Sagittarius
| 2018  01  22 | 19:00 | 06 days |   19  12  09 | -23  20  41 | 06:12 | 10:43 | 15:14 | -0.35 |    Not observable | Sagittarius
|
| 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/>