| 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. | | | | 2018 12 07 | 19:00 | 01 days | 15 41 54 | -16 51 53 | 05:21 | 10:20 | 15:19 | 0.04 | Not observable | Libra | 2018 12 08 | 19:00 | 02 days | 15 42 58 | -16 56 01 | 05:18 | 10:17 | 15:16 | -0.11 | 06:23 until 06:26 | Libra | 2018 12 09 | 19:00 | 03 days | 15 44 36 | -17 03 19 | 05:15 | 10:14 | 15:13 | -0.22 | 06:19 until 06:29 | Libra | 2018 12 10 | 19:00 | 04 days | 15 46 46 | -17 13 22 | 05:14 | 10:12 | 15:10 | -0.31 | 06:16 until 06:31 | Libra | 2018 12 11 | 19:00 | 05 days | 15 49 24 | -17 25 45 | 05:13 | 10:10 | 15:08 | -0.37 | 06:14 until 06:33 | Libra | 2018 12 12 | 19:00 | 06 days | 15 52 27 | -17 40 05 | 05:12 | 10:09 | 15:05 | -0.41 | 06:13 until 06:35 | Libra | 2018 12 13 | 19:00 | 07 days | 15 55 53 | -17 56 02 | 05:12 | 10:08 | 15:04 | -0.44 | 06:13 until 06:36 | Libra | 2018 12 14 | 19:00 | 08 days | 15 59 39 | -18 13 15 | 05:13 | 10:08 | 15:02 | -0.46 | 06:13 until 06:37 | Libra | 2018 12 15 | 19:00 | 09 days | 16 03 43 | -18 31 27 | 05:14 | 10:07 | 15:01 | -0.47 | 06:14 until 06:38 | Scorpius | 2018 12 16 | 19:00 | 10 days | 16 08 04 | -18 50 21 | 05:16 | 10:08 | 15:00 | -0.48 | 06:16 until 06:39 | Scorpius | 2018 12 17 | 19:00 | 11 days | 16 12 38 | -19 09 45 | 05:18 | 10:08 | 14:59 | -0.48 | 06:18 until 06:39 | Scorpius | 2018 12 18 | 19:00 | 12 days | 16 17 26 | -19 29 25 | 05:20 | 10:09 | 14:58 | -0.47 | 06:21 until 06:40 | Scorpius | 2018 12 19 | 19:00 | 13 days | 16 22 25 | -19 49 10 | 05:22 | 10:10 | 14:57 | -0.47 | 06:23 until 06:40 | Scorpius | 2018 12 20 | 19:00 | 14 days | 16 27 35 | -20 08 51 | 05:24 | 10:11 | 14:57 | -0.46 | 06:26 until 06:41 | Ophiuchus | 2018 12 21 | 19:00 | 15 days | 16 32 54 | -20 28 19 | 05:27 | 10:12 | 14:57 | -0.45 | 06:29 until 06:41 | Ophiuchus | 2018 12 22 | 19:00 | 16 days | 16 38 21 | -20 47 27 | 05:30 | 10:13 | 14:57 | -0.45 | 06:32 until 06:42 | Ophiuchus | 2018 12 23 | 19:00 | 17 days | 16 43 56 | -21 06 08 | 05:33 | 10:15 | 14:57 | -0.44 | 06:36 until 06:42 | Ophiuchus | 2018 12 24 | 19:00 | 18 days | 16 49 38 | -21 24 15 | 05:36 | 10:17 | 14:57 | -0.43 | 06:39 until 06:43 | Ophiuchus | 2018 12 25 | 19:00 | 19 days | 16 55 27 | -21 41 45 | 05:39 | 10:18 | 14:58 | -0.42 | Not observable | Ophiuchus | 2018 12 26 | 19:00 | 20 days | 17 01 21 | -21 58 31 | 05:42 | 10:20 | 14:58 | -0.42 | Not observable | Ophiuchus | 2018 12 27 | 19:00 | 21 days | 17 07 21 | -22 14 30 | 05:45 | 10:22 | 14:59 | -0.42 | Not observable | Ophiuchus | 2018 12 28 | 19:00 | 22 days | 17 13 26 | -22 29 39 | 05:49 | 10:24 | 15:00 | -0.41 | Not observable | Ophiuchus | 2018 12 29 | 19:00 | 23 days | 17 19 35 | -22 43 54 | 05:52 | 10:26 | 15:01 | -0.41 | Not observable | Ophiuchus | 2018 12 30 | 19:00 | 24 days | 17 25 49 | -22 57 11 | 05:55 | 10:29 | 15:02 | -0.41 | Not observable | Ophiuchus | 2018 12 31 | 19:00 | 25 days | 17 32 06 | -23 09 28 | 05:58 | 10:31 | 15:03 | -0.42 | Not observable | Ophiuchus | | All times computed for Cambridge (latitude 42.38; longitude -71.11) | and expressed in Cambridge time. | | Ephemeris computed by Dominic Ford. |