| Ephemeris for Mars
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2021  05  08 | 20:00 | 27 days |   06  40  11 | +24  32  49 | 08:32 | 16:14 | 23:57 |  1.61 | 20:43 until 22:32 | Gemini
| 2021  05  09 | 20:00 | 28 days |   06  42  51 | +24  30  03 | 08:31 | 16:13 | 23:55 |  1.62 | 20:45 until 22:31 | Gemini
| 2021  05  10 | 20:00 | 29 days |   06  45  32 | +24  27  07 | 08:30 | 16:12 | 23:54 |  1.62 | 20:46 until 22:29 | Gemini
| 2021  05  11 | 20:00 | 01 days |   06  48  12 | +24  24  00 | 08:29 | 16:11 | 23:52 |  1.63 | 20:47 until 22:28 | Gemini
| 2021  05  12 | 20:00 | 02 days |   06  50  52 | +24  20  43 | 08:28 | 16:09 | 23:51 |  1.64 | 20:49 until 22:26 | Gemini
| 2021  05  13 | 20:00 | 03 days |   06  53  32 | +24  17  16 | 08:27 | 16:08 | 23:49 |  1.64 | 20:50 until 22:24 | Gemini
| 2021  05  14 | 20:00 | 04 days |   06  56  12 | +24  13  39 | 08:26 | 16:07 | 23:48 |  1.65 | 20:51 until 22:23 | Gemini
| 2021  05  15 | 20:00 | 05 days |   06  58  52 | +24  09  52 | 08:25 | 16:05 | 23:46 |  1.65 | 20:53 until 22:21 | Gemini
| 2021  05  16 | 20:00 | 06 days |   07  01  32 | +24  05  55 | 08:24 | 16:04 | 23:45 |  1.66 | 20:54 until 22:20 | Gemini
| 2021  05  17 | 20:00 | 07 days |   07  04  11 | +24  01  47 | 08:23 | 16:03 | 23:43 |  1.66 | 20:55 until 22:18 | Gemini
| 2021  05  18 | 20:00 | 08 days |   07  06  51 | +23  57  30 | 08:22 | 16:02 | 23:41 |  1.67 | 20:57 until 22:17 | Gemini
| 2021  05  19 | 20:00 | 09 days |   07  09  30 | +23  53  03 | 08:21 | 16:00 | 23:40 |  1.67 | 20:58 until 22:15 | Gemini
| 2021  05  20 | 20:00 | 10 days |   07  12  10 | +23  48  26 | 08:20 | 15:59 | 23:38 |  1.68 | 20:59 until 22:13 | Gemini
| 2021  05  21 | 20:00 | 11 days |   07  14  49 | +23  43  39 | 08:19 | 15:58 | 23:36 |  1.69 | 21:01 until 22:12 | Gemini
| 2021  05  22 | 20:00 | 12 days |   07  17  28 | +23  38  42 | 08:18 | 15:57 | 23:35 |  1.69 | 21:02 until 22:10 | Gemini
| 2021  05  23 | 20:00 | 13 days |   07  20  07 | +23  33  35 | 08:17 | 15:55 | 23:33 |  1.70 | 21:03 until 22:08 | Gemini
| 2021  05  24 | 20:00 | 14 days |   07  22  45 | +23  28  19 | 08:17 | 15:54 | 23:31 |  1.70 | 21:04 until 22:07 | Gemini
| 2021  05  25 | 20:00 | 15 days |   07  25  24 | +23  22  53 | 08:16 | 15:53 | 23:30 |  1.71 | 21:05 until 22:05 | Gemini
| 2021  05  26 | 20:00 | 16 days |   07  28  02 | +23  17  17 | 08:15 | 15:51 | 23:28 |  1.71 | 21:06 until 22:03 | Gemini
| 2021  05  27 | 20:00 | 17 days |   07  30  40 | +23  11  32 | 08:14 | 15:50 | 23:26 |  1.71 | 21:08 until 22:02 | Gemini
| 2021  05  28 | 20:00 | 18 days |   07  33  18 | +23  05  38 | 08:13 | 15:49 | 23:24 |  1.72 | 21:09 until 22:00 | Gemini
| 2021  05  29 | 20:00 | 19 days |   07  35  56 | +22  59  33 | 08:12 | 15:47 | 23:23 |  1.72 | 21:10 until 21:58 | Gemini
| 2021  05  30 | 20:00 | 20 days |   07  38  33 | +22  53  20 | 08:11 | 15:46 | 23:21 |  1.73 | 21:11 until 21:56 | Gemini
| 2021  05  31 | 20:00 | 21 days |   07  41  11 | +22  46  57 | 08:11 | 15:45 | 23:19 |  1.73 | 21:12 until 21:55 | Gemini
| 2021  06  01 | 20:00 | 22 days |   07  43  48 | +22  40  24 | 08:10 | 15:43 | 23:17 |  1.74 | 21:13 until 21:53 | Gemini
|
| 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/>