| 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.  |                   |
|
| 1980  12  20 | 19:00 | 13 days |   19  38  06 | −22  40  14 | 08:48 | 13:21 | 17:55 |  1.22 |    Not observable | Sagittarius
| 1980  12  21 | 19:00 | 15 days |   19  41  26 | −22  32  27 | 08:47 | 13:21 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  22 | 19:00 | 16 days |   19  44  45 | −22  24  24 | 08:46 | 13:20 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  23 | 19:00 | 17 days |   19  48  05 | −22  16  05 | 08:44 | 13:20 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  24 | 19:00 | 18 days |   19  51  24 | −22  07  32 | 08:43 | 13:19 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  25 | 19:00 | 19 days |   19  54  42 | −21  58  43 | 08:42 | 13:18 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  26 | 19:00 | 20 days |   19  58  01 | −21  49  40 | 08:40 | 13:18 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  27 | 19:00 | 20 days |   20  01  19 | −21  40  22 | 08:39 | 13:17 | 17:55 |  1.21 |    Not observable | Sagittarius
| 1980  12  28 | 19:00 | 21 days |   20  04  37 | −21  30  49 | 08:38 | 13:16 | 17:55 |  1.20 |    Not observable | Sagittarius
| 1980  12  29 | 19:00 | 22 days |   20  07  54 | −21  21  01 | 08:36 | 13:16 | 17:55 |  1.20 |    Not observable | Capricornus
| 1980  12  30 | 19:00 | 23 days |   20  11  11 | −21  10  59 | 08:35 | 13:15 | 17:55 |  1.20 |    Not observable | Capricornus
| 1980  12  31 | 19:00 | 24 days |   20  14  28 | −21  00  43 | 08:34 | 13:15 | 17:55 |  1.20 |    Not observable | Capricornus
| 1981  01  01 | 19:00 | 25 days |   20  17  44 | −20  50  13 | 08:32 | 13:14 | 17:55 |  1.20 |    Not observable | Capricornus
| 1981  01  02 | 19:00 | 26 days |   20  21  01 | −20  39  28 | 08:31 | 13:13 | 17:56 |  1.20 |    Not observable | Capricornus
| 1981  01  03 | 19:00 | 27 days |   20  24  16 | −20  28  30 | 08:29 | 13:13 | 17:56 |  1.20 |    Not observable | Capricornus
| 1981  01  04 | 19:00 | 28 days |   20  27  32 | −20  17  18 | 08:28 | 13:12 | 17:56 |  1.19 |    Not observable | Capricornus
| 1981  01  05 | 19:00 | 29 days |   20  30  47 | −20  05  53 | 08:26 | 13:11 | 17:56 |  1.19 |    Not observable | Capricornus
| 1981  01  06 | 19:00 | 00 days |   20  34  01 | −19  54  14 | 08:25 | 13:10 | 17:56 |  1.19 |    Not observable | Capricornus
| 1981  01  07 | 19:00 | 01 days |   20  37  16 | −19  42  22 | 08:23 | 13:10 | 17:56 |  1.19 |    Not observable | Capricornus
| 1981  01  08 | 19:00 | 02 days |   20  40  30 | −19  30  17 | 08:22 | 13:09 | 17:56 |  1.19 |    Not observable | Capricornus
| 1981  01  09 | 19:00 | 03 days |   20  43  43 | −19  17  59 | 08:20 | 13:08 | 17:57 |  1.19 |    Not observable | Capricornus
| 1981  01  10 | 19:00 | 04 days |   20  46  56 | −19  05  29 | 08:19 | 13:08 | 17:57 |  1.19 |    Not observable | Capricornus
| 1981  01  11 | 19:00 | 05 days |   20  50  09 | −18  52  46 | 08:17 | 13:07 | 17:57 |  1.18 |    Not observable | Capricornus
| 1981  01  12 | 19:00 | 06 days |   20  53  21 | −18  39  50 | 08:15 | 13:06 | 17:57 |  1.18 |    Not observable | Capricornus
| 1981  01  13 | 19:00 | 08 days |   20  56  33 | −18  26  43 | 08:14 | 13:05 | 17:57 |  1.18 |    Not observable | Capricornus
|
| 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/>