| 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.  |                   |
|
| 1981  07  26 | 20:00 | 24 days |   06  26  34 | +23  52  27 | 03:12 | 10:51 | 18:30 |  1.57 | 04:36 until 04:37 | Gemini
| 1981  07  27 | 20:00 | 26 days |   06  29  29 | +23  51  09 | 03:11 | 10:50 | 18:29 |  1.57 | 04:35 until 04:38 | Gemini
| 1981  07  28 | 20:00 | 27 days |   06  32  24 | +23  49  38 | 03:10 | 10:49 | 18:28 |  1.58 | 04:34 until 04:39 | Gemini
| 1981  07  29 | 20:00 | 28 days |   06  35  19 | +23  47  55 | 03:09 | 10:48 | 18:27 |  1.58 | 04:33 until 04:41 | Gemini
| 1981  07  30 | 20:00 | 29 days |   06  38  13 | +23  46  01 | 03:09 | 10:47 | 18:26 |  1.58 | 04:32 until 04:42 | Gemini
| 1981  07  31 | 20:00 | 00 days |   06  41  07 | +23  43  55 | 03:08 | 10:46 | 18:24 |  1.58 | 04:31 until 04:43 | Gemini
| 1981  08  01 | 20:00 | 01 days |   06  44  01 | +23  41  37 | 03:07 | 10:45 | 18:23 |  1.58 | 04:30 until 04:44 | Gemini
| 1981  08  02 | 20:00 | 02 days |   06  46  54 | +23  39  07 | 03:06 | 10:44 | 18:22 |  1.58 | 04:29 until 04:45 | Gemini
| 1981  08  03 | 20:00 | 03 days |   06  49  47 | +23  36  26 | 03:05 | 10:43 | 18:21 |  1.59 | 04:29 until 04:47 | Gemini
| 1981  08  04 | 20:00 | 04 days |   06  52  40 | +23  33  34 | 03:04 | 10:42 | 18:20 |  1.59 | 04:28 until 04:48 | Gemini
| 1981  08  05 | 20:00 | 05 days |   06  55  32 | +23  30  30 | 03:03 | 10:41 | 18:18 |  1.59 | 04:27 until 04:49 | Gemini
| 1981  08  06 | 20:00 | 06 days |   06  58  24 | +23  27  16 | 03:03 | 10:40 | 18:17 |  1.59 | 04:26 until 04:50 | Gemini
| 1981  08  07 | 20:00 | 07 days |   07  01  16 | +23  23  49 | 03:02 | 10:39 | 18:16 |  1.59 | 04:25 until 04:51 | Gemini
| 1981  08  08 | 20:00 | 08 days |   07  04  07 | +23  20  12 | 03:01 | 10:38 | 18:14 |  1.59 | 04:24 until 04:53 | Gemini
| 1981  08  09 | 20:00 | 09 days |   07  06  58 | +23  16  24 | 03:00 | 10:37 | 18:13 |  1.59 | 04:23 until 04:54 | Gemini
| 1981  08  10 | 20:00 | 10 days |   07  09  49 | +23  12  25 | 02:59 | 10:35 | 18:11 |  1.60 | 04:23 until 04:55 | Gemini
| 1981  08  11 | 20:00 | 11 days |   07  12  39 | +23  08  15 | 02:59 | 10:34 | 18:10 |  1.60 | 04:22 until 04:56 | Gemini
| 1981  08  12 | 20:00 | 12 days |   07  15  28 | +23  03  55 | 02:58 | 10:33 | 18:09 |  1.60 | 04:21 until 04:58 | Gemini
| 1981  08  13 | 20:00 | 13 days |   07  18  18 | +22  59  24 | 02:57 | 10:32 | 18:07 |  1.60 | 04:20 until 04:59 | Gemini
| 1981  08  14 | 20:00 | 14 days |   07  21  06 | +22  54  42 | 02:56 | 10:31 | 18:06 |  1.60 | 04:19 until 05:00 | Gemini
| 1981  08  15 | 20:00 | 15 days |   07  23  55 | +22  49  51 | 02:56 | 10:30 | 18:04 |  1.60 | 04:18 until 05:01 | Gemini
| 1981  08  16 | 20:00 | 16 days |   07  26  43 | +22  44  48 | 02:55 | 10:29 | 18:03 |  1.60 | 04:18 until 05:03 | Gemini
| 1981  08  17 | 20:00 | 17 days |   07  29  30 | +22  39  36 | 02:54 | 10:28 | 18:01 |  1.60 | 04:17 until 05:04 | Gemini
| 1981  08  18 | 20:00 | 18 days |   07  32  18 | +22  34  14 | 02:53 | 10:26 | 18:00 |  1.60 | 04:16 until 05:05 | Gemini
| 1981  08  19 | 20:00 | 19 days |   07  35  04 | +22  28  42 | 02:53 | 10:25 | 17:58 |  1.60 | 04:15 until 05:06 | 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/>