| 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  31 | 20:00 | 00 days |   06  41  07 | +23  43  55 | 04:03 | 11:34 | 19:04 |  1.58 | 05:23 until 05:39 | Gemini
| 1981  08  01 | 20:00 | 01 days |   06  44  01 | +23  41  37 | 04:03 | 11:32 | 19:02 |  1.58 | 05:22 until 05:40 | Gemini
| 1981  08  02 | 20:00 | 02 days |   06  46  54 | +23  39  07 | 04:02 | 11:31 | 19:01 |  1.58 | 05:22 until 05:41 | Gemini
| 1981  08  03 | 20:00 | 03 days |   06  49  47 | +23  36  26 | 04:01 | 11:30 | 19:00 |  1.59 | 05:21 until 05:42 | Gemini
| 1981  08  04 | 20:00 | 04 days |   06  52  40 | +23  33  34 | 04:00 | 11:29 | 18:59 |  1.59 | 05:20 until 05:44 | Gemini
| 1981  08  05 | 20:00 | 05 days |   06  55  32 | +23  30  30 | 03:59 | 11:28 | 18:57 |  1.59 | 05:19 until 05:45 | Gemini
| 1981  08  06 | 20:00 | 06 days |   06  58  24 | +23  27  16 | 03:58 | 11:27 | 18:56 |  1.59 | 05:18 until 05:46 | Gemini
| 1981  08  07 | 20:00 | 07 days |   07  01  16 | +23  23  49 | 03:57 | 11:26 | 18:55 |  1.59 | 05:17 until 05:47 | Gemini
| 1981  08  08 | 20:00 | 08 days |   07  04  07 | +23  20  12 | 03:57 | 11:25 | 18:54 |  1.59 | 05:16 until 05:48 | Gemini
| 1981  08  09 | 20:00 | 09 days |   07  06  58 | +23  16  24 | 03:56 | 11:24 | 18:52 |  1.59 | 05:15 until 05:49 | Gemini
| 1981  08  10 | 20:00 | 10 days |   07  09  49 | +23  12  25 | 03:55 | 11:23 | 18:51 |  1.60 | 05:15 until 05:50 | Gemini
| 1981  08  11 | 20:00 | 11 days |   07  12  39 | +23  08  15 | 03:54 | 11:22 | 18:49 |  1.60 | 05:14 until 05:51 | Gemini
| 1981  08  12 | 20:00 | 12 days |   07  15  28 | +23  03  55 | 03:53 | 11:21 | 18:48 |  1.60 | 05:13 until 05:52 | Gemini
| 1981  08  13 | 20:00 | 13 days |   07  18  18 | +22  59  24 | 03:53 | 11:20 | 18:47 |  1.60 | 05:12 until 05:53 | Gemini
| 1981  08  14 | 20:00 | 14 days |   07  21  06 | +22  54  42 | 03:52 | 11:18 | 18:45 |  1.60 | 05:11 until 05:55 | Gemini
| 1981  08  15 | 20:00 | 15 days |   07  23  55 | +22  49  51 | 03:51 | 11:17 | 18:44 |  1.60 | 05:10 until 05:56 | Gemini
| 1981  08  16 | 20:00 | 16 days |   07  26  43 | +22  44  48 | 03:50 | 11:16 | 18:42 |  1.60 | 05:09 until 05:57 | Gemini
| 1981  08  17 | 20:00 | 17 days |   07  29  30 | +22  39  36 | 03:49 | 11:15 | 18:41 |  1.60 | 05:09 until 05:58 | Gemini
| 1981  08  18 | 20:00 | 18 days |   07  32  18 | +22  34  14 | 03:49 | 11:14 | 18:39 |  1.60 | 05:08 until 05:59 | Gemini
| 1981  08  19 | 20:00 | 19 days |   07  35  04 | +22  28  42 | 03:48 | 11:13 | 18:38 |  1.60 | 05:07 until 06:00 | Gemini
| 1981  08  20 | 20:00 | 20 days |   07  37  51 | +22  23  00 | 03:47 | 11:12 | 18:36 |  1.60 | 05:06 until 06:01 | Gemini
| 1981  08  21 | 20:00 | 21 days |   07  40  36 | +22  17  08 | 03:46 | 11:10 | 18:35 |  1.60 | 05:05 until 06:02 | Gemini
| 1981  08  22 | 20:00 | 22 days |   07  43  22 | +22  11  06 | 03:46 | 11:09 | 18:33 |  1.60 | 05:04 until 06:03 | Gemini
| 1981  08  23 | 20:00 | 23 days |   07  46  07 | +22  04  55 | 03:45 | 11:08 | 18:31 |  1.60 | 05:04 until 06:04 | Gemini
| 1981  08  24 | 20:00 | 24 days |   07  48  51 | +21  58  35 | 03:44 | 11:07 | 18:30 |  1.60 | 05:03 until 06:05 | Gemini
|
| All times computed for Columbus (latitude 39.96; longitude -83.00)
|      and expressed in Columbus time.
|
| Ephemeris computed by Dominic Ford.
| <https://in-the-sky.org/>