| 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  04  12 | 19:00 | 27 days |   09  58  30 | +15  18  50 | 13:15 | 20:17 | 03:18 | -0.21 | 18:51 until 02:21 | Leo
| 1980  04  13 | 19:00 | 28 days |   09  58  46 | +15  14  51 | 13:12 | 20:13 | 03:14 | -0.19 | 18:53 until 02:17 | Leo
| 1980  04  14 | 19:00 | 29 days |   09  59  05 | +15  10  39 | 13:08 | 20:09 | 03:10 | -0.17 | 18:54 until 02:13 | Leo
| 1980  04  15 | 19:00 | 00 days |   09  59  26 | +15  06  15 | 13:05 | 20:06 | 03:06 | -0.15 | 18:56 until 02:08 | Leo
| 1980  04  16 | 19:00 | 02 days |   09  59  50 | +15  01  38 | 13:02 | 20:02 | 03:02 | -0.12 | 18:57 until 02:04 | Leo
| 1980  04  17 | 19:00 | 03 days |   10  00  16 | +14  56  50 | 12:59 | 19:59 | 02:59 | -0.10 | 18:59 until 02:00 | Leo
| 1980  04  18 | 19:00 | 04 days |   10  00  45 | +14  51  49 | 12:56 | 19:55 | 02:55 | -0.08 | 19:00 until 01:56 | Leo
| 1980  04  19 | 19:00 | 05 days |   10  01  16 | +14  46  37 | 12:52 | 19:52 | 02:51 | -0.06 | 19:02 until 01:52 | Leo
| 1980  04  20 | 19:00 | 06 days |   10  01  49 | +14  41  13 | 12:49 | 19:48 | 02:47 | -0.03 | 19:03 until 01:48 | Leo
| 1980  04  21 | 19:00 | 07 days |   10  02  25 | +14  35  38 | 12:46 | 19:45 | 02:43 | -0.01 | 19:05 until 01:44 | Leo
| 1980  04  22 | 19:00 | 08 days |   10  03  03 | +14  29  53 | 12:43 | 19:42 | 02:40 |  0.01 | 19:06 until 01:40 | Leo
| 1980  04  23 | 19:00 | 09 days |   10  03  43 | +14  23  56 | 12:41 | 19:38 | 02:36 |  0.03 | 19:08 until 01:36 | Leo
| 1980  04  24 | 19:00 | 09 days |   10  04  25 | +14  17  48 | 12:38 | 19:35 | 02:32 |  0.05 | 19:09 until 01:33 | Leo
| 1980  04  25 | 19:00 | 10 days |   10  05  09 | +14  11  31 | 12:35 | 19:32 | 02:29 |  0.07 | 19:11 until 01:29 | Leo
| 1980  04  26 | 19:00 | 11 days |   10  05  55 | +14  05  02 | 12:32 | 19:29 | 03:25 |  0.09 | 19:12 until 01:25 | Leo
| 1980  04  27 | 20:00 | 12 days |   10  06  44 | +13  58  24 | 13:29 | 20:25 | 03:22 |  0.11 | 20:14 until 02:21 | Leo
| 1980  04  28 | 20:00 | 13 days |   10  07  34 | +13  51  36 | 13:27 | 20:22 | 03:18 |  0.13 | 20:15 until 02:17 | Leo
| 1980  04  29 | 20:00 | 14 days |   10  08  26 | +13  44  37 | 13:24 | 20:19 | 03:14 |  0.15 | 20:17 until 02:14 | Leo
| 1980  04  30 | 20:00 | 15 days |   10  09  20 | +13  37  29 | 13:21 | 20:16 | 03:11 |  0.17 | 20:18 until 02:10 | Leo
| 1980  05  01 | 20:00 | 16 days |   10  10  16 | +13  30  12 | 13:19 | 20:13 | 03:07 |  0.19 | 20:19 until 02:06 | Leo
| 1980  05  02 | 20:00 | 17 days |   10  11  13 | +13  22  45 | 13:16 | 20:10 | 03:04 |  0.21 | 20:21 until 02:03 | Leo
| 1980  05  03 | 20:00 | 18 days |   10  12  13 | +13  15  09 | 13:14 | 20:07 | 03:00 |  0.23 | 20:22 until 01:59 | Leo
| 1980  05  04 | 20:00 | 19 days |   10  13  14 | +13  07  24 | 13:11 | 20:04 | 02:57 |  0.25 | 20:24 until 01:55 | Leo
| 1980  05  05 | 20:00 | 20 days |   10  14  16 | +12  59  30 | 13:09 | 20:01 | 02:54 |  0.27 | 20:25 until 01:52 | Leo
| 1980  05  06 | 20:00 | 21 days |   10  15  21 | +12  51  27 | 13:07 | 19:58 | 02:50 |  0.29 | 20:27 until 01:48 | Leo
|
| 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/>