| Ephemeris for 13P/Olbers
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2025  12  12 | 00:00 | 21 days |   18  22  27 | -32  53  17 | 09:00 | 12:40 | 16:20 | 23.74 |    Not observable | Sagittarius
| 2025  12  13 | 00:00 | 22 days |   18  23  16 | -32  54  09 | 08:57 | 12:37 | 16:16 | 23.75 |    Not observable | Sagittarius
| 2025  12  14 | 00:00 | 23 days |   18  24  05 | -32  55  01 | 08:54 | 12:33 | 16:13 | 23.77 |    Not observable | Sagittarius
| 2025  12  15 | 00:00 | 24 days |   18  24  54 | -32  55  54 | 08:51 | 12:30 | 16:10 | 23.79 |    Not observable | Sagittarius
| 2025  12  16 | 00:00 | 25 days |   18  25  43 | -32  56  46 | 08:48 | 12:27 | 16:07 | 23.80 |    Not observable | Sagittarius
| 2025  12  17 | 00:00 | 26 days |   18  26  32 | -32  57  38 | 08:45 | 12:24 | 16:04 | 23.82 |    Not observable | Sagittarius
| 2025  12  18 | 00:00 | 27 days |   18  27  22 | -32  58  31 | 08:42 | 12:21 | 16:00 | 23.84 |    Not observable | Sagittarius
| 2025  12  19 | 00:00 | 28 days |   18  28  11 | -32  59  23 | 08:39 | 12:18 | 15:57 | 23.85 |    Not observable | Sagittarius
| 2025  12  20 | 00:00 | 00 days |   18  29  00 | -33  00  16 | 08:36 | 12:15 | 15:54 | 23.87 |    Not observable | Sagittarius
| 2025  12  21 | 00:00 | 01 days |   18  29  49 | -33  01  08 | 08:33 | 12:12 | 15:51 | 23.88 |    Not observable | Sagittarius
| 2025  12  22 | 00:00 | 02 days |   18  30  38 | -33  02  01 | 08:30 | 12:09 | 15:48 | 23.90 |    Not observable | Sagittarius
| 2025  12  23 | 00:00 | 03 days |   18  31  27 | -33  02  54 | 08:27 | 12:05 | 15:44 | 23.92 |    Not observable | Sagittarius
| 2025  12  24 | 00:00 | 04 days |   18  32  16 | -33  03  47 | 08:23 | 12:02 | 15:41 | 23.93 |    Not observable | Sagittarius
| 2025  12  25 | 00:00 | 05 days |   18  33  05 | -33  04  40 | 08:20 | 11:59 | 15:38 | 23.95 |    Not observable | Sagittarius
| 2025  12  26 | 00:00 | 06 days |   18  33  54 | -33  05  33 | 08:17 | 11:56 | 15:35 | 23.96 |    Not observable | Sagittarius
| 2025  12  27 | 00:00 | 07 days |   18  34  43 | -33  06  27 | 08:14 | 11:53 | 15:31 | 23.98 |    Not observable | Sagittarius
| 2025  12  28 | 00:00 | 08 days |   18  35  32 | -33  07  21 | 08:11 | 11:50 | 15:28 | 23.99 |    Not observable | Sagittarius
| 2025  12  29 | 00:00 | 09 days |   18  36  21 | -33  08  15 | 08:08 | 11:47 | 15:25 | 24.01 |    Not observable | Sagittarius
| 2025  12  30 | 00:00 | 10 days |   18  37  09 | -33  09  09 | 08:05 | 11:44 | 15:22 | 24.02 |    Not observable | Sagittarius
| 2025  12  31 | 00:00 | 11 days |   18  37  58 | -33  10  03 | 08:02 | 11:40 | 15:19 | 24.04 |    Not observable | Sagittarius
| 2026  01  01 | 00:00 | 12 days |   18  38  46 | -33  10  58 | 07:59 | 11:37 | 15:15 | 24.05 |    Not observable | Sagittarius
| 2026  01  02 | 00:00 | 13 days |   18  39  35 | -33  11  53 | 07:56 | 11:34 | 15:12 | 24.07 |    Not observable | Sagittarius
| 2026  01  03 | 00:00 | 14 days |   18  40  23 | -33  12  48 | 07:53 | 11:31 | 15:09 | 24.08 |    Not observable | Sagittarius
| 2026  01  04 | 00:00 | 15 days |   18  41  11 | -33  13  44 | 07:50 | 11:28 | 15:06 | 24.09 |    Not observable | Sagittarius
| 2026  01  05 | 00:00 | 16 days |   18  41  59 | -33  14  40 | 07:47 | 11:25 | 15:02 | 24.11 |    Not observable | Sagittarius
|
| All times computed for Cambridge (latitude 42.38; longitude -71.11)
|      and expressed in Cambridge time.
| All positions are in J2000.0 coordinates.
|
| Ephemeris computed by Dominic Ford.
| <https://in-the-sky.org/>