| Ephemeris for C/2020 R4 (ATLAS)
|
|     DATE     | Time  | Age of  | RIGHT ASCENS | DECLINATION | Rise  | Culm  | Set   | Approx|    Observable     | Constellation
| Year Mth Day |       | Moon    | hour min sec | deg min sec |       |       |       | Mag.  |                   |
|
| 2021  12  04 | 19:00 | 00 days |   11  36  25 | +06  45  02 | 23:58 | 06:26 | 12:54 | 22.53 | 02:01 until 05:42 | Leo
| 2021  12  04 | 20:00 | 00 days |   11  36  24 | +06  45  07 | 23:58 | 06:26 | 12:54 | 22.54 | 02:01 until 05:42 | Leo
| 2021  12  04 | 21:00 | 00 days |   11  36  24 | +06  45  11 | 23:58 | 06:26 | 12:54 | 22.54 | 02:01 until 05:42 | Leo
| 2021  12  04 | 22:00 | 00 days |   11  36  23 | +06  45  16 | 23:58 | 06:26 | 12:54 | 22.54 | 02:01 until 05:42 | Leo
| 2021  12  04 | 23:00 | 00 days |   11  36  22 | +06  45  20 | 23:58 | 06:26 | 12:54 | 22.54 | 02:01 until 05:42 | Leo
| 2021  12  05 | 00:00 | 01 days |   11  36  21 | +06  45  25 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 01:00 | 01 days |   11  36  20 | +06  45  29 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 02:00 | 01 days |   11  36  19 | +06  45  34 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 03:00 | 01 days |   11  36  19 | +06  45  38 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 04:00 | 01 days |   11  36  18 | +06  45  43 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 05:00 | 01 days |   11  36  17 | +06  45  47 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 06:00 | 01 days |   11  36  16 | +06  45  52 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 07:00 | 01 days |   11  36  15 | +06  45  57 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 08:00 | 01 days |   11  36  14 | +06  46  01 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 09:00 | 01 days |   11  36  14 | +06  46  06 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 10:00 | 01 days |   11  36  13 | +06  46  10 | 23:54 | 06:22 | 12:50 | 22.54 | 01:57 until 05:43 | Leo
| 2021  12  05 | 11:00 | 01 days |   11  36  12 | +06  46  15 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 12:00 | 01 days |   11  36  11 | +06  46  20 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 13:00 | 01 days |   11  36  10 | +06  46  24 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 14:00 | 01 days |   11  36  09 | +06  46  29 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 15:00 | 01 days |   11  36  08 | +06  46  33 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 16:00 | 01 days |   11  36  08 | +06  46  38 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 17:00 | 01 days |   11  36  07 | +06  46  43 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 18:00 | 01 days |   11  36  06 | +06  46  48 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | Leo
| 2021  12  05 | 19:00 | 01 days |   11  36  05 | +06  46  52 | 23:54 | 06:22 | 12:50 | 22.55 | 01:57 until 05:43 | 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/>