| Ephemeris for 21P/Giacobini-Zinner | | 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 01 21 | 19:00 | 08 days | 12 11 02 | -13 21 49 | 22:58 | 04:17 | 09:35 | 23.96 | 01:11 until 06:15 | Corvus | 2021 01 21 | 20:00 | 08 days | 12 11 02 | -13 21 47 | 22:58 | 04:17 | 09:35 | 23.96 | 01:11 until 06:15 | Corvus | 2021 01 21 | 21:00 | 08 days | 12 11 01 | -13 21 46 | 22:58 | 04:17 | 09:35 | 23.96 | 01:11 until 06:15 | Corvus | 2021 01 21 | 22:00 | 08 days | 12 11 01 | -13 21 45 | 22:58 | 04:17 | 09:35 | 23.96 | 01:11 until 06:15 | Corvus | 2021 01 21 | 23:00 | 08 days | 12 11 00 | -13 21 44 | 22:58 | 04:17 | 09:35 | 23.96 | 01:11 until 06:15 | Corvus | 2021 01 22 | 00:00 | 08 days | 12 11 00 | -13 21 42 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 01:00 | 08 days | 12 10 59 | -13 21 41 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 02:00 | 08 days | 12 10 59 | -13 21 40 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 03:00 | 08 days | 12 10 58 | -13 21 38 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 04:00 | 08 days | 12 10 58 | -13 21 37 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 05:00 | 08 days | 12 10 57 | -13 21 36 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 06:00 | 08 days | 12 10 57 | -13 21 34 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 07:00 | 08 days | 12 10 56 | -13 21 33 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 08:00 | 08 days | 12 10 56 | -13 21 31 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 09:00 | 08 days | 12 10 56 | -13 21 30 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 10:00 | 08 days | 12 10 55 | -13 21 29 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 11:00 | 08 days | 12 10 55 | -13 21 27 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 12:00 | 09 days | 12 10 54 | -13 21 26 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 13:00 | 09 days | 12 10 54 | -13 21 24 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 14:00 | 09 days | 12 10 53 | -13 21 23 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 15:00 | 09 days | 12 10 53 | -13 21 21 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 16:00 | 09 days | 12 10 52 | -13 21 20 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 17:00 | 09 days | 12 10 52 | -13 21 18 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 18:00 | 09 days | 12 10 51 | -13 21 17 | 22:54 | 04:13 | 09:31 | 23.96 | 01:07 until 06:15 | Corvus | 2021 01 22 | 19:00 | 09 days | 12 10 51 | -13 21 15 | 22:54 | 04:13 | 09:31 | 23.96 | 01:06 until 06:15 | Corvus | | All times computed for Ashburn (latitude 39.04; longitude -77.49) | and expressed in Ashburn time. | | Ephemeris computed by Dominic Ford. |