| 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. | | | | 2019 10 22 | 20:00 | 23 days | 10 39 46 | -11 48 17 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:01 | 23 days | 10 39 46 | -11 48 17 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:02 | 23 days | 10 39 46 | -11 48 17 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:03 | 23 days | 10 39 47 | -11 48 18 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:04 | 23 days | 10 39 47 | -11 48 18 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:05 | 23 days | 10 39 47 | -11 48 18 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:06 | 23 days | 10 39 47 | -11 48 18 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:07 | 23 days | 10 39 47 | -11 48 19 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:08 | 23 days | 10 39 47 | -11 48 19 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:09 | 23 days | 10 39 47 | -11 48 19 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:10 | 23 days | 10 39 47 | -11 48 19 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:11 | 23 days | 10 39 47 | -11 48 20 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:12 | 23 days | 10 39 47 | -11 48 20 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:13 | 23 days | 10 39 47 | -11 48 20 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:14 | 23 days | 10 39 47 | -11 48 20 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:15 | 23 days | 10 39 47 | -11 48 21 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:16 | 23 days | 10 39 47 | -11 48 21 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:17 | 23 days | 10 39 47 | -11 48 21 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:18 | 23 days | 10 39 47 | -11 48 21 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:19 | 23 days | 10 39 47 | -11 48 22 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:20 | 23 days | 10 39 47 | -11 48 22 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:21 | 23 days | 10 39 47 | -11 48 22 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:22 | 23 days | 10 39 47 | -11 48 22 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:23 | 23 days | 10 39 47 | -11 48 23 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | 2019 10 22 | 20:24 | 23 days | 10 39 47 | -11 48 23 | 04:22 | 09:46 | 15:10 | 21.46 | Not observable | Sextans | | All times computed for Ashburn (latitude 39.04; longitude -77.49) | and expressed in Ashburn time. | | Ephemeris computed by Dominic Ford. |