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Ephemeris for 21P/Giacobini-Zinner

by Dominic Ford

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All times computed for Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge time.

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Ephemeris for 21P/Giacobini-Zinner
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
Ephemeris for 21P/Giacobini-Zinner
DateTimeAge of
Moon		Right
Ascension		DeclinationRiseCulmSetApprox
Mag.		Observable
(hover mouse)		Constellation
2025Apr2820:00 EDT01 days02h48m59s+06°43'53"06:3713:0519:3311.8Not observableCetus
2025Apr2920:00 EDT02 days02h52m58s+06°45'17"06:3713:0519:3311.8Not observableCetus
2025Apr3020:00 EDT03 days02h56m57s+06°46'32"06:3713:0519:3311.8Not observableCetus
2025May0120:00 EDT04 days03h00m54s+06°47'38"06:3713:0519:3311.9Not observableCetus
2025May0220:00 EDT05 days03h04m50s+06°48'35"06:3713:0519:3311.9Not observableCetus
2025May0320:00 EDT06 days03h08m45s+06°49'23"06:3713:0519:3312.0Not observableCetus
2025May0420:00 EDT07 days03h12m38s+06°50'02"06:3713:0519:3312.0Not observableCetus
2025May0520:00 EDT08 days03h16m31s+06°50'33"06:3713:0519:3312.1Not observableCetus
2025May0620:00 EDT09 days03h20m22s+06°50'54"06:3713:0519:3312.1Not observableCetus
2025May0720:00 EDT10 days03h24m12s+06°51'07"06:3713:0519:3312.1Not observableTaurus
2025May0820:00 EDT11 days03h28m01s+06°51'12"06:3713:0519:3312.2Not observableTaurus
2025May0920:00 EDT12 days03h31m49s+06°51'07"06:3613:0519:3312.2Not observableTaurus
2025May1020:00 EDT13 days03h35m36s+06°50'54"06:3613:0519:3312.3Not observableTaurus
2025May1120:00 EDT14 days03h39m21s+06°50'32"06:3613:0419:3312.3Not observableTaurus
2025May1220:00 EDT15 days03h43m05s+06°50'02"06:3613:0419:3212.4Not observableTaurus
2025May1320:00 EDT15 days03h46m48s+06°49'23"06:3613:0419:3212.4Not observableTaurus
2025May1420:00 EDT16 days03h50m30s+06°48'35"06:3613:0419:3212.5Not observableTaurus
2025May1520:00 EDT17 days03h54m10s+06°47'39"06:3513:0319:3112.5Not observableTaurus
2025May1620:00 EDT18 days03h57m49s+06°46'35"06:3513:0319:3112.5Not observableTaurus
2025May1720:00 EDT19 days04h01m27s+06°45'22"06:3513:0319:3112.6Not observableTaurus
2025May1820:00 EDT20 days04h05m03s+06°44'01"06:3513:0219:3012.6Not observableTaurus
2025May1920:00 EDT21 days04h08m39s+06°42'32"06:3413:0219:3012.7Not observableTaurus
2025May2020:00 EDT22 days04h12m13s+06°40'54"06:3413:0219:2912.7Not observableTaurus
2025May2120:00 EDT23 days04h15m45s+06°39'09"06:3413:0119:2912.8Not observableTaurus
2025May2220:00 EDT24 days04h19m17s+06°37'15"06:3313:0119:2812.8Not observableTaurus
All times computed for Cambridge (latitude 42.38; longitude -71.11) and expressed in Cambridge time.
Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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Cambridge

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42.38°N
71.11°W
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