Ephemeris for C/2021 Y1 (ATLAS)
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All times computed for Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge time.
| Ephemeris for C/2021 Y1 (ATLAS) | ||||||||||||
| Date | Time | Age of Moon | Right Ascension | Declination | Rise | Culm | Set | Approx Mag. | Observable (hover mouse) | Constellation | ||
| Ephemeris for C/2021 Y1 (ATLAS) | ||||||||||||
| Date | Time | Age of Moon | Right Ascension | Declination | Rise | Culm | Set | Approx Mag. | Observable (hover mouse) | Constellation | ||
| 2025 | May | 11 | 02:00 EDT | 13 days | 16h26m11s | −18°12'09" | 20:59 | 01:53 | 06:47 | 21.7 | 23:39 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 05:00 EDT | 13 days | 16h26m07s | −18°11'40" | 20:59 | 01:53 | 06:47 | 21.7 | 23:39 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 08:00 EDT | 13 days | 16h26m03s | −18°11'12" | 20:59 | 01:53 | 06:47 | 21.7 | 23:39 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 11:00 EDT | 13 days | 16h25m59s | −18°10'43" | 20:59 | 01:53 | 06:46 | 21.7 | 23:39 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 14:00 EDT | 13 days | 16h25m55s | −18°10'15" | 20:59 | 01:53 | 06:46 | 21.7 | 23:38 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 17:00 EDT | 14 days | 16h25m51s | −18°09'47" | 20:59 | 01:53 | 06:46 | 21.7 | 23:38 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 20:00 EDT | 14 days | 16h25m47s | −18°09'19" | 20:59 | 01:53 | 06:46 | 21.7 | 23:38 until 04:06 | Ophiuchus |
| 2025 | May | 11 | 23:00 EDT | 14 days | 16h25m43s | −18°08'51" | 20:59 | 01:53 | 06:46 | 21.7 | 23:38 until 04:06 | Ophiuchus |
| 2025 | May | 12 | 02:00 EDT | 14 days | 16h25m39s | −18°08'23" | 20:55 | 01:49 | 06:42 | 21.7 | 23:34 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 05:00 EDT | 14 days | 16h25m35s | −18°07'55" | 20:55 | 01:48 | 06:42 | 21.7 | 23:34 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 08:00 EDT | 14 days | 16h25m31s | −18°07'26" | 20:55 | 01:48 | 06:42 | 21.7 | 23:34 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 11:00 EDT | 14 days | 16h25m27s | −18°06'58" | 20:54 | 01:48 | 06:42 | 21.7 | 23:34 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 14:00 EDT | 14 days | 16h25m23s | −18°06'30" | 20:54 | 01:48 | 06:42 | 21.7 | 23:33 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 17:00 EDT | 14 days | 16h25m19s | −18°06'01" | 20:54 | 01:48 | 06:42 | 21.7 | 23:33 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 20:00 EDT | 15 days | 16h25m15s | −18°05'33" | 20:54 | 01:48 | 06:42 | 21.7 | 23:33 until 04:03 | Ophiuchus |
| 2025 | May | 12 | 23:00 EDT | 15 days | 16h25m11s | −18°05'05" | 20:54 | 01:48 | 06:42 | 21.7 | 23:33 until 04:03 | Ophiuchus |
| 2025 | May | 13 | 02:00 EDT | 15 days | 16h25m07s | −18°04'37" | 20:50 | 01:44 | 06:38 | 21.7 | 23:29 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 05:00 EDT | 15 days | 16h25m03s | −18°04'09" | 20:50 | 01:44 | 06:38 | 21.7 | 23:29 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 08:00 EDT | 15 days | 16h24m59s | −18°03'41" | 20:50 | 01:44 | 06:38 | 21.7 | 23:29 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 11:00 EDT | 15 days | 16h24m55s | −18°03'12" | 20:50 | 01:44 | 06:38 | 21.7 | 23:29 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 14:00 EDT | 15 days | 16h24m51s | −18°02'44" | 20:50 | 01:44 | 06:38 | 21.7 | 23:28 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 17:00 EDT | 15 days | 16h24m47s | −18°02'16" | 20:49 | 01:44 | 06:38 | 21.7 | 23:28 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 20:00 EDT | 15 days | 16h24m42s | −18°01'47" | 20:49 | 01:44 | 06:38 | 21.7 | 23:28 until 03:59 | Ophiuchus |
| 2025 | May | 13 | 23:00 EDT | 16 days | 16h24m39s | −18°01'20" | 20:49 | 01:44 | 06:38 | 21.7 | 23:28 until 03:59 | Ophiuchus |
| 2025 | May | 14 | 02:00 EDT | 16 days | 16h24m34s | −18°00'52" | 20:45 | 01:40 | 06:34 | 21.7 | 23:24 until 03:55 | Ophiuchus |
|
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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