The open cluster NGC 1981
R/B-band color composite image from the Second Digitized Sky Survey (DSS2), measuring 10 arcminutes across.
Finder chart
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From Cambridge , NGC 1981 is visible in the evening sky, becoming accessible around 18:00 (EST) as the dusk sky fades, 28° above your south-eastern horizon. It will then reach its highest point in the sky at 20:58, 43° above your southern horizon. It will continue to be observable until around 01:02, when it sinks below 18° above your south-western horizon.
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|
Name
NGC 1981
|
Object Type
Open Cluster
|
Other Names
Cr 73
Position
| Constellation: | Orion |
| Magnitude: | 4.20 (V) [3] |
| Right ascension: | 05h35m [2] |
| Declination: | -04°25' [2] |
| Distance: | 400.0 parsec 1304.0 lightyrs [1] |
Derived Quantities
| Absolute mag (V): | -3.81 |
Visibility from Cambridge
All times shown in Cambridge local time.
Events
| 15 Dec 2021 | – NGC 1981 is well placed |
| 15 Dec 2022 | – NGC 1981 is well placed |
| 15 Dec 2023 | – NGC 1981 is well placed |
| 14 Dec 2024 | – NGC 1981 is well placed |
| 15 Dec 2025 | – NGC 1981 is well placed |
| 15 Dec 2026 | – NGC 1981 is well placed |
| 15 Dec 2027 | – NGC 1981 is well placed |
| 14 Dec 2028 | – NGC 1981 is well placed |