© Digitised Sky Survey (DSS); Second Palomar Observatory Sky Survey (POSS-II)

NGC 1981 is well placed

Dominic Ford, Editor
From the Deep Sky feed

Objects: NGC1981
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The open star cluster NGC 1981 (mag 4.6) in Orion's sword will be well placed, high in the sky. It will reach its highest point in the sky at around midnight local time.

At a declination of 4°25'S, it is visible across much of the world; it can be seen at latitudes between 65°N and 74°S.

From Ashburn, it will be visible between 20:01 and 04:16. It will become accessible around 20:01, when it rises to an altitude of 18° above your eastern horizon. It will reach its highest point in the sky at 00:08, 46° above your southern horizon. It will become inaccessible around 04:16 when it sinks below 18° above your western horizon.

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At magnitude 4.2, NGC1981 is tricky to make out with the naked eye except from a dark site, but is visible through a pair of binoculars or small telescope.

The position of NGC1981 is as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
NGC1981 05h35m00s 4°25'S Orion 4.2 24'59"

The coordinates above are given in J2000.0.

The sky on 15 December 2021
Twilight ends
Twilight begins

11-day old moon
Waxing Gibbous


11 days old

Rise Culm. Set
Mercury 08:11 12:43 17:16
Venus 09:36 14:23 19:10
Moon 14:38 21:44 04:59
Mars 05:35 10:28 15:21
Jupiter 11:11 16:30 21:48
Saturn 10:21 15:21 20:21
All times shown in EST.


The circumstances of this event were computed using the DE430 planetary ephemeris published by the Jet Propulsion Laboratory (JPL).

This event was automatically generated by searching the ephemeris for planetary alignments which are of interest to amateur astronomers, and the text above was generated based on an estimate of your location.

Image credit

© Digitised Sky Survey (DSS); Second Palomar Observatory Sky Survey (POSS-II)






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