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

M22 is well placed

Fri, 30 Jun 2017 (202 days ago)

Dominic Ford, Editor
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The globular cluster M22 in Sagittarius, near the Galactic centre will be well placed for observation. It will reach its highest point in the sky at around midnight local time.

At a declination of -23°54', it is easiest to see from the southern hemisphere but cannot be seen from latitudes much north of 46°N.

From Ashburn (click to change), it will be visible between 22:59 and 03:21. It will become accessible at around 22:59, when it rises 20° above your south-eastern horizon, and then reach its highest point in the sky at 01:12, 27° above your southern horizon. It will become inaccessible at around 03:21 when it sinks to 20° above your south-western horizon.

At magnitude 5.1, M22 is too faint to be seen with the naked eye from any but the very darkest sites, but is visible through a pair of binoculars or small telescope.

The position of M22 is as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
M22 18h36m20s -23°54' Sagittarius 5.1 24'00"

The coordinates above are given in J2000.0.

The sky on 30 June 2017
Sunrise 05:46
Sunset 20:38
Twilight ends
Twilight begins

6-day old moon
Age of Moon
6 days

All times shown in EDT.
Rise Culm. Set
Mercury 06:32 14:00 21:27
Venus 03:09 10:07 17:05
Moon 13:04 19:08 00:41
Mars 06:22 13:47 21:13
Jupiter 13:35 19:25 01:18
Saturn 19:15 00:06 04:53


The circumstances of this event were computed using the DE405 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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