NGC 6633 is well placed
2018 Jun 27
Dominic Ford – originally published on In-The-Sky.org
The open star cluster NGC 6633 in Ophiuchus will be well placed for observation. It will reach its highest point in the sky at around midnight local time.
At a declination of +06°34', it is visible across much of the world; it can be seen at latitudes between 76°N and 63°S.
From London (click to change), it will be visible all night. It will become visible at around 23:40 (BST) as the dusk sky fades, 42° above your south-eastern horizon. It will be lost to dawn twilight at around 02:28, 41° above your south-western horizon.
At magnitude 4.6, NGC6633 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 precise position of NGC6633 is as follows:
| Object | Right Ascension | Declination | Constellation | Magnitude | Angular Size |
| NGC6633 | 18h27m40s | +06°34' | Ophiuchus | 4.6 | 0'27" |
The coordinates above are given in J2000.0.
The details of this observing event were provided courtesy of In-The-Sky.org
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