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

M55 is well placed

Dominic Ford, Editor
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Ashburn
The sky at

Across much of the world the globular cluster M55 (NGC 6809) in Sagittarius will be well placed for observation. It will reach its highest point in the sky at around midnight local time.

At a declination of -30°57', it is easiest to see from the southern hemisphere but cannot be seen from latitudes much north of 39°N.

From Ashburn, it will not be readily observable since it will lie so far south that it will never rise more than 19° above the horizon.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

At magnitude 6.5, M55 is quite faint, and certainly not visible to the naked eye, but can be viewed through a pair of binoculars or small telescope.

The position of M55 is as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
M55 19h39m50s -30°57' Sagittarius 6.5 19'00"

The coordinates above are given in J2000.0.

The sky on 16 July 2017
Sunrise
05:56
Sunset
20:33
Twilight ends
22:27
Twilight begins
04:02

22-day old moon
Waning Crescent

46%

22 days old

Planets
Rise Culm. Set
Mercury 07:53 14:52 21:50
Venus 03:05 10:17 17:29
Moon 00:36 06:49 13:02
Mars 06:10 13:29 20:48
Jupiter 12:39 18:27 00:18
Saturn 18:08 22:55 03:46
All times shown in EDT.

Source

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)

Ashburn

Latitude:
Longitude:
Timezone:

39.04°N
77.49°W
EDT

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