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

M6 is well placed

Fri, 16 Jun 2017 (215 days ago)

Dominic Ford, Editor
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Across much of the world the butterfly open star cluster (M6, NGC 6405) in Scorpius will be well placed for observation. It will reach its highest point in the sky at around midnight local time.

At a declination of -32°13', it is easiest to see from the southern hemisphere but cannot be seen from latitudes much north of 37°N.

From Ashburn (click to change), it will not be readily observable since it will lie so far south that it will never rise more than 18° above the horizon.

At magnitude 4.2, M6 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 M6 is as follows:

Object Right Ascension Declination Constellation Magnitude Angular Size
M6 17h40m00s -32°13' Scorpius 4.2 15'00"

The coordinates above are given in J2000.0.

The sky on 16 June 2017
Sunrise 05:42
Sunset 20:36
Twilight ends
Twilight begins

22-day old moon
Age of Moon
22 days

All times shown in EDT.
Rise Culm. Set
Mercury 05:18 12:43 20:08
Venus 03:20 10:04 16:47
Moon 00:52 06:28 12:03
Mars 06:34 14:03 21:31
Jupiter 14:28 20:18 02:12
Saturn 20:15 01:06 05:53


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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