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Night sky this month – September

 

Highlights: Venus back in morning sky. Lunar eclipse.


Here is a view of the night sky this month as seen from mid-northern latitudes such as London (51° 30′) in mid September, 2015, at 10pm (22h UT).


The planets in September 2015

Mercury is visible in the evening sky in the early part of the month before closing in with the Sun as September proceeds.

Venus is now shining brightly as a morning star before dawn.

Mars rises in the pre-dawn hours in August, shining at magnitude +1.6 but is too small to show any detail. Find out more about Mars here including maps to show its position in the sky.

Jupiter is now back in the morning sky too, following conjunction with the Sun last month.

Saturn is in the far south of the ecliptic, in the constellation of Libra, and so best placed for southern observers. It will be found low in the south-west as soon as it gets dark.

Total eclipse of the Moon

In the early hours of 28 September, Universal Time, the Full Moon will be dimmed and turn red by a total eclipse. The event, which happens at a so-called “supermoon”, when the Moon is at perigee and so closest to the Earth, is visible across the eastern Pacific, the Americas, Europe, Africa and western Asia.



Note: The sky will appear much the same from other cities at similar latitudes, such as New York, Paris and Berlin, at around 10pm local time. The sky appears the same at the start of the month an hour later and at the end of the month an hour earlier. We use Virtual Sky, a new, customizable, browser-based planetarium, courtesy of Las Cumbres Observatory Global Telescope Network. Click on the date or location to the top left of the chart to view the sky at a different time or from another longitude and latitude. If you want to check out the sky as seen from the southern hemisphere, click here.