STARS: Llandrillo astronomy buff Brian Woosnam's September guide to the night sky

ASTRONOMY buff Brian Woosnam has been writing his monthly stars column in the North Wales Pioneer's print edition for years.

We are bringing his guide to astronomy in North Wales online for the first time this month, which includes tips and details for events until the end of September.

Autumns advance gathers pace as the Sun heads southwards and after the Autumnal Equinox, when the Sun crosses the equator from North to South, which occurs at 03.29am on the 23rd, dark skies will set in from mid-evening. The Summer Triangle stars Deneb, Vega and Altair are still high a little west of south. The stars of summer slip towards the west throughout the month as the nights draw in and the sky darkens. They are replaced by the stars of autumn.

The planets Mars will to found low in the southwest evening twilight along with the planet Saturn in Libra. Jupiter will be in the eastern pre-dawn sky in Cancer.

The Moon First quarter Tuesday 2 Full moon Tuesday 9 Last quarter Tuesday 16

The full moon that occurs closest to the equinox is known as Harvest moon and this year its the full moon of the 9th September.

Events during September Monday 1st - look out for the waxing crescent moon, Mars and Saturn low down in the southwest around 9pm BST.

Llandrillo Astronomy Society Observation Night Tuesday 9 -We meet at the Llanelian community centre from 7.30pm anyone can come along and join in.

Entrance is 1, which covers the cost of hiring the hall and a cup of tea or coffee.

Anyone can ask advise on telescopes and any questions they might have about astronomy. Also tonight see the full moon this month is Harvest Moon see above notes.

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STARS: Llandrillo astronomy buff Brian Woosnam's September guide to the night sky

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