Venus is now an excellent ‘morning star’ seen for a short while within the pre-dawn japanese sky. The planet has raced west of the Solar following inferior conjunction on 13 August and is on the cusp of one other excellent apparition. The reminiscence of Venus’ splendid, long-lived exhibiting within the night sky, which led to July for UK observers, continues to be contemporary.
At its finest in the course of the late-spring, observers throughout the UK had been handled to its sheer brilliance seen towards the backdrop of an astronomically darkish sky. So far as single planet showings goes it doesn’t get higher. Fortunately, by the top of this month and thru to November we’re in for a repeat efficiency, besides this time within the pre-dawn sky. It pulls out to biggest elongation west of the Solar on 23 October.
Presently, Venus rises at about 4am BST from London and climbs to an elevation of round 10° by 5am. It burns blazingly brilliant, at magnitude –4.5, and throughout an eaten horizon free from main obstructions, will be seen to climb to an altitude over 20° by dawn.
Because the month progresses Venus makes fast progress away from the morning horizon, sufficient for the planet to be set towards a darkish sky (astronomical twilight in drive) for a time. The pre-dawn of 12 September is picturesque, with Venus being joined by an outdated crescent Moon located round 11° to the left (west).
On the finish of September Venus, nonetheless shinning at magnitude –4.5, rises at 3am and achieves the observationally-important 30° altitude mark, mendacity simply in need of 35° up by dawn (at about 7am from London). Throughout a flat horizon it’s attainable to view Venus in an astronomically-dark sky for maybe an hour or so, till the beginning of astronomical twilight at about 5am.
All through the month you’ll be able to observe Venus’ altering section by means of a small telescope; a 15 per cent-illuminated crescent fattens right into a 36 per cent crescent.
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