For the subsequent month or so you possibly can see the return of periodic comet 2P/Encke (Encke’s Comet). It’ll be a brightening object within the morning sky because it heads in direction of perihelion on 22 October, however first passing closest to Earth on 24 September. Comet 2P/Encke, the mother or father comet of the Taurid meteor stream, has one of many shortest orbital interval of any shiny comet, taking simply 3.3 years to go across the Solar.
By the beginning of the third week of September, 2P/Encke lies in northern Gemini, round 1.7° north-west of Castor (alpha Gem), Gemini’s celebrated a number of star and the extra northerly of the Gemini ‘Twins’. The comet climbs 30° excessive from London at about 2.50am BST, while you’ll want a big telescope or an imaging set-up to choose it up (the picture right here was shot by means of a 250mm (10-inch) astrograph and a cooled digicam).
Closest strategy to Earth
Comet 2P/Encke is predicted to brighten by round 3 magnitudes throughout September because it tracks southwards and eastwards by means of Gemini and Most cancers on its option to Leo. On 24 September, it’s predicted to be round magnitude +9.5 at closest strategy to Earth (at 0.9 AU); it lies simply inside Most cancers at its boundary with Leo, round a level west of magnitude +4.5 kappa Leonis. You’ll want to attend till about 5am BST for the comet to attain an elevation of round 30° above the jap horizon, and also you’ll have underneath an hour to watch it.
By mid-October it will likely be misplaced to the morning twilight, having plunged too far southwards to be seen from the UK because it heads in direction of perihelion, when it might be a sixth-magnitude object.
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