BBC Sky at Night

PICK OF THE MONTH

Mercury

Best time to see: 25 March, 40 minutes after sunset

Altitude: 10°

Location: Pisces

Direction: West

Features: Phase, surface markings

Recommended equipment: 150mm scope or larger

Mercury is an evening planet, but having passed superior conjunction on 28 February, it's pretty close to the Sun at the start of March and won't be seen. The good news is that the inclination of the ecliptic plane – the projection of Earth's orbital plane in the sky – is steep against the western horizon at this time of

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