Live coverage of the partial solar eclipse

What’s the youngest Moon you’ve ever seen? While the best opportunities generally occur in Northern Hemisphere spring when the ecliptic’s high, 21st January offers UK observers a 28-hour-old lunar crescent.

Steve Ringwood investigates a new range of neutral white solar filters employing Baader Planetarium’s renowned Astrosolar safety film in a robust, temperature-compensated frame and easy-fitting mount that comes in a range of apertures from 80mm to 280mm diameter.

Magnitude +2.9 star Mu (μ) Geminorum, better nown as Tejat in the constellation of Gemini, is occulted (hidden) by the rising 13-day-old waxing gibbous Moon early on the evening of Thursday, 9 January 2020 as seen from the entire British Isles. This is a spectacle for small telescopes and large binoculars, the first bright lunar occultation of a busy year for such events.