Instro met
instromet.co.uk
The Sky Guide Challenge
Locate and image three variable nebulae to see how they change over time
Binocular Tour
Locate this month’s selection of wide-field targets in and around Orion, the Hunter
Star of the month
Spot Mintaka at the top of Orion’s Belt
Comets and asteroids
Follow C/2021 A1 Leonard, which may reach naked-eye brightness this month
Astronomy Photography of the Year
rmg.co.uk/astrophoto
Moonwatch
December’s top lunar feature to observe
The night sky – December
Explore the celestial sphere with our Northern Hemisphere all-sky chart
The planets
Our celestial neighbourhood in December
The big three
The top sights to observe or image this month