Planets, winter stars and a comet in January 2023 NASA skywatching guide

See Mars, Jupiter, Venus and Saturn this month along with the the stars of the Northern Hemisphere. Comet C/2022 E3 (ZTF) closest approach to Earth is in January. Night sky: What you can see this month: https://www.space.com/16149-night-sky.html Best night sky events this month - stargazing maps: https://www.space.com/33974-best-night-sky-events.html Credit: NASA/JPL-Caltech