JANUARY 2023 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart January 25 1 15 Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. NASA / LRO 10 MOON PHASES MON SUN 1 8 15 22 29 2 9 16 23 30 3 10 17 24 31 TUE 4 11 18 25 WED 5 12 19 26 THU 6 13 20 27 FRI 7 14 21 28 SAT FULL MOON January 6 23:08 UT NEW MOON January 21 20:53 UT DISTANCES Apogee LAST QUARTER January 15 02:10 UT FIRST QUARTER January 28 15:19 UT January 08, 9h UT 406,458 km Diameter 29′ 24″ Perigee 356,569 km Diameter 33′ 31″ FAVORABLE LIBRATIONS * Mare Marginis * Bailly Crater * Mare Orientale * Vestine Crater January 21, 21h UT -1 1 2 3 4 Planet location shown for mid-month α January 1 January 10 January 15 January 25 42 JANUARY 2023 * SKY & TELESCOPE Galaxy Double star USING THE NORTHERN HEMISPHERE MAP Go out within an hour of a time listed to the right. Turn the map around so the yellow label for the direction you're facing is at the bottom. That's the horizon. The center of the map is overhead. Ignore the parts of the map above horizons you're not facing. Exact for latitude 40°N. -40° c i n g 3 T O R 0° -20° Capella AURIGA M38M36 M37 M35 GEMINI α Castor Pollux E g -1 0 1 2 3 4 a Galaxy Double star Variable star Open cluster Diffuse nebula Globular cluster Planetary nebula S E Bellatrix Betelgeuse ORION M42 Rigel 9h M41 α F a Sirius β c i n g µ η γ β F ι α β θ HYDRA c i n a α s t ο ι β ε ζ δ γ a F LYNX β g n c i gol β ρ α LEO MINOR E N E Q U A 6h F a Polaris +80° β URSA MINOR Thuban α +60° r o N 5h h t 12h E C L α I P T I C α COLUMBA CANI S MAJOR β ε ο2 γ ERIDANUS Moon Jan 6 β ζ β LEPUS γ α Pleiades Hyades Aldebaran TAURUS CAELUM MONOCEROS M47 M46 CANI S MINOR Procyon CANCER β M44 γ M67 α LEO ζ α γ δ PERSEUS ε CAMELOPARDAL I S M82 M81 α Alcor Mizar URSA MAJOR M48 λ α δ ε ζ κ β γ B i g D i p p e r M50 α Moon Jan 2 α λ ξ ο β Mars