APRIL 2024 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart 3 April 1 Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. 14 19 MOON PHASES MON SUN 1 7 14 21 28 8 15 22 29 2 9 16 23 30 NASA / LRO TUE 3 10 17 24 WED 4 11 18 25 THU 5 12 19 26 FRI 6 13 20 27 SAT LAST QUARTER NEW MOON April 2 03:15 UT FIRST QUARTER April 15 19:13 UT DISTANCES Perigee 358,851 km Apogee 405,622 km April 8 18:21 UT FULL MOON April 23 23:49 UT April 7, 18h UT Diameter 33′ 18″ April 20, 02h UT Diameter 29′ 28″ FAVORABLE LIBRATIONS * Lavoisier Crater * Harding Crater * Hamilton Crater * Lyot Crater April 1 April 3 April 14 April 19 42 APRIL 2024 * SKY & TELESCOPE Galaxy Double star -1 1 2 3 4 Planet location shown for mid-month 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 10 i n g Moon Apr 23 COMA BERENICES S ERP ENS M5 E g -1 0 1 2 3 4 a Galaxy Double star Variable star Open cluster Diffuse nebula Globular cluster Planetary nebula S E U R S A M A J O R Big Dipper Mizar & Alcor α η 19h ζ π β ε 16h F a H Y D R A A N T L I 13h F a +60° β H E U S r o N 2h SEXTANS E C L I P α T I C C R A T E R CORVUS Spica V I RGO L E O Re LEO MINOR M51 B O Ö T E S Arcturus CANES VENATICI α Little Dipper α U R S A M I N O R D R A C O β ξ ν γ ε ζ η CORONA BOREALIS δ H E R C U L E S M13 M3 ε s t Thuban Vega M92 g n c i γ δ α β ε β η γ α ζ η γ δ α β β β α ε c i n a α α β h t α η ζ ν ε δ β γ γ α µ γ β c i n g F a F E N Moon Apr 19