APRIL 2025 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart 21 24 β Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. 4 April 2 MOON PHASES MON SUN 1 6 13 20 27 7 14 21 28 8 15 22 29 NASA / LRO TUE 2 9 16 23 30 WED 3 10 17 24 THU 4 11 18 25 FRI 5 12 19 26 SAT FIRST QUARTER April 5 02:15 UT LAST QUARTER April 21 01:36 UT DISTANCES Apogee 406,295 km Perigee 357,121 km FULL MOON April 13 00:22 UT NEW MOON April 27 19:31 UT April 13, 23h UT Diameter 29′ 25″ April 27, 16h UT Diameter 33′ 28″ FAVORABLE LIBRATIONS * Hanno Crater * Oken Crater * Ulugh Beigh A Crater * Dalton Crater April 2 April 4 April 21 April 24 42 APRIL 2025 * 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 12 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 8