MAY 2019 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart North α D G Va oub ala Op arbialb lests yxy e a D n G iff ecn lests trar Pl lob use luclsut atrar se an ul en et ar beub trer clu lual ar a y ne tsetre bu r la β Fa ε μ US α α γ β κ ε δ URSA MINOR DR Little Dipper β Th γ AC O γ η χ β β ub an α +60° Mizar & Alcor ζ η M51 Zenith β BO α ε M3 β ÖT ES turu δ Arc (C α s α ε M5 VIRGO δ CH 0° US ζ η May 18 May 26 21:11 UT 16:34 UT May 19 M AY 2 0 1 9 * S K Y & T E L E S C O P E π S * Mare Australe IU May 16 P May 15 * Wexler Crater π * Boguslawsky Crater δ May 2 α β * Xenophanes Crater 4 FAVORABLE LIBRATIONS Planet location shown for mid-month g α Spica γ R Diameter 29′ 34″ M May 26, 404,137 km A O UT Apogee n ci Fa 13h γ n Moo 15 y a M C Diameter 32′ 23″ S 369,009 km 1 2 3 4 α s re ta May 13, 22h UT β BR Jupiter An Perigee LI Moon May 18 0 DISTANCES 42 -1 SE 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. C B α S EN ) RP UT SE AP β M12 HIU LAST QUARTER M10 OP FULL MOON α β γ DA) 01:12 UT CEPHE n ci α IC4665 AU S (C 70 PEN May 12 22:46 UT ζ H δ SER FIRST QUARTER May 4 ERCULE S μ QUILA h 19 Facing East NEW MOON δ 31 γ 30 β 29 CORONA BOREALIS 28 M13 27 η 26 M92 25 ζ 24 ε 23 π 22 M52 39 21 R 20 a 19 Ve g 18 α 17 ε 16 Y 15 C 14 A 13 R 12 LY 11 S 10 M5 7 9 o 8 Al bi re 7 L 6 A 5 U VU 4 A 3 UL 2 PE C S AT FRI THU 1 N 7 WED TA TUE MON SUN IT MOON PHASES G M2 16 SA G 15 De ne b M 29 N o Cr rth os er s n N ASA / LRO 19 γ M g NE Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. SIOPEIA 22 h May 2 16h LU PU CEN S θ TA U RUS ι -40° 13 Facing