APRIL 2018 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart North h + _ EUS Fa g Ve a n ci ` ¡ NE April 11 19 h 13 g 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 b a D R A c C ` i O H E SA UR R NO MI M 92 / d R ¡ d C N ASA / LRO U 29 Little er Dipp 25 Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. L a ` E M1 3 c S ub 30 i j _ ¡ d E C L I P T I C S E X TA N C -1 R April 20, 15h UT Diameter 32′ 25″ HYDRA g SE FAVORABLE LIBRATIONS Planet location shown for mid-month * Vasco da Gama Crater April 11 USING THE NORTHERN HEMISPHERE MAP * Eddington Crater April 13 * Humboldt Crater April 25 * Jeans Crater April 29 A PR I L 2 018 * SK Y & TELESCOPE S CR AT ER _ Perigee 368,714 km 1 2 3 4 U S ¡ April 8, 06h UT Diameter 29′ 34″ ` Apogee 404,144 km V a 0 n ci Fa 42 O b DISTANCES _ lus ` a April 30 00:58 UT gu _ April 22 21:46 UT d O FULL MOON Moon Apr 29 ica FIRST QUARTER RG 1:57 UT a O Re Sp 7:18 UT LE Moon 6 Apr 2 VI April 16 O LE OR IN M M5 NEW MOON April 8 c b ` LAST QUARTER +60° 29 ` 28 ` 27 _ 26 U M R A SA JO R 25 a 24 B i g Dip pe r b 23 ¡ 22 _ 21 M51 20 c 19 d 18 CANE S V E N AT ICI 17 COMA BEREN ICES 16 ` 15 M3 14 a 13 ` 12 _ 11 BOÖ TES 10 Arcturu s 9 ¡ 8 _ 7 SERPENS 6 h 5 16 4 Facing East 3 _ S AT FRI THU 2 an WED 1 Mi z & A ar lco r TUE MON SUN Th ` CO B RO O RE NA AL IS MOON PHASES 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. 13h _ ANTLI - 40° 10 Facing