My first Magazine Sky & Telescope - 04.2019

APRIL 2019 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart D G Va oub ala x O ria le Di pe ble sta y n ff G r s Pl lob use clu tar an ul ne ste et ar clu bul r ar a y ne ste bu r la April 2 Yellow dots indicate which part of the Moon’s limb is tipped the most toward Earth by libration. N ASA / LRO 20 18 19 MOON PHASES TUE MON SUN WED S AT FRI THU 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 NEW MOON FIRST QUARTER April 5 April 12 08:50 UT 19:06 UT FULL MOON LAST QUARTER April 19 April 26 11:12 UT 22:18 UT DISTANCES -1 00 h Apogee April 1, UT 405,577 km Diameter 29′ 28″ 22 h UT Perigee April 16, 364,205 km Diameter 32′ 49″ Apogee April 28, 18 h UT 404,582 km Diameter 29′ 32″ FAVORABLE LIBRATIONS 42 • Pascal Crater April 2 • Hale Crater April 18 • Helmholtz Crater April 19 • Lyot Crater April 20 A PR I L 2 019 • SK Y & TELESCOPE 0 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.

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