DECEMBER 2019 OBSERVING Lunar Almanac Northern Hemisphere Sky Chart North γ δ Di g Bi er pp SA R UR JO A M β α Fa θ ci n N M8 E 1 Yellow dots indicate which part of the Moon's limb is tipped the most toward Earth by libration. M8 2 Y N Polaris X α Double Cluster RI M38 M36 M37 M GA 35 γ h 7 RS E ζ η P β l Mo De on c7 α Mira ε ο θ U December 5, 04h UT 404,446 km Diameter 29′ 33″ E R ID Diameter 32′ 16″ December 5 * Von Braun Crater December 12 * Lacus Autumni December 14 * Gauss B Crater December 30 D EC E M B E R 2 019 * SK Y & TELESCOPE A πC N eti U τ S η C E T U S -20° α g n 370,265 km UT 1 2 3 4 ci December 18, FAVORABLE LIBRATIONS 42 γ Fa 20h Perigee * De Sitter Crater S Apogee 3 β γ I C γ 0 DISTANCES M α T β LU l ma I P E Q U A T O R -1 5:13 UT α GU S Ha IE L α P LE α 4:57 UT M3 IAN R C γ A TA U R U S Aldebaran Hyades εθ α trix Bella December 26 γ December 19 λ NEW MOON N IO OR LAST QUARTER E β Rige 5:12 UT M42 6:58 UT δ ε ζ December 12 α se lgeu December 4 κ FULL MOON ι β ζ Bete MONOCEROS NGC 2244 Facing East FIRST QUARTER M De oo c n 11 60° 31 ε 30 δ 29 OPEIA 28 LIS 27 DA 26 R PA 25 LO 24 ME 23 β 22 TR 21 M3 4 20 γ 19 ρ 18 l 17 Alg o 16 β 15 α 14 PE 13 δ 12 Pleiades 11 US 10 ε 9 C 8 ε 7 ape lla 6 α 5 AU 4 θ 3 β IN I S AT FRI THU 2 +80° GE M WED 1 CA r TUE MON L sto α β MOON PHASES SUN ο Ca Pol lux N ASA / LRO A OR 14 ε g 12 10 h 30 h 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 December 5 Planet location shown for mid-month 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. 4h FO RN AX α -40° PHO 1 Facing