|Mercury at Greatest Western (Morning) Elongation
Full (Wolf) Moon at 9:24pm EST
||Earth at Perihelion, 91.4 million miles from the Sun
||Double Shadow Transit on Jupiter (Europa and Ganymede; 9:34-10:37pm EST)
||Mars and Jupiter 0.2o apart. Look SE an hour before sunrise.
||Last Quarter Moon at 5:25pm EST
||Venus at superior conjunction
||Mars, Jupiter, and a waning crescent Moon are grouped together. Look SE an hour before sunrise.
||Double Shadow Transit on Jupiter (Ganymede and Europa; 12:45-2:22am EST)
||Mercury and Saturn 0.7o apart. Look very low in the SE a half hour before sunrise.
||New Moon at 9:17pm EST
||First Quarter Moon at 5:20pm EST
||Dwarf Planet Ceres at Opposition
Full (Blue) Moon at 8:27am EST (2nd Full Moon in January)
reaches Greatest Western (Morning) Elongation on the 1st and is visible low in
the SE sky a half hour before sunrise. Appears near Saturn on the 13th.
arrives at superior conjunction on the 9th and is not visible this month.
, in Libra, rises 4 hours before the sun all month. It appears in the same binocular
field with Jupiter for the first half of January, being closest (0.2o) on the morning
of the 7th.
, also in Libra, moves away from Mars by mid-January and rises before 2am at
is emerging from last month’s conjunction, reappearing in the morning sky early
in the month. Its January 13 conjunction with Mercury will require binoculars and
an open view of the SE horizon.