January 2018 Sky
- Posted by OCastronomy
- On December 31, 2017
January 2018 Sky 1 Mercury at greatest elongation west (23° from Sun, morning sky) at 20h UT. Mag. −0.3. 1 Moon at perigee (closest to Earth) at 21:54 UT (356,565 km; angular size 33.5′). Closest of 2018. 2 Full Moon at 2:24 UT. 3 Earth at Perihelion (closest to Sun) at 6h UT. The Sun-Earth distance is 0.983284 a.u. […]
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