Episode 512 – The Observer’s Calendar for December 2025 Show Notes

Dec 3rd/4th – Moon 0.8-degrees N of Pleiades

Carbon Star U Lyr best tonight

Dec 4th – Full Moon in Taurus

Dec 7th – Jupiter 4-degrees South of Moon

Mercury Greatest Elongation 21-degrees from Sun in morning Sky

Endymion sunset rays visible on Moon

Dec ⅞ Moon and M44

Dec 8th – 16 Psyche at Opposition 9.4 magnitude

Asteroid 16 Psyche is a large, metal-rich asteroid, thought to be the exposed core of a protoplanet, located between Mars and Jupiter. It is composed of a high concentration of nickel and iron and is estimated to be worth an astronomical amount of metal. Scientists are studying it to learn more about the formation of Earth’s core and other rocky planets, and a NASA mission is currently underway to explore it.

Dec 10th – Moon Occults Regulus 2am

Dec 13th – Geminid Meteor Shower – up to 150 ZHR on morning of the 14th.

Dec 21 – Ursid meteor Shower – 10 zhr

Dec 22 Moon Occults Pluto at 4pm EST

Dec 23rd Carbon Star Z Psc best tonight

Dec 24th Comet 24P Schaumasse visible tonight

Marie called it again…we have yet another bright comet…8.5 magnitude by mid month, moon leaves sky on 11/12th

Dec 25th  Saturn Ring Tilt -0.76

Dec 26th – Lunar X near crater Werner visible

Dec 27th. Saturn, Neptune and Moon congregate in evening sky.

Lunar Straight Wall visible

Dec 29th – Jewelled Handle Visible On Moon

Dec 31st – Moon 0.9-degrees N of Pleiades

Carbon Star T Lyn best tonight

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