Monthly Astro Calendar

All times are MST from Winslow AZ

December 2025

• 12-04, Full Moon

• 12-11, Last Quarter Moon

• 12-13, Geminids 120/hr

• 12-19, New Moon

• The Winslow Homolovi Observatory is closed for maintenance December - March and will reopen with our monthly public presentations & observing sessions the 2nd Saturday in April - November. There may be deviations from this schedule, so check here often for any updates.

• 12-21, Solstice

• 12-21, Ursids 5-10/hr

• 12-26, ----- Lunar X and V -------->>>>>>>>>>>>>>> 6:27 p.m. MST

• 12-27, First Quarter Moon

November 2025

• 11-02, Daylight Savings Time ends

• 11-04, Taurids, 5-10/hr

• 11-05, Full Moon

• 11-12, Last Quarter Moon

• 11-15, Winslow Homolovi Observatory Presentation 5 p.m. - 6:15 p.m.

  • At observatory entrance then the visitor center

• 11-15, Winslow Homolovi Observatory Observing 6 :15 p.m. - 8:30 p.m.

  • Saturn, Ringed Planet

  • Neptune, 4 light hours away

  • Comet SWAN, C/2025 R2, 2 AU from Earth

  • NGC7009, Snowball Nebula, Planetary Nebula

  • M27, Dumbbell Nebula

  • M31 & M32, Andromeda Galaxy & Satellite Galaxy

• 11-17, Leonids, 15/hr

• 11-20, New Moon

• 11-21, Uranus Opposition

• 10-28, First Quarter Moon