Monthly Astro Calendar

All times are MST from Winslow AZ

April 2025

• 04-04, First Quarter Moon

• 04-12, Full Moon

• 04-19, Winslow Homolovi Observatory Open 7 p.m. - 9:30 p.m.

  • Visitor Center Presentation, "The Winslow Homolovi Observatory"

  • Jupiter, Equatorial Bands, Moons Io, Europa, Ganymede, Callisto

  • Mars, Polar Cap, surface features?

  • M42, Orion Nebula, Trapezium Cluster, Star Incubator

  • M1, Crab Nebula, Super Nova Remnant, spinning neutron pulsar star at core

  • NGC 2392, Clown Face Nebula, Planetary Nebula (low stellar mass nova)

  • M65, M66, NGC 3628, Leo Galaxy Triplet, gravitationally bound

• 04-20, Last Quarter Moon

• 04-21, Mercury Sunset Elongation, p.m. Lyrid Meteor Shower Peak 10-15/hr

• 04-27, New Moon + Early Morning Venus Maximum Brightness (-4.5)

May 2025

• 05-01, Saturn 20d High at Sunrise, Rings Opening From Bottom

• 05-04, First Quarter Moon + Lunar 'X' @ 5:15 p.m. MST------------------------------------>

• 05-05/06, Eta Aquarid Meteor Shower Peak 50/hr

• 05-12, Full Moon

• 05-17, Winslow Homolovi Observatory Open 7 p.m. - 9:30 p.m.

  • Visitor Center Presentation, TBA

  • Mars, white polar cap, 13 lmin distance, far away and tiny

  • M3, globular cluster, 300,000 stars, 180 ly diameter, 40k ly distance

  • M51, Whirlpool Galaxy, colliding galaxies, 23mly distance, size ~ Milky Way

  • Blaze Star, T CrB, recurring nova, will reach 2nd magnitude for a few days

  • M64, Black Eye Galaxy, large dust lane around core, 17 Mly distance

• 05-20, Last Quarter Moon

• 05-26, New Moon