Planets of the Month: October 2025

By Erich Karkoschka

Mars is just visible at dusk during the first half of October.

Mercury is visible during the second half of October, a little better than Mars. It passes Mars two degrees south on the 20th.

Saturn transits 55 degrees high during late evening. Its rings are thin, and thinning further. The ring tilt decreases from 1.5 to .6 degrees. On the 5th, a transit of Titan occurs across Saturn’s disk, starting at 6:25 pm. Titan’s shadow moves near Saturn’s North Pole from 9:26 to 11:44 pm.

Neptune is 3 degrees to the northeast of Saturn.

Uranus is up during late evening, 4 degrees south of the Pleiades.

Jupiter rises around midnight and is high up by dawn.

Venus rises around 5 am and is 20 degrees high by sunrise.

The moon moves across the Pleiades on the 9th from 8 to 10 pm.