When the Curves Line Up

2026, October 19: Jupiter and Mars Before Sunrise, Saturn After Sunset

Find bright Jupiter and Mars before sunrise, the gibbous Moon after sunset, and Saturn through a telescope. Learn how ...
When the Curves Line Up

2026, October 18: The Moon and Planets – An October Almanac

Find Jupiter and Mars before sunrise, Saturn after sunset, and Uranus near the Pleiades. See the moon phase and observing ...
whenthecurveslineup

2026, October 17: NASA’s SPHEREx Telescope Sees Menagerie of Brown Dwarfs

October 17, 2026: Investigations by NASA’s SPHEREx Telescope studies brown dwarfs, bodies heated from within, but do not revolve around a host star. Chicago, Illinois: Sunrise, 7:05 a.m. CDT; Sunset, ...
When the Curves Line Up

2026, October 20: Arcturus: The Star That Helped Open Chicago’s 1933 World’s Fair

Find Arcturus and the Big Dipper in the western sky after sunset. Discover the star’s seasonal transition and its role in ...
When the Curves Line Up

2026, October 14: Waxing Crescent Moon Appears Beside Antares This Evening

The waxing crescent moon returns to the evening sky and appears near Antares. Look for earthshine and photograph the pair after sunset.
When the Curves Line Up

2026, October 15: Morning Planets and an Evening Crescent Moon Highlight the Sky

Mars continues to close the gap to Jupiter before sunrise while the waxing crescent moon appears near Antares after sunset.