October 2025

Sunset, 6:30pm CDT This tour starts at HRPO and ends at your home! Three annual Self-Guided Tours will occur (with the others to follow in early November next year, and ...

Sometimes a device, substance or way of doing something created specifically for an internal goverment job migrates into the lives of everyday citizens. Cadets may have experienced them in the ...

CANCELLED. Sunset, 6:29pm CDT. Weather permitting, viewing through one or more telescopes will take place. During this time the waning crescent Moon will be below the horizon. Please keep headlights ...

Sunset, 6:25pm CDT A bright comet awaits! Weather permitting, viewing of Comet Lemmon will be attempted. Twilight Ends, 7:46pm CDT

Sunset, 6:24pm CDT A bright comet awaits! Weather permitting, viewing of Comet Lemmon will be attempted. Twilight Ends, 7:45pm CDT NOAA Forecast (Very Good): precipitation potential 0%, sky cover 34%, ...

Sunset, 6:23pm CDT A bright comet awaits! Weather permitting, viewing of Comet Lemmon will be attempted. Twilight Ends, 7:45pm CDT NOAA Forecast (Good): precipitation potential 0%, sky cover 50%, relative ...

Weather permitting, viewing of the Sun’s image in four different manners (indirectly onto a white surface, directly with safely-filtered optical light, directly in hydrogen-alpha wavelength and directly in calcium-K wavelength) ...

This program offers advanced topics, activity extensions and all-new games and demonstrations to older youth. Certificates are earned and archived as well as modern experiments take place. There are also giveaways ...

CANCELLED Sunset, 6:22pm CDT A bright comet awaits! Weather permitting, viewing of Comet Lemmon will be attempted. Twilight Ends, 7:44pm CDT NOAA Forecast (Poor): precipitation potential 24%, sky cover 63%, ...

NOAA has issued a Wind Advisory until 7pm. Periodically, Mercury reaches its greatest angular separation in the sky (elongation) from the Sun. This is the safest way for amateurs to ...

Sunset, 6:25pm CDT A space study institution open to the public on the creepiest evening of the year? What better time to invite old-timers and newcomers to this second try ...