November 2025

The study of the big triumvirate (Earth, Sun and Moon) begins. Cadets will learn how precious our home and why it may cease to be humanity's only home! To register, ...

Sunset, 6:16pm CDT. Weather permitting, viewing through one or more telescopes will take place. During this time the waxing gibbous Moon will be at a maximum altitude of 57° in ...

HRPO opens for the closest Supermoon in every calendar year that has one. The thrill comes from a combination of that actual closeness and the illusion that makes a Full ...

It’s not light. It’s not dark. It’s that special time called twilight and HRPO wants to introduce you to it! Are all sections of the sky the same shade of ...

Like all other human beings, Cadets are born knowing little about the Cosmos. They see the sunshine and night, the Moon and the stars and begin to wonder. The first ...

Due to the lack of a 20OGS operator, HRPO is closing at 9pm. Sunset, 5:11pm CST. Twilight Ends, 6:34pm CST. Weather permitting, viewing through one or more telescopes will take ...