August 2025

HRPO will close by at least 8:15pm. HRPO is pleased to present a wealth of materials from the late Thomas R. Detman With intriguing insights into the professional world of ...

Cancelled. Weather permitting, viewing through one or more telescopes will take place. During this time the waxing crescent Moon will be at a maximum altitude of 19° in Libra. Please ...

Cancelled. HRPO will close at 1pm. 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 ...

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 ...

Rain. HRPO closed at 8pm. Sunset, 7:28pm CDT. Weather permitting, viewing through one or more telescopes will take place. During this time the First Quarter Moon will be at a ...