Winslow Homolovi Observatory Opens at 7:00 PM (AZ-MST) with  Hopi Astronomy Powerpoint - Diné Constellations By Dr. Bryan Bates, Professor Emeritus,  Bryan describes his interpretation of an Ancestral Hopi calendar which is incorporated into prehistoric observatories of our early Puebloan peoples.  Bryan shares how the Hisat’sinom Hopi ancestors used their ancient lunar and solar calendars to connect to their cultural activities. This is a broad survey, with Bryan presenting multiple aspects of various calendars within Ancestral cultures of the Southwest.

2026 Astronomy presentations & night sky observing are on the 2nd Saturday of each month (April - November). The only Arizona State Park with a permanent observatory.

Hours

• Summer hrs. 7 p.m. - 9:30 p.m. MST April, May, June, July August

• Winter hrs. 6 p.m. - 8:30 p.m. MST September, October, November

• The first hour is a presentation in the park visitor center

• The remaining will be observations through the Moore 14" SCT telescope

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