Grant O. Gale Observatory is a obse rvatory in Grinnell. Operator refreshes the health score, market rank, and review feed every night.
Operator computes a Health score every night at 2 am HST. It is the one number that tells you if this shop is winning, losing, or steady. Here is how Grant O. Gale Observatory broke down on Apr 16, 2026.
Operator ranks every obse rvatory in Grinnell every night at 2 am HST using reviews, response rate, and local market share.
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