By Jelieta Walinski Ph.D | Desert Bloom Observatory, St. David, AZ, USA

By Crissi Hachinski | Pahrump, Nevada

By Jelieta Walinski | Desert Bloom Observatory, Arizona, USA

By Jelieta Walinski Ph.D | Montezuma Pass, Southeast Arizona, USA

By Jelieta Walinski Ph.D | Montezuma Pass, Southeast Arizona, USA

By Jelieta Walinski Ph.D | Montezuma Pass, Southwest Arizona, USA

By David Hoskin | Halifax, Nova Scotia, Canada

By Jelieta Walinski Ph.D | Desert Bloom Observatory, St. David, AZ, USA

By Jelieta Walinski Ph.D | Desert Bloom Observatory, St. David, AZ, USA

By Jelieta Walinski Ph.D | St. David, Arizona

By David Hoskin | Halifax, Nova Scotia, Canada

By Rob Ratkowski | Haleakala Observatory

By David Hoskin | Halifax, Nova Scotia, Canada

By David Hoskin | Halifax, Nova Scotia, Canada

By Stephen Pawlawski | Parliament, Victoria, British Columbia

By David Hoskin | Halifax, Nova Scotia, Canada