2026 Deep Space Mysteries Calendar

Astronomy’s Deep Space Mysteries calendar is back for 2026! The world's best-selling astronomy magazine brings you a calendar filled with stunning images, detailed observing opportunities, as well as major astronomical events.

Astronomy magazine brings you a calendar filled with dramatic images of nebulae, spiral galaxies, star-forming regions, and other mysteries of deep space. Each month details planet visibility, meteor showers, conjunctions, and other observing opportunities, as well as Moon phases and major astronomical events.

The calendar also includes an explainer on the magnitude scale of brightness used by professional and amateur astronomers alike!

Large Size: 13" x 10.5"