Astronomy Events Calendar 2026
Every Sky Event Worth Watching This Year

Debris from Halley's Comet enters Earth's atmosphere at 66 km/s, producing fast meteors with persistent trains. At peak, up to 50 meteors per hour are possible from the Southern Hemisphere; Northern Hemisphere observers see 10–30/hour. The radiant rises just before dawn in the constellation Aquarius.

The second full Moon in a single calendar month — a calendar rarity, not a colour change. May 2026 has two full Moons: May 1 and May 31. The Moon will appear its normal white-gold, but a full Moon at any phase is a spectacular telescope target. Crater detail is best on the terminator days before full, but a full Moon in binoculars is striking.

The Moon's shadow crosses Greenland, Iceland, and Spain on August 12, 2026 — the first total solar eclipse visible from mainland Europe since 1999. Maximum totality near the Faroe Islands lasts 2 minutes 18 seconds. A partial eclipse is visible across all of Europe, North Africa, and parts of the eastern US.

The Perseids are the most reliably spectacular meteor shower of the year — consistently producing 100+ meteors per hour at peak under a dark sky. Debris from Comet Swift-Tuttle burns up at 59 km/s, leaving long persistent glowing trails. The radiant is in Perseus, and meteors can appear anywhere in the sky.

In 2026, the Perseid peak coincidentally falls on the same date as the solar eclipse (August 12) — plan to observe the eclipse from a dark-sky site, then stay out for the meteor shower after dark.

Saturn's rings were edge-on in March 2025 — appearing as a thin line through a telescope. Throughout 2026 the rings tilt progressively back toward Earth. By October 2026 opposition, the ring tilt has increased to approximately 3–5°, making the rings distinctly visible as a separated ring system for the first time since 2024.

Opposition is when Saturn is directly opposite the Sun from Earth — it rises at sunset, is visible all night, and appears at its largest and brightest. A 70mm or larger telescope will show the ring gap (Cassini Division) in good seeing conditions.

🌠 Leonid Meteor Shower

The Leonids peak around November 17 at 10–15 meteors per hour in most years. They are famous for rare outbursts (1,000+ per hour) but 2026 is not forecast to be a storm year. The meteors are the fastest of any shower at 71 km/s, producing bright, short streaks. Radiant in Leo, best after midnight.

🌟 Geminid Meteor Shower

The best meteor shower of the year by raw numbers. The Geminids peak December 13–14 at up to 120 meteors per hour under ideal conditions, and unlike most showers, the Geminids begin as soon as it gets dark (not just pre-dawn). Debris from asteroid 3200 Phaethon rather than a comet. Bright, colourful, slow-moving — great for photography.

❄️ Ursid Meteor Shower

The Ursids close out the meteor year around December 22, near the winter solstice. A modest shower at 5–10 meteors per hour, from comet 8P/Tuttle. The radiant is near Polaris — circumpolar from the Northern Hemisphere, so the shower is visible all night. Rarely discussed but worth a look if you are already outside for the solstice.