Solar System
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May Night Sky – Astronotes
We completed a half orbit around the Sun since I wrote the November Night Sky. It felt like yesterday, but…
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Armagh Observatory and Planetarium Captures Stunning Images of Tsuchinshan-ATLAS Comet
Comet Tsuchinchan-ATLAS. Image Credit: Apostolos Christou The Armagh Observatory and Planetarium (AOP) has successfully captured images of the Tsuchinshan-ATLAS comet,…
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February Night Sky 2025
This month is an interesting one for those of us who love to stargaze. I know the nights are still…
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Weather Round-up: September 2025
COOL SEPTEMBER, WETTER AND SUNNIER THAN AVERAGE Armagh Observatory, 3rd October 2025: Armagh Observatory reports that September 2025 was cooler,…
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Summer Night Sky 2026 – Astronotes
Welcome to the night sky for the next few months. In this article we will cover June, July and August.…
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A Bite Out of the Sun: Experience the Partial Solar Eclipse from Armagh – Astronotes
On Wednesday 12 August 2026, we will have the chance to witness one of nature’s most spectacular celestial events, a…
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AOP at the ACM
Presentations by AOP staff and students during the 2026 ACM meeting AOP students and staff gave good accounts of themselves…
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Autumn Night Sky 2026: The Ultimate Celestial Event – Astronotes
Step outside on a crisp autumn evening and look up. The ultimate celestial show has already begun. Autumn brings longer,…
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The Equinox Is Coming: What on Earth Is Going On? – Astronotes
There’s a point every September when the Universe gives us a gentle nudge and says: “Right, time to get the…
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