Caoimhín's Content

Astronomical and Educational content, in English and Irish

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  • The First Total Lunar Eclipse of 2026: March 3rd!

    Today we are starting just as we started the last time, with sunset on the 3rd of March. This time, we are going to be looking at the lunar eclipse that’s happening on the 3rd of March, the one which isn’t visible from here in Ireland. Starting from Ireland at sunset, the Full Moon will…

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  • The March Night Sky

    Today we are going to take a quick look at the month of March. We will begin by looking forward to the 3rd of March, the night of the Full Moon, at sunset. As the Sun is setting in the west, Venus appears nice and early just a little above the sunset. It is one…

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  • The Greatest Eastern Elongation of Mercury: Visible to the West!

    Today we are looking at something that is happening on the date that this article is published, for the second time this week. Normally, I tend to look further into the future on this channel, but there happen to be events coinciding with the dates of posting at the moment. The last piece was about…

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  • The Antarctic Annular Eclipse: First Eclipse of 2026

    Today, we are going to be taking a look at the annular solar eclipse that is happening today. It may have just happened today or is about to happen today. While you’re reading this piece, it may still be in progress. Looking at the sky from here in Ireland, we can already see that the…

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  • Annular and Total? A Hybrid Eclipse!

    Today we are going to take a look at an eclipse. Of course, we have a very exciting annular eclipse coming up on the 17th of February visible from Antarctica, and we have a total solar eclipse coming up later this year visible roughly from Europe. Iceland and Spain will be the two main landfalls…

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  • New Comets: C/2026 B2 Sun-Gao and C/2026 A1 MAPS

    Today we are going to be taking a look at a few comets. The comets that we’re going to be taking a look at are rather newly discovered, I had to add them to Stellarium. I’ve gone into greater detail about that process before, but I will briefly outline it again, for the second comet.…

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  • Every Modern IAU Constellation: All 88!

    Today, we are going to be looking at the constellations. Of course, I take a look at the constellations or at least mention some constellations in almost every piece, even if it’s just what constellation the object that we’re focusing on is in. Today however, we’re going to look at the constellations more generally by…

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  • The February Parade of Planets: 6 out of 7 is Pretty Good!

    Today, we are going to be taking a look towards the end of the month of February to catch the parade of planets. Just a year ago, we had a parade of planets, which was better than the parade of planets we’re getting at the end of February. What is a parade of planets? It’s…

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  • The Colour of Galaxies and What it Tells us

    Today, we are going to take a look at the different colours of galaxies, and some of the reasons behind the different colours. Just a couple of videos ago we took a look at some galaxies and how those galaxies are often classified by shape. Now that we’re getting into the month of February, our…

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  • A Look Ahead to the Month of February / The February Night Sky

    Today we are going to be looking ahead to the night sky for the coming month of February. There are a couple of interesting things happening in February, the greatest elongation of Mercury on the 19th and an annular solar eclipse on the 12th in particular. However, because the annular solar eclipse is mostly going…

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