Caoimhín's Content

Astronomical and Educational content, in English and Irish

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  • That’s not the Boötes Void, that’s a Bok Globule . . .

    Today, we are going to take a look at a couple of different things. We’re going to start by taking a look at the constellation Bootes or Boötes, (or Böötes or Böotes). It is a tricky one to pronounce, but it isn’t a tricky one to find, especially at this time of the year. From

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  • Far Future Events: Venus in 2104 Occulting Neptune and More!

    Today, we are yet again going to be looking into the future and a little bit further than we have recently. I will of course, get back to all of the wonderful things happening this month, the eclipses, the occultations, the conjunctions, there’s lots of great stuff going on this month. For today however, we’re

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  • September: Stars and Saturn

    Today, we are going to be taking a look at the night sky in September again. We will be looking at the sky for the month coming up, but we will be concentrating on the stars. There are so many exciting things coming up in September that in my previews of this September so far

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  • Eclipses from the Sun and the Moon | Uruithe ón Ghrian agus an Ghealach

    Today, we will be looking at a couple of eclipses. We will be looking at the Moon going in front of the Sun and also we will be looking at the Moon going behind the Earth. We are looking at some of the same eclipses we’ve looked at recently, but from a different perspective. We

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  • A Look Ahead to September: An Eclipse, An Occultation and Oppositions!

    Today we are going to take a quick look ahead to the month of September. We’ll start with the sunset in early September. Early in September the sky won’t be too different from what we’re seeing in August, but it will be starting to get darker a little bit earlier once we’re a little into

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  • The Blood Moon: September Lunar and Solar Eclipse 2025!

    Today, we are yet again looking into the future and we are yet again looking at an eclipse. However, we’re going to be looking not particularly far into the future, as you can see here, we’ve gone forward to the 6th of September and we will be looking at an eclipse that will be visible

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  • This August and the Next: A Conjunction and an Eclipse!

    Today, we are going to look at the sky for August. We’re beginning with the morning sky in late August this year. There are plenty of planets and some interesting conjunctions on the 20th. We’ll cover just a couple of the things that are still coming up this month before we take a look a

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  • The Next Transits of Mercury: 2032 and 2039!

    Today, we are yet again going to be looking into the future, into the reasonably distant future this time, but not quite as far as some previous videos. We will be looking forward into the 2030s, and we will also be looking a few months into the future, forward to November, in this case November

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  • Mercury’s August Morning Elongation and Brightness

    Today, we are going to be taking a look at the planet Mercury. Some of this will cover general features of the smallest planet in the solar system, but we are going to be looking at Mercury in particular because of its greatest elongation coming up on the 19th of August. From midday on the

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  • August Meteor Showers: The Perseids and More!

    Today, we’re going to be taking a look at the Perseid meteor shower and the Eta Eridanid meteor shower, along with a couple of others. To begin with, before we move into darkness, before we move into the countryside, before we do anything else, I’m going to set the number of meteors in the Stellarium

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