What to See in the Irish Night Sky This Winter

There is something particularly special about an Irish winter sky.

The nights are long, Orion returns in all its glory, the faint Milky Way stretches across the darker parts of the sky, and some of the most rewarding objects for beginner astronomers are beautifully placed. Add several bright planets, meteor showers and a whole collection of star clusters and nebulae, and the months ahead offer plenty to look forward to.

From now through February 2027, there will be something worth looking for almost every clear night and you don't need an expensive telescope to get started. A dark location, a warm coat, a pair of binoculars and a little patience can reveal an extraordinary amount.

The equipment you really need

Before getting into the individual objects, here's the good news: astronomy does not have to be expensive.

With your eyes alone

You can see:

• Jupiter
• Saturn
• Mars
• Venus
• Mercury during favourable appearances
• The Pleiades
• Orion and its major stars
• Sirius
• The Milky Way from a very dark location (Kerry and Mayo Dark sky reserves perfect)
• Meteor showers
• The Andromeda Galaxy also under very dark skies

With binoculars

A pair of 10×50 binoculars is an excellent starting point.

They will reveal:

• The moons of Jupiter
• The Pleiades in spectacular detail
• The Hyades
• The Beehive Cluster
• The Andromeda Galaxy and its companions
• The Double Cluster
• Several star clusters in Auriga
• Uranus
• Neptune, although Neptune is considerably more difficult due to its incredibly distant location.

The Irish Federation of Astronomical Societies recommends 10×50 binoculars as a good beginner's choice, along with a red light, star charts or planetarium software and warm clothing.

With a telescope

A small telescope opens up another level of observing.

A 70 to 100 mm refractor or a 4 to 6 inch Dobsonian is enough to provide excellent views of the Moon and planets and many of the deeper bright deep-sky objects.

A larger telescope isn't necessarily better if it means you never take it outside. In changeable Irish weather, something quick and easy to set up can be the ideal telescope to use.

September and October: Saturn takes centre stage

If you're starting your observing season now, Saturn is the planet to find first.

Saturn reaches opposition on 4 October 2026, meaning Earth lies approximately between Saturn and the Sun. Around opposition, Saturn is especially well placed because it is visible for much of the night.

To the naked eye, Saturn looks like a fairly bright, steady, yellowish-white star.

(Above) Saturn as seen with the naked eye from Southern Germany

But point even a modest telescope at it and the difference is enormous.

The rings become visible immediately.

Even a small telescope can show the famous ring system, and with a little more aperture you may also pick out Saturn's largest moon, Titan. Under good conditions, careful observers can begin to see more structure in the rings and the planet itself.

What you need:

• Naked eye: to find Saturn
• Binoculars: useful for locating it, but won't show the rings
• Small telescope: rings become the star of the show

Don't forget Neptune

Neptune reaches opposition in late September, so it's also well placed at the beginning of our observing period.

Unlike Jupiter or Saturn, Neptune is not an easy item to see with the naked-eye. From Ireland you'll want at least binoculars and preferably a telescope.

The reward is subtle: through a medium sized (6" aperture and bigger) telescope Neptune appears as a tiny blue-coloured disc rather than a pinpoint star. However even at that, it's a wonderful example of how astronomy changes your perception of our universe. That tiny blue dot you are looking at is a planet almost 4.5 billion kilometres from the Sun.

October: look south for Orion's return

As October progresses, the great winter constellations begin to take over.

Look towards the east and southeast during the later evening and you'll begin to see Orion rising. Orion is one of the easiest constellations to recognise - Just find the three stars of Orion's Belt and you've found your starting point.

(Above) A photo of the Orion constellation taken with a DSLR camera

From there, look for:

• Betelgeuse - the reddish star marking Orion's shoulder
• Rigel - the brilliant blue-white star at Orion's foot
• Orion's Belt (the three stars lined up in the middle)
• Orion's Sword
• The Orion Nebula (the cloud like glow below Orions belt)

The Orion Nebula is one of the great sights of the winter sky and you don't need a giant telescope to enjoy it. From a reasonably dark location, binoculars will reveal it as a fuzzy patch beneath Orion's Belt. A small telescope begins to reveal its enormous wings of glowing gas and the stars forming inside it.

What you need:

• Naked eye: constellation and Orions Belt
• Binoculars: main nebula core becomes visible
• Small telescope: much more structure and the 'Trapezium star cluster' in the main nebula core becomes visible
  
  

The Pleiades (Seven Sisters): one of winter's easiest treasures

The Pleiades, or Seven Sisters, are among the best objects for beginners because they require almost no equipment.

Find the constellation of Taurus and look for a tiny, compact group of stars - The Pleiades looks like a miniature version of the Big Dipper. Despite the secondary traditional name "Seven Sisters", many people can see more than seven stars once they know where to look and with binoculars, the view becomes spectacular - Instead of a handful of stars, dozens appear scattered across the field of view.

The Pleiades are an open star cluster - a group of stars born together from the same cloud of gas.

What you need:

• Naked eye: excellent
• Binoculars: spectacular
• Telescope: good, although a very wide field of view is often preferable.
  
  

November: Uranus reaches its best

November brings one of the more interesting challenges for binocular observers.

Uranus reaches opposition on 25 November 2026.

It will be visible in the region of Taurus and will be much better placed for observation than it is later in the winter. Uranus is technically close to the limit of naked-eye visibility under exceptionally dark skies, but don't make life difficult for yourself. Use binoculars or a telescope and a good star chart or free astronomy app such as Stellarium.

Through binoculars the planet Uranus looks like a faint star, however through a telescope you can begin to recognise it as a tiny greenish-blue disc. Finding Uranus is also a useful milestone for an amateur astronomer: you've moved beyond simply spotting bright objects and started hunting for something much fainter - so if you managed to locate it, that is a great achievement for amateur astronomers.

What you need:

• Naked eye: very difficult and only under very dark skies
• 10×50 binoculars: recommended (Tripod recommended for stability)
• Telescope: best for confirming its tiny planetary disc.
  
  

November's shooting stars: the Leonids

The Leonid meteor shower reaches its annual peak around 17 November and may be seen near the constellation of Leo.

The Leonids meteor shower aren't guaranteed to produce a spectacular storm every year, but they are worth watching out for, particularly because the meteors can be very fast and occasionally leave persistent trails.

The great advantage is that meteor observing needs no telescope whatsoever. Find somewhere dark, lie back and look at as much sky as possible. Don't stare only at the constellation of Leo, either. Although the meteors appear to originate from a radiant in Leo, they can streak across almost any part of the sky.

What you need:

• No Binoculars or telescope needed
• Comfortable chair or sleeping bag: highly recommended in colder weather
• Dark sky: extremely helpful
  
  

December: the Geminids are the big event

December is arguably the most exciting month for meteor watchers.

The Geminid meteor shower peaks around 13 - 14 December 2026 and is traditionally one of the strongest annual meteor showers. The Geminids are particularly good for northern observers and can produce bright, relatively slow-moving meteors.

The source direction is in the constellation of Gemini, which is very well placed from Ireland during the long winter nights.  The Moon will interfere somewhat in 2026 due to its bright glow, but the Geminids are still well worth watching.

The best approach is simple: get away from artificial lights, give your eyes 20 minutes or so to adapt to the darkness, lie back and watch a large area of sky.

What you need:

• No Binoculars or telescope needed
• Comfortable chair or sleeping bag: highly recommended in colder weather
• Dark sky: extremely helpful
  

And then come the Ursids

The Ursid meteor shower peaks around 22 - 23 December.

It is considerably less active than the Geminids, but it has one advantage for Irish observers: its source direction is very far north, so it remains well placed. Don't expect a large meteor storm. Think of it as an opportunity to spend a cold December night enjoying the view under the stars.

December's deep-sky highlights

The long nights also make December an excellent time for deep-sky observing.

The Double Cluster

Between Cassiopeia and Perseus lies one of the most beautiful binocular targets in the sky: the Double Cluster (NGC 869 and NGC 884)

Two open star clusters sit close together, creating a spectacular sight through binoculars or a low-power telescope. It is particularly rewarding because you don't need sophisticated equipment.

The Auriga clusters

Look towards the constellation Auriga and you'll find several open clusters, including M36, M37 and M38. These are also excellent binocular targets.

M37 in particular is a beautiful collection of stars when viewed through binoculars.

The Crab Nebula — M1

Near Taurus is the remnant of a supernova explosion that was observed by Chinese astronomers in 1054. Today it is known as M1, the Crab Nebula.

Unlike the Pleiades or Orion Nebula, M1 is considerably more difficult to see without a additional equipment and a dark sky and telescope are hugely recommended. It won't look like the spectacular colour photographs you see online, visually, it is a faint, greyish patch but still amazing to see as you're looking at the expanding remains of a star that exploded almost a thousand years ago.

What you need:

• Naked eye: no
• Binoculars: challenging
• 6-inch or larger telescope: much better
• Dark skies: very helpful
  
  

January 2027: Jupiter becomes the planet to watch

January is when the winter sky really comes alive and this year there is a particularly good reason to keep an eye on Jupiter.

Jupiter is heading towards opposition in February, becoming increasingly prominent through January. By now the planet will be an unmistakably bright object in the evening sky and Jupiter is one of the easiest planets to observe because its so bright, but it is also one of the most rewarding targets for a small telescope and even binoculars.

Even binoculars can reveal its four largest moons:

• Io
• Europa
• Ganymede
• Callisto

Their positions change from night to night and sometimes from hour to hour which is great to see and a small telescope will also reveal Jupiter's dark atmospheric belts. Watch on different nights and you'll see the moons moving around the planet. Occasionally one will pass across Jupiter's face and with a larger telescope (6" or bigger) and good sky conditions you will see it casting a tiny shadow on the planet Jupiter itself.

What you need:

• Naked eye: excellent
• Binoculars: even better with four larger moons visible sometimes
• Small telescope: cloud belts and moons
• Larger telescope: considerably more atmospheric detail on the planet including the great red spot.
  
  

January 2027: the Quadrantid meteor shower

The first major meteor shower of 2027 arrives almost immediately.

The Quadrantids peak on the night of 3 - 4 January 2027, with the predicted maximum occurring around 03:30 UTC on 4 January. The timing is also particularly interesting for Ireland and the rest of Europe, and the Moon will be only a thin waning crescent, meaning moonlight should not seriously interfere with the shower.

The Quadrantids have a very short peak, so timing matters more than it does for some other meteor showers. Under dark skies, observers can potentially see dozens of meteors per hour, with occasional bright fireballs.

Again, no telescope is required.

What you need:

• Dark location
• Clear sky
• Warm clothing
• Reclining chair
• Wide view of the sky
  

January's other great target: the Beehive Cluster

As winter progresses, The constellation of Cancer becomes increasingly well placed.

Inside it is M44, a star cluster better known as the Beehive Cluster. The Beehive is another object that demonstrates just how useful astronomy binoculars can be. To the naked eye it can look like a faint, hazy patch under a dark sky. Through binoculars it resolves into a large collection of individual stars.

A telescope with too much magnification can actually make it less impressive because the cluster is spread over a relatively large area of sky so for this particular object, Astronomy Binoculars are much more useful.

February 2027: the big planetary double act

February is definitely the month I would circle on the calendar as two planets of our Solar System reach opposition within days of each other - meaning they are at their closest point to planet Earth and the perfect time to view them through a telescope.

Jupiter - 10 February 2027

Jupiter reaches opposition on 10 February 2027. At opposition its positioned opposite the Sun in our sky, meaning it is visible for much of the night and is particularly well placed for observation. This is an excellent time to observe Jupiter. If you've got a telescope, spend some time watching the planet rather than simply taking a quick look.

Look for:

• The two major equatorial belts
• The four Galilean moons
• Changes in the positions of the moons
• Moon shadows crossing Jupiter
• The Great Red Spot when it is facing Earth

Even a modest telescope can provide a surprisingly detailed view. Visual filters will also really help.

Mars - 19 February 2027

Just nine days later, Mars reaches opposition on 19 February 2027. This makes February an unusually exciting month for planetary observers. Mars will be in the constellation of  Leo, alongside Jupiter in the same general region of the sky.

Mars will appear distinctly orange-red and should be easy to distinguish from the surrounding stars. At opposition, Mars is also at its closest and brightest for this apparition.

A telescope with good optical quality and steady atmospheric conditions can reveal surface markings and the planet's polar regions, although Mars is considerably more demanding to observe than Jupiter and like Jupiter, visual planetary filters can help to make out more surface detail, especially with larger telescopes.

Don't be disappointed if your first view is simply a small orange disc. as Mars is a difficult target because its apparent size is much smaller than Jupiter's, and Irish atmospheric turbulence can make fine detail difficult with the turbulent atmosphere over the norther part of our planet.

What you need:

• Naked eye: excellent for finding Mars
• Binoculars: useful for locating it, but little surface detail
• Telescope: recommended
• Larger telescope and very steady air: better for surface features
  
  

Venus: the brilliant morning star

While Jupiter and Mars dominate the night sky, Planet Venus takes a different shift.

Around early January 2027, Venus reaches its greatest western elongation and is a brilliant object to see in the morning sky. Around this time of the year look towards the southeast before sunrise and you will see an incredibly bright looking star - that it, Planet Venus

Venus is so bright that it can be mistaken for an aircraft or even something unusual in the sky if you're not expecting it. Through a telescope, Venus is also interesting because it displays phases, much like the Moon.

What you need:

• Naked eye: excellent
• Binoculars: not necessary
• Small telescope: shows the phase

Remember that Venus is close to the Sun in the sky. Never use binoculars or a telescope anywhere near the Sun.

Mercury makes a brief February appearance

Mercury is the most difficult of the naked-eye planets because it never strays very far from the Sun.

There is, however, a useful opportunity too see it in early February 2027. Mercury reaches greatest eastern elongation on 2 February, making it relatively well placed in the evening sky - Look low towards the western horizon shortly after sunset. This is a target where having a completely unobstructed horizon makes a big difference as it is normally very low on the horizon. Important: Don't use binoculars or a telescope until the Sun has completely set below the horizon.

What you need:

• Naked eye: possible
• Binoculars: useful once the Sun is safely below the horizon
• Telescope: useful for seeing its phase
• Clear western horizon: essential
  
  

The winter sky from Ireland is packed with incredible astronomical objects to see including the planets, open star clusters, nebulae and bright stars. Despite Irelands unpredictable weather, when its clear our Island can really be an Astronomers dream location.

So to summarise, in addition to the moon and planets here's some of the best deepspace targets to look out for:

Object	What it is	Best equipment
M45 Pleiades	Open star cluster	Naked eye / binoculars
M42 Orion Nebula	Emission nebula	Binoculars / telescope
M31 Andromeda	Galaxy	Naked eye under dark skies / binoculars
Double Cluster	Two open clusters	Binoculars
M35	Open star cluster	Binoculars / telescope
M36, M37, M38	Open star clusters	Binoculars / telescope
M44 Beehive	Open star cluster	Naked eye under dark skies / binoculars
M1 Crab Nebula	Supernova remnant	Telescope + dark sky
M41	Open star cluster	Binoculars / telescope

Don't forget Andromeda

Although the Andromeda Galaxy belongs more naturally to the autumn sky, it remains visible also during the early winter evenings.

Under a dark Irish sky, M31 can be seen without binoculars once you know where to look. Its literally one of the most extraordinary things you can see with your own eyes as the faint smudge in the night sky isn't a cloud or a nearby nebula. It is an entire galaxy containing hundreds of billions of stars, more than two million light-years away from our own Milkyway Galaxy. Let that sink in! and you are viewing it with your own eyes.

From an urban location, however, light pollution can make it extremely difficult if not impossible to see but its worth taking a trip to a dark sky sight just to see it.

Where should you observe from in Ireland?

Ireland has a major advantage for astronomy compared to many other regions in that there are still areas with genuinely dark skies - Mainly out west and south west but some in the east too.

The Irish Federation of Astronomical Societies highlights locations including the Kerry International Dark Sky Reserve, the Burren, Wicklow Mountains, Sperrins and Connemara as useful dark-sky areas.

You don't necessarily have to drive for hours, though. Even moving from a town or city to a rural area can make an enormous difference.

For deep-sky observing, the biggest enemies are:

1. Streetlights
2. Nearby buildings and houses
3. The Moon
4. Clouds (of course)
5. Your own eyes not being dark adapted - Give your eyes roughly 15–20 minutes to adapt to darkness and you'll be surprised how many more stars become visible.

A red-light torch is much better than a normal white torch because it preserves your night vision for longer too.

We hope you found this article useful and wish you clear skies for this Winter! If you don't already have Astronomy Binoculars or a small Telescope and you want to take your next step in Astronomy you can check out our collections below.

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