The short answer: Andromeda
For most observers in the northern hemisphere, the easiest galaxy to see with a telescope is the Andromeda Galaxy, also known as M31. It is the largest and brightest galaxy in northern skies, and under a reasonably dark sky it can be seen without any optical aid as an elongated, faint glow. In a telescope, it is easy to find and easy to recognize.
Why Andromeda is easy
- Brightness: It is roughly magnitude 3 to 4 in total, bright for a galaxy, though its light is spread out.
- Size: Its faint outer regions span several times the width of the full Moon in the sky, though visually you will see less of that.
- Location: It sits near the “W” of Cassiopeia and the Great Square of Pegasus, which are autumn landmarks in the northern hemisphere (see the most famous constellations). A star-hop from those bright stars leads to it.
- Companions: Two small companion galaxies, M32 and M110, may be visible in the same field at low power.
What you will actually see
Expect a bright, oval core with a gradually fading haze around it. Dust lanes and spiral arms are generally not visible in small telescopes, and the galaxy looks gray, not colorful. A wide-field, low-power eyepiece works best (see the telescope eyepieces guide), and binoculars give a surprisingly good view. For tips on getting the most from faint objects, see how to see galaxies with a telescope.
Other easy galaxies
| Galaxy | Where / when | Notes |
|---|---|---|
| Andromeda (M31) | Autumn evenings, northern hemisphere | Best first galaxy |
| M81 and M82 | Ursa Major, high in spring | Two galaxies in one low-power field in many telescopes |
| Triangulum (M33) | Near Andromeda | Large but low contrast; needs dark sky |
| Whirlpool (M51) | Near the Big Dipper’s handle | Appears as two glows in modest scopes; spirals are difficult |
| Sombrero (M104) | Virgo, spring | Small, with a hint of an elongated shape |
| Large and Small Magellanic Clouds | Southern hemisphere | Visible by eye from dark southern sites |
If you live in the southern hemisphere, the Magellanic Clouds are probably the easiest galaxies to see. They are satellites of the Milky Way and need no telescope from a dark location, though a telescope reveals star clusters and nebulae within them.
Tips for success
- Find a dark spot and let your eyes adapt for about 20 to 30 minutes.
- Use the widest field eyepiece you have.
- Try averted vision, looking slightly aside from the glow.
- Avoid observing when the Moon is bright.
- Observe when the galaxy is high in the sky, where less atmosphere dims it.
If you own a small instrument, see what you can see with a 90mm telescope for what to expect. A general overview of telescope views is in our guide to what things look like through a telescope.
Which galaxy is prettiest? Which has the most stars?
“Prettiest” depends on taste and on whether you mean visually or in photographs. In images, spiral galaxies such as M51 and M31 are often favorites, and deep sky astrophotography for beginners covers how to capture them. Visually, edge-on or bright galaxies like M82 and M104 can look more distinctive than faint face-on spirals.
For star counts, numbers are estimates. Andromeda is often said to hold around a trillion stars, while the Milky Way is thought to hold a few hundred billion. Some giant elliptical galaxies may hold more, but they are far too faint for casual viewing.
Frequently asked questions
Can I see Andromeda from a city? The core can often be seen with binoculars or a telescope if you know where to look, though the fainter outer regions will be lost.
Is there a better telescope than James Webb? Webb is built for infrared observations from space, so it does a different job from a backyard telescope. Each is suited to different goals.
What kind of telescope is best for beginners who also want planets? A modest refractor or reflector of around 80 to 130mm aperture is a common beginner choice and shows planets and bright galaxies; our telescope buyer’s guide has more.