Galaxies · Pisces

M74

NGC 628 · M74

Find in Sky

Details

Magnitude

9.40

Angular size

10.5′ × 9.5′

Messier

M74

NGC

628

What you can realistically expect

Face-on spiral with extremely low surface brightness — one of the toughest Messier objects, requiring truly dark skies.

A famously faint face-on spiral — the classic 'photograph is much easier than eyepiece' target.

Challenging

What is it?

M74 is a beautiful face-on spiral galaxy in Pisces, about 32 million light-years away. Despite its dramatic astrophotographic appearance, it is one of the most notoriously difficult Messier objects to observe visually — its low surface brightness spreads its light thinly.

Why observe it?

M74 is a perfect example of why astrophotography is not the same as visual observation. In photographs it is a stunning spiral; in the eyepiece it is a very diffuse, faint glow — a valuable lesson in realistic expectations.

What will I see?

Small telescope

Very faint and diffuse — often just a barely-detectable smudge, if visible at all. Light-polluted skies can hide it completely.

Medium telescope

Under dark skies, a soft round glow with a slightly brighter core. Spiral arms are essentially invisible visually.

Astrophotography

Photography

Long exposures reveal the full face-on spiral structure and the delicate arm pattern. This is why photographs of M74 look so dramatic.

Reference imagery from long-exposure photography usually shows far more colour and structure than the human eye can see through a telescope.

Reference image

Processed image

NASA, ESA and the Hubble Heritage (STScI/AURA)-ESA/Hubble Collaboration; Acknowledgment: R. Chandar (University of Toledo) and J. Miller (University of Michigan) · NASA Science / Hubble Messier catalog

Long-exposure or processed astronomy images can show much more colour and structure than you may see through an eyepiece.

Observing tips

Dark skies are essential. Try only on nights of good transparency, with the galaxy near the meridian.
Averted vision (looking slightly to the side of the galaxy) helps pick up its faint light.
If the phone points at M74 correctly but you see nothing, the Finder is not broken — this is genuinely a difficult visual target.

Interesting facts

About 32 million light-years away.
Contains an estimated 100 billion stars.