M  42

M 42

HII

HII — SIMBAD verified

The Orion Nebula, M42, is a magnificent star-forming region glowing brightly in the sword of the Orion constellation. It is one of the most brilliant and easily visible diffuse nebulae in the night sky, showcasing the youthful Trapezium cluster at its heart.

Key Facts

RA (J2000)

5h 35m 16.8s

Dec (J2000)

−5° 23′ 15″

Best Season

Winter (Dec–Feb)

How to Find It

Locate Orion’s Belt, then look just below it for the fuzzy patch of light that forms the sword; M42 is the central object within this region.

Observing Tip

Use a UHC or OIII filter with your eyepiece to increase the contrast of the nebulous gas clouds against the dark sky background.

Cookie Settings

We use essential cookies to keep you signed in and run the app — these are not used to track you. With your permission, we also load optional HubSpot analytics cookies to understand how the app is used. These are never loaded unless you opt in, and we do not track you across other apps or websites. You can change your choice anytime in your profile settings or our cookie policy.