Messier 81 (Bode’s Galaxy) and Messier 82 (the Cigar Galaxy) form a famous and contrasting pair of galaxies in the constellation Ursa Major, located about 12 million light-years from Earth. M81 is a classic grand-design spiral galaxy with a bright central core and well-defined spiral arms laced with dark dust lanes and regions of star formation. It appears smooth and orderly, making it one of the finest examples of a spiral galaxy visible to amateur telescopes.

Nearby M82 presents a dramatically different appearance. Classified as an irregular, starburst galaxy, it is seen edge-on as a narrow, elongated shape. Powerful gravitational interactions with M81 have triggered intense bursts of star formation in M82, driving enormous streams of gas and dust outward from its core. Together, M81 and M82 provide a vivid illustration of how galactic interactions can shape structure and activity, and they are a favorite target for observers and astrophotographers alike.