Messier 94 - Croc's Eye Galaxy in Canes Venatici

Messier 94 (NGC 4736), often nicknamed the Croc’s (or Cat’s) Eye Galaxy, is a nearby spiral galaxy in the constellation Canes Venatici, located at a distance of roughly 15–17 million light-years. It is classified as an SA(r)ab galaxy and is notable for its highly unusual structure: a bright, compact nucleus surrounded by a prominent inner ring of intense star formation, followed by a much fainter outer disk. This striking contrast gives M94 its distinctive “eye-like” appearance and makes it one of the most structurally intriguing galaxies in the local universe.

The inner ring of M94 is rich in young stars and glowing H II regions, indicating active and ongoing star formation likely driven by resonances within the galaxy’s disk. Beyond this luminous ring lies a low-surface-brightness outer region that appears relatively quiescent, emphasizing how sharply star formation is concentrated toward the center. Although M94 appears fairly isolated, its complex ringed morphology suggests a dynamic internal evolution shaped by subtle gravitational processes rather than strong external interactions.

This image is based on 9 hours of LRGB integration acquired with Telescope Live’s SPA-2-CCD system.