A turbulent little galaxy with a fierce central starburst, drifting on the edge of the Sculptor Group.
NGC 625 is a Magellanic barred irregular galaxy classified as SB(s)m pec, lying just 12.7 million light-years away in the constellation Phoenix. Only about 21,000 light-years across, it is undergoing intense centralized star formation, producing bright clusters of massive young stars and H II regions concentrated along its inner bar-like structure.
Spectroscopic studies reveal the presence of Wolf–Rayet stars, evidence of short-lived, high-mass stellar evolution triggered by the current starburst phase. The galaxy’s asymmetry and flared outer envelope suggest that NGC 625 has likely been disturbed by past gravitational interaction with nearby Sculptor Group members, compressing gas and driving star formation into its core.
Dozens of background galaxies lie behind it, emphasizing how small this system is compared to the massive spirals found elsewhere on the sky. Despite its modest scale, NGC 625 is one of the nearest actively star-forming dwarf galaxies beyond the Local Group, offering a rare glimpse into the chaotic evolution of gas-rich galaxies under external influence.
Imaged in LRGB on my Planewave CDK 1000 at Observatorio El Sauce, Chile.
Image acquisition and processing: Mike Selby