NGC 247 is a nearby spiral galaxy located in the southern constellation Cetus, roughly 11 million light-years from Earth, and is a prominent member of the Sculptor Group, one of the closest galaxy groups to our own Local Group. It is classified as an intermediate spiral galaxy (SAB(s)d), meaning it has a weak central bar and loosely wound spiral arms, giving it a soft, elongated appearance when viewed from Earth. The galaxy is seen at a moderate inclination, allowing its structure to be clearly observed, including lanes of dust and scattered regions of star formation.
One of NGC 247’s most striking features is a large, unusually empty region in its disk known as the “void”, where star formation is remarkably sparse. This area contrasts sharply with the rest of the galaxy, which contains clusters of young, blue stars and glowing hydrogen regions that mark active stellar nurseries along the spiral arms. The cause of this void is still debated, with possibilities ranging from past gravitational interactions to internal processes that disrupted the gas needed to form new stars.
NGC 247 is relatively faint compared to grand-design spirals, but it has a calm, diffuse beauty, characterized by a low surface brightness and a gentle distribution of stars. Its stellar population includes both older, red stars concentrated toward the center and younger stars spread along the arms, indicating a long, ongoing history of star formation at a modest pace. Because of its proximity and well-resolved structure, NGC 247 is an important target for astronomers studying galaxy evolution, star formation in low-density environments, and the dynamics of nearby galaxy groups.
Overall, NGC 247 presents a subtle but intriguing portrait of a spiral galaxy evolving quietly on the outskirts of a small galactic community, offering valuable insight into how galaxies grow and change outside the crowded environments of massive clusters.
PlaneWave Delta Rho 350
10Micron GM2000 HPS
Moravian C5S-100M
Gain 0/2750, F3.0, 1050mm
Celestron RASA 11
10Micron GM1000 HPS
Moravian C1X61000 Pro
Gain 0/2750, F2.2, 620mm