NGC 2174 is an open cluster in the Orion constellation, embedded in a diffusion nebula. It was discovered by Giovanni Batista Hodierna before 1654 and independently discovered by Karl Christian Bruhns in 1857. NGC 2174 is at a distance of about 6,350 light years away from Earth. The nebula surrounding it is Sharpless catalog Sh 2-252. This is a multi-night exposure totalling 7 hours taken in late December, 2015, processed in the Hubble palette.