M45 - The Pleiades
The Pleiades, or Messier 45, is a star cluster about 450 light years away from us. It is very easy to spot in the sky with your bare eyes if you know where to look. The cluster is formed of relatively young and very hot stars, all formed within the last 100 million years or so. So around the time dinosaurs still roamed the Earth or later!
The name of the cluster is Subaru in Japanese, and the car brand Subaru has it in their logo too!
The image was exposed for a total of 5 hours with Chroma LRGB filters, a ZWO ASI2600MM camera, Sky-Watcher Esprit 100ED refractor telescope and an APM Riccardi 0.75x focal reducer.