RGB 40 40 40 min. TeleVue NP 127fli ASA DDM 60 Pro FLI ML 16200
NGC 7788 is an open star cluster of the Trumpler type I2p in the constellation Cassiopeia in the northern sky. It is around 7700 light years away from the solar system, has a diameter of around 9 light years and is around 40 million years old.
It may form a double cluster with NGC 7790, which is about a quarter of a degree to the southeast.