Mostro cosmico incombente su un lontano mondo alieno

A terrible entity from the dark depths of space looming over the horizon of a planet. It has terrible eyes, a huge dark mouth and long arms with claws. It is the size of a large asteroid. There are Federation spacecraft speeding towards it to fight off the massive entity. Done in a futuristic science fiction style with many technical elements along with a fantasy art style for dynamic color and action.