M77 is a giant spiral galaxy located in Cetus

The bright part is approximately 120,000 light years in diameter and 60 million lys distant.

The dim arms extend out to 170.000 lys, compared to our own Milky Way of around 100,000 lys

Dome image with 12" LX200 GPS and ST8E/CFW8 on 10-11-02

Exposure: 70 min lum 1x1, 20 red, 20 green and 40 blue 3x3