NGC 3766

10 minutes exposure, Fuji Superia 400 film.
5" f/5 refractor, prime focus.
NGC 3766 is bright and very attractive open cluster in Centaurus. The cluster is quite compact and the stars display a variety of colours, with a pair of prominent orange stars on either side of the cluster.

50 minutes exposure, Fuji Superia 400 film.
5" f/5 refractor, prime focus.

The above two images combined in Photoshop.

20 minutes exposure, Fuji Provia 1600 slide film.
5" f/5 refractor, prime focus.