NGC 7789, Caroline's Rose

A lovely open cluster in Cassiopeia. Read more.

NGC 7789

Telescope

Esprit 120ED APO Triplet

Camera

Atik one 6.0

Mount

Skywatcher Eq6-R

Flattener

TSFlat2,5

Guiding camera

Starlight Xpress Lodestar

OAG

TS 2" Off Axis Guider

Exposure

12 * 120sec RGB, 31 * 180sec L