Object: Open cluster NGC 7788 & NGC 7790        Constell: CAS

RA: 23h 56.7m (-88)     Decl: +61° 24'          Epoch: 2000
Mag: 9.4m/8.5m  (88/90) Size: 9' / 5'           Type: I 2 p
                                                      III 2 p
Observer: Jere Kahanpää
Obs. place: Hartola, Finland
Date/Time: 24./25.8.1996, 23.35

Telescope: N 205/1000
Magn: 80x               Filter:
Field: 37'              NE Lim.mag: 5.2m
Background sky: 3-4     Seeing: 2-3
Weather:  +9 °C, 2/3 low SW.       

Brightness:  3, 3       Alt: 65°
Description: 2 cluster with very different characteristics:
NGC 7788: Near the center of the field. Slightly larger than -
90, diam. about 9'. A scattered and irregular group of 25 stars
on the N side of a mag. 9 star. Brightest stars at mag. 11. Est.
Tr-type III 1 p

NGC 7790: SE of NGC 7788. Quite small, total diameter about 7'.
There is a boomerang-shaped nebulous knot (1.5') on the E side.
15-20 stars total dedending on what still counts as a member.