Object: Open cluster STOCK 4 Constell: PER RA: 01h 52.8m Decl: +57° 04' Epoch: 2000 Mag: Size: 20' Type: III 1 p Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 2./3.10.1992, 23.00 Telescope: N 205/1000 Magn: 63x Filter: Field: 60' NE Lim.mag: 5.5m Background sky: 3 Seeing: 3 Weather: Brightness: 2 Alt: Description: A beautiful cluster of about 25 stars, size about 12'. Est. mag. 7.5m. The stars tend to be in small clumps of 3- 6. Est. Tr-type III 2 p. Brightest stars about 11m.