Object: Nonex-avoin joukko NGC 6904 Constell: VUL RA: 20h 21.8m Decl: +25° 45' Epoch: 2000 Mag: Size: 5' Type: IV 2 p (own) Observer: Jere Kahanpää Obs. place: Hartola, Finland Date/Time: 20./21. 8.1996, 00.15 Telescope: N 205/1000 Magn: 133x Filter: Field: 22' NE Lim.mag: 6.0m Background sky: 2-3 Seeing: 2 Weather: +14°, no Moon. Brightness: 4 (3) Alt: 55° Description: A group of faint stars around a mag. 11 star. Diam 4.5'. The 11m star is near the W edge of the group and a slightly fainter star is 2.5' E = in the center of the group. 20 stars. Orig. descr J Herschel: "A small straggling cl. of stars 10-11m. One of the 9m, whose place is taken."