Duplo enxame de Perseu NGC 7789 Enxame aberto - Open cluster , mag 6.7 *6.6, dim 25', n* 583 Cas, 23:57:28.6 +56 43 00

NGC 7789 Takahashi SKY90 f/4.5 (400mm)+Nikon D70 4,0" res Takahashi P2Z exp: 2' (1x120") iso 400 MAG 6 (clique na imagem - click on the image)