s	Arp 26 Ursa Major Category: One heavy arm The Pinwheel Galaxy, M101 has numerous knots and HII-regions along the spiral arms. The arms are somewhat asymmetric, with a much heavier arm to the lower right. Mag 8.3 Type Sc Redshift is 0.0008 (241km/s) Photo: 98-04-25, 12" f/7, 240 sec Arp list