H-alpha imaging of the Local Volume galaxies I. The NGC 6946 galaxy group

I. D. Karachentsev, S. S. Kajsin, Z. Tsvetanov +1

We present new H-alpha imaging of all known dwarf irregular companions to NGC 6946: UGC 11583, KK 251, KK 252, KKR 55, KKR 56, Cepheus 1, KKR 59, and KKR 60. The galaxies span a ra…