NGC 5218 och NGC 5216, Keenan's System

Arp 104, also known as Keenan's system, is entry 104 in Halton Arp's Atlas of Peculiar Galaxies catalog for spiral galaxy NGC 5216 and globular galaxy NGC 5218. The two galaxies are joined by a bridge of galactic material spanning 22 000 light years. The galaxies are 153 million light years away. 30*3 min med LPS-D2 filter. Prov av ny OAG från Celestron på RC8"-teleskopet.