Posted in Collinder Catalog, CR 26, Deep Sky Objects, IC 1805, Index Catalog, Mel 15, Melotte
Tags: Collinder 26, emission nebula, IC 1805, Mel 15, open cluster
Posted in Arp 114, Arp 25, Arp Catalog, Deep Sky Objects, IC 455, Index Catalog, New General Catalog, NGC 2276, NGC 2300, UGC 3740, UGC 3798, Uppsala Gen. Catalog
Tags: Arp 114, Arp 25, Cepheus, galaxy, IC 455, NGC 2276, NGC 2300, UGC 3740, UGC 3798
Posted in Deep Sky Objects, IC 1296, Index Catalog, M57, Messier Catalog, New General Catalog, NGC 6720
Tags: DSO, M57, NGC 6720, Paul Rix, planetary nebulae, Ring Nebula