| 39 | | ||'''September'''|| || || || || || || || || || || || || || || |
| | 39 | ||'''September'''|| ||Albireo|| ||Binary Star|| ||3.1 mag|| ||35" apart|| ||>=Binoculars|| ||High constrast binary with one star red, one star blue.|| ||[http://en.wikipedia.org/wiki/Albireo 1]|| |
| | 40 | || || ||Hercules Cluster (M13)|| ||Globular Cluster|| ||5.8 mag|| ||20'x20'|| ||>= 6"|| ||Appears as a faint white cloud, can see stars in it. View improves dramatically with larger aperture.|| ||[http://www.seds.org/Messier/m/m013.html 1] [http://en.wikipedia.org/wiki/Messier_13 2]|| |
| | 41 | || || ||Ring Nebula (M57)|| ||Planetary Nebula|| ||8.8 mag|| ||1.4'x1.0'|| ||>= 6"|| ||Appears as a faintly colored ring, small.|| ||[http://www.seds.org/Messier/m/m057.html 1] [http://en.wikipedia.org/wiki/Messier_57 2]|| |
| | 42 | || || ||Double Cluster (NGC 869 + 884)|| ||Open Cluster|| ||4 mag|| ||60'|| ||>=Binoculars|| ||Two bright, resolved star clusters side by side. Needs a wide FOV.|| ||[http://seds.org/~spider/ngc/ngc.cgi?869 1] [http://en.wikipedia.org/wiki/Double_cluster 2]|| |
| | 43 | || || ||Andromeda Galaxy (M31)|| ||Spiral galaxy (Sb)|| ||3.4 mag|| ||178'x63'|| ||>= 8"|| ||Can only see core in telescope, appears as faint, white cloud.|| ||[http://www.seds.org/Messier/m/m031.html 1] [http://en.wikipedia.org/wiki/Messier_31 2]|| |
| | 44 | || || ||Owl Cluster (NGC 457)|| ||Open Cluster|| ||6 mag|| ||13'|| ||>=10"|| ||Star cluster shaped like a bird with outstretched wings, with two bright stars for eyes. Nice with 12" dob.|| ||[http://seds.org/~spider/ngc/ngc.cgi?457 1] [http://en.wikipedia.org/wiki/Owl_Cluster 2]|| |
| | 45 | |
