Just stepping into this field. For the users to get the grasp of the size and scale of the objects populating our night (and day) skies, I take attention to keep the same scale (a field of view of about 41.2x27.5 arcminutes) and start by introducing the most familiar objects.
Astrophotograph of the Great Globular Cluster from Hercules constellation, known under the designation of M13 (Messier Catalogue index 13) or NGC 6205. The cluster consists of about 300'000 stars concentrated in a region of about 145 light-years in diameter and is located 25'100 light-years away from Earth.
Publishing date: 01-01-2000 ¦
Picture index number: 230