M13 -- Great Hercules Cluster

Object

Type                      Globular Cluster

Constellation            Hercules

Distance                 25000 light years

Magnitude               5.8

Size                       20 arc-min

Image

Date                       2006-05-27

Place                      Adams Ranch Dark Sky Site

Exposure Data          LRGB  90:30:30:30 mins @ -5C

                             Lum 18x5, R 6x5, G 6x5, B 6x5

Notes                    

Equipment

Optics                    Takahashi FSQ-106

Focal Length            530 mm @f/5

Mount                     Takahashi NJP

Camera                   SBIG ST-10XME

Focuser                  Robo-Focus

Filters                     CFW-10, Astrodon LRGB

Software                 TheSky6, CCDSoft, Maxim DL, CCDSharp, PhotoShop CS