About this Object: Messier 13 or M13 (also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster) is a globular cluster in the constellation of Hercules. M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, M13 is 25,100 light-years away from Earth.
About this Photo:This is one of my earliest Astrophotos, taken while I was still trying to figure out the equipment.
Location: From my driveway in Georgetown, Texas
Telescope: Orion 80ED refractor @ f/7.5
Mount: HEQ-5
Guiding: Orion StarShoot AutoGuider / Orion ST-80 Guidescope
Camera: Nikon D80
Exposure: 32 x 30 sec @ ISO 1600 (16 min.)
Acquisition: ImagesPlus 3.75 Camera Control
Processing: ImagesPlus 3.75 – Darks,Flats,Bias
Post-processing: Adobe Photoshop CS3 Date(s): May 31, 2009 Temperature(s): 80-68º F