Messier 13 - NGC 6205

• TYPE:  Globular Cluster Class V
• RA: 16h 41.7'
• DEC:  +36degrees 28'
• SIZE:  16.6'
• VISUAL MAGNITUDE:  5.7
• SURFACE BRIGHTNESS:  12.7
• CONSTELLATION:  Hercules
• DISTANCE:   25 Thousand Light Years
• DIAMETER:  145 Light Years

IMAGING INFORMATION

• TELESCOPE:  Celestron C-14, FL 3910 mm, Schmidt-Cassegrain reflector, on a Paramount GT1100 mount.
• REDUCER/CORRECTOR:  Celestron 6.3
• CAMERA:  Santa Barbara Instruments, ST-8 Digital (Thermoelectrically cooled)
• ADAPTIVE OPTICS:  Santa Barbara Instruments, AO-7
• FILTER(S):  None
• CCD COOLING TEMPERATURE:  -5 C
• BINING/RESOLUTION:  1 X 1 (1530 X 1020)
• EXPOSURE TIME:  60 minutes
• NUMBER OF IMAGES:  1
• FILM SPEED:  N/A
• DATE/TIME:  03/20/2004 / 09:35:41 UTC
• LOCATION:  Valley Center, San Diego County, California
• TEMPERATURE:  57 degrees F
• HUMIDITY:  59 %

All the images in this site are © Copyright 1999 to Infinity by Kevin Hearst.
Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited..