Messier 11 - NGC 6705

"The Wild Duck Cluster"

• TYPE:  Open Cluster 200* Tr Type I 2r
• RA: 18h 51.1'
• DEC:  -06degrees 16'
• SIZE:  13.0'
• VISUAL MAGNITUDE:  5.8
• SURFACE BRIGHTNESS:  N/A
• CONSTELLATION:  Scutum
• DISTANCE:   5,460 Light Years
• DIAMETER:  22 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:  -0 C
• BINNING/RESOLUTION:  2 X 2 (765 X 510)
• EXPOSURE TIME:  5 minutes
• NUMBER OF IMAGES:  1
• FILM SPEED:  None
• DATE/TIME:  07/20/2003 / 07:06:53 UTC
• LOCATION:  Valley Center, San Diego County, California
• TEMPERATURE:  Unknown
• HUMIDITY:  Unknown

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Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited..