Messier 17
Messier 17 Messier 27 Messier 42 Messier 57 NGC 2261 NGC 7635 IC 434 M97 IC 5146 NGC2392 NGC 1514 NGC 6781
Home
Galaxies
Nebulas
Supernovas
Star Clusters
Star Groups
Moon & Planets
Comets
Wide-Field Images

Image by Kevin Hearst 

Messier 17 - NGC 6618

"Swan Nebula"

  • TYPE:  Emission Nebula/Open Cluster
  • RA: 18h 20.8'
  • DEC:  -16degrees 11'
  • SIZE:  46' X 37'
  • VISUAL MAGNITUDE:  7.0
  • SURFACE BRIGHTNESS:  9.3
  • CONSTELLATION:  Sagittaruis
  • DISTANCE:  5000  Light Years
  • DIAMETER:  75 Light Years

IMAGING INFORMATION

  • TELESCOPE:  Celestron C-14, FL 2800 mm, Schmidt-Cassegrain reflector on a Parramount GT1100
  • REDUCER/CORRECTOR:  OPTEC 0.5 Reducer, NGF-S w/SmartFocus
  • CAMERA:  Santa Barbara Instruments, ST-8 Digital (Thermoelectrically cooled)
  • ADAPTIVE OPTICS:  Santa Barbara Instruments, AO-7
  • FILTER(S):  None
  • CCD COOLING TEMPERATURE:  -5 C
  • BINNING/RESOLUTION:  1 X1 (1530 X 1020)
  • EXPOSURE TIME:  30 minutes
  • NUMBER OF IMAGES:  1
  • FILM SPEED:  None
  • DATE/TIME:  08-07-2004 / 05:21:31.011 UTC
  • LOCATION:  Mount Laguna Campground, San Diego County, California
  • TEMPERATURE:  Unknown
  • HUMIDITY:  Unknown

 

All the images in this site are Copyright 1999-2012 by Kevin Hearst.
Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited.