Messier 100
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Image by Kevin Hearst 

M 100 - NGC 4321

 

  • TYPE:  Spiral Galaxy, Type SAB(s)bc I
  • RA: 12h 22.5'
  • DEC:  +15degrees 52'
  • SIZE:  7.4' X 6.3'
  • VISUAL MAGNITUDE:  9.3
  • SURFACE BRIGHTNESS:  13.0
  • CONSTELLATION:  Coma Berenices
  • DISTANCE:  55 Million Light Years
  • DIAMETER:  81 Thousand 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
  • BINNING/RESOLUTION:  1 X 1 (1530 X 1020)
  • EXPOSURE TIME:  60 minutes
  • NUMBER OF IMAGES:  2
  • FILM SPEED:  None
  • DATE/TIME:  04-13-04 / 08:24:43 UTC
  • LOCATION:  Valley Center, San Diego County, California
  • TEMPERATURE:  51 degrees F
  • HUMIDITY:  50 %

 

All the images in this site are Copyright 1999-2015 by Kevin Hearst.
Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited..