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:  N/A
• 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 to Infinity by Kevin Hearst.
Commercial use of these images without the prior written consent or knowledge of the author is strictly prohibited..