Messier 42 - NGC 1976

• TYPE:  Emission Nebula/Open Cluster
• RA: 05h 35.3'
• DEC:  -05degrees 27'
• SIZE:  66' X 60'
• VISUAL MAGNITUDE:  3.7
• SURFACE BRIGHTNESS:  NA
• CONSTELLATION:  Orion
• DISTANCE:  1500 Light Years
• DIAMETER:  311 Light Years

IMAGING INFORMATION

• TELESCOPE:  Celestron C-11, FL 2800 mm, Schmidt-Cassegrain reflector
• REDUCER/CORRECTOR: Celsetron 6.3
• CAMERA:  Santa Barbara Instruments, ST-8 Digital (Thermoelectrically cooled)
• ADAPTIVE OPTICS: Santa Barbara Instruments, AO-7
• FILTER(S):  Lumicon Oxygen III
• CCD COOLING TEMPERATURE:  -15 C
• BINNING/RESOLUTION:  2 X 2 (765 X 510)
• EXPOSURE TIME:  15 minutes
• NUMBER OF IMAGES: 2
• FILM SPEED:  N/A
• DATE/TIME:  02-13-2002 / 05:28:42 UTC
• LOCATION:  Escondidio, San Diego County, California
• TEMPERATURE:  52 degrees F
• HUMIDITY:  30%

To see the spectra of this object click here

The image below is from a 35mm color slide image I took with the 10-inch Coulter Odyssey and a Pentax K1000 camera. It was taken sometime in the late 1980's.

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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..