NGC 2261

"Hubble's Variable Nebula"

• TYPE:  Emission  and Reflection Nebula
• RA: 06h 39.2'
• DEC:  -08degrees 44'
• SIZE:  3.5' X 1.5'
• VISUAL MAGNITUDE:  3.7
• SURFACE BRIGHTNESS:  NA
• CONSTELLATION:  Monoceros
• DISTANCE:  3000 Light Years
• DIAMETER:  3 Light Years long and 1.5 Light Years wide

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:  1
• FILM SPEED:  None
• DATE/TIME:  02-13-2002 / 06:46:44 UTC
• LOCATION:  Escondidio, San Diego County, California
• TEMPERATURE:  48 degrees
• HUMIDITY:  37%

All the images in this site are © Copyright 1999-2012 by Kevin Hearst.
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