Messier 97 - NGC 3587

"Owl Nebula"

• TYPE:  Planetary Nebula Type 3a
• RA: 11h 14.8'
• DEC:  +55degrees 01'
• SIZE:  3.0' X 3.0'
• VISUAL MAGNITUDE:  9.9
• SURFACE BRIGHTNESS:  16.1
• CONSTELLATION:  Ursa Major
• DISTANCE:  3 Thousand Light Years
• DIAMETER:  3 Light Years

IMAGING INFORMATION

• TELESCOPE:  RCOS Carbon fiber 10 inch R/C reflector, on a Parramount GT1100
• REDUCER/CORRECTOR:  None / operating at 9.0 FL
• CAMERA:  Santa Barbara Instruments Group, ST-8XME Digital (Thermoelectrically cooled)
• ADAPTIVE OPTICS:  None, Off-axis guiding with a ST402XME and a Astro Don ROAG
• FILTER(S):  Astro Don LRGB
• CCD COOLING TEMPERATURE:  -20 C
• BINNING/RESOLUTION:  2 X 2 (765 X 510) LRGB resized to 1530x1020
• EXPOSURE TIME:  5 min. Luminance,Red, Green, Blue.
• NUMBER OF IMAGES:  5, 5, 5, 5
• FILM SPEED:  None
• DATE/TIME:  12-31-2008 / 08:58:35.693 UTC
• LOCATION:  Valley Center, California
• TEMPERATURE:  52 degrees
• HUMIDITY:  39%

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.