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NGC6992 and NGC6995 Eastern Veil Nebula

Objects Information
Objects in image from top to bottom

• Constellation: Cygnus
• Eastern Veil Nebula
• NGC 6992
• NGC 6995
  • SEDS NGC 6960, 6979, 6992, 6995: The Veil Nebula
  • Wikipedia Veil Nebula
  • Astronomy Picture of the Day Wisps of the Veil Nebula
  • Astronomy Picture of the Day NGC 6992: A Glimpse of the Veil
  • Astronomy Picture of the Day The Veil Nebula Unveiled

Image Information

• Field of view: 118 arcminutes wide x 77.1 arcminutes high
• Image is half size
• North is top and west is right
  
• Exposure: 41 images x 120 seconds per image (82 minutes total)
• CCD-TEMP: -27°C
• Astronomik Type IIc Luminance filter
• Guided

Observing Information

• OBS-Location: Oregon Star Party (OSP), OR USA
• TIME-Local of first image = 10:21 PM August 30, 2008
• TIME-Local of last image = 11:36 PM

Imaging Equipment

• CCD camera: QSI 532ws-M1 (9.7mm x 14.9mm)
• Telescope: Tele Vue NP-101is APO refractor (4 inch dia., focal length = 540, f/5.4)
• Focal reducer: Tele Vue NPR-1073 0.8X (focal length = 432, f/4.3, 3.24 arcsec/pix)
• Telescope mount: Orion Telescopes and Binoculars Atlas EQ-G Mount with GoTo Controller
• Tripod: Losmandy G-11 tripod
• Guide camera: Orion Telescopes and Binoculars StarShoot AutoGuider
• Guide scope: 40mm dia., 250mm focal length
• Guiding software: Stark Labs PHD Guiding

Imaging Processing

• AIP4WIN V2.2
• Diffraction Limited MaxIm DL V5.03
• Adobe Photoshop CS3 10.0.1

Monitor Test Pattern

The following test pattern is to help you adjust your monitor to best view the CCD astro images. The test pattern is used for adjusting monitor brightness, and contrast. Adjust monitor brightness and contrast to see all 16 gray scale levels. The most important adjustment when viewing astro images is to see the differences in all of the black bands.

© 1998-2008 David Haworth