[5] NGC 7293, Helix Nebula in Aquarius
Photographer:
 
Al Brockman
Telescope:
 
Meade 14 inch SCT @ f/10
Orientation::
  Ø120' x 10', m7.3, RA 22h29.6m, Dec -20°48'
Camera:
  SBIG STL-11000M CCD @ -15°C
Image Scale:
  1.06 arc sec/pixel, FOV: 23.6 x 35.4 arc min
Mount:
  Paramount ME on ATS Portable Pier
Exposure type
  Lum 10 x 300", Binned 2x2
Location:
  Ningaloo Skies Observatory, Exmouth, WA on 2009, Sep 13
SMC

Additional Notes:

The remnant of a dying star and the nearest planetary nebula to the Sun. A series of ringlike structures extends from the star and represent gases released during different phases of its death.
The inner ring of the nebula comprises a series of radially arranged cometary knots several trillion kms from the central star.

 
 
 
 
Design and production 2009 by Al Brockman