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|Description:||This is one of the largest planetary nebula and
the closet to earth at an estimated distance of 450 ly. It is very
large with the brightest portion approximately half the size of the full
moon. Its outer shell, a portion of which can be seen in the lower
right, extends to nearly the diameter of the full moon. The blue-white
central star is apparent in the center of the nebula.
|Exposure Data:||10/13/2003. RRGB: 12x5m, 4x3m,
4x3m. GB 2x2. -10°C, 1.1 arc-sec./pixel.
|Processing:||Acquired via Sequencer II (dither 4) and CCDSoft, reduced and
aligned, in Mira, Combined in Sigma, L 2x CCDSharp, RGB combine in Maxim, LRGB combine, curves, levels and other
processing in Photoshop.
|Optical System:||BRC-250, 10” Baker-Ritchey-Chretien @ F/5,
CCD camera, Paramount ME. autoguided
|Comments:||Average FWHM was 3.8 arc-sec., deconvolved to