Helix Nebula NGC7293



Object Data
Description NGC7293 is the closest of all the planetary nebulae, estimated to be less than 150 parsecs distant.
Constellation Aquarius the Water Bearer
Right Ascension 22h 29m 51s
Declination -20° 49' 1"
Magnitude 6.5
Angular size 12.8 arcminutes (central nebula), 28 arcminutes (outer halo)
Distance 140 parsecs (450 light years)
Radial Velocity -28.2 kilometers per second (approaching)
Image Data
Photographer Fred Lehman
Main Scope Meade 14" LX200GPS
Imaging Scope Celestron 5" SCT @ f/3.3 (415mm)
Guide Camera Not needed
Imaging Camera Starlight Xpress MX7C
Resolution 780 x 580 @ 4.1 arcseconds per pixel
Exposure Eleven exposures of two minutes each. Aligned, stacked, and processed with AstroArt.
Date November 22, 2003
Location Area 51 in Big Cypress National Preserve in central South Florida.


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