M 57 Planetary Nebula in
Lyra

(only one 15min. exposure)
 


 

Exposure Data: 07.07.2003. L=1x15min. (1x1) - only one shot!
 
Processing: Acquired via MSB AstroArt, no darks+flats, RL-deconvolved in AIP4Win, processed in Photoshop and Neat Image.
 
Optical System: 348/3007mm Hypergraph-Cassegrain, Starlight Xpress SXV-H9, Astronomik Filter wheel FR-03, Type II.b-L-Filter, Astro-Physics 1200 ESCAP-FS-2-GoTo. Off-axis guided with Starlight Xpress MX 516 without AO7.
 
Comments: FWHM was 2,1 arc-seconds. Not the best conditions for this object!
 
Author: Michael Breite
 

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