NGC 7293
The Helix Nebula
 
Aquarius

 
Hakos Guest Farm / Namibia (1800m)
2014/06/02

24" f/4 Dobson
140x / 180x

Filter: OIII

SQM max. 21.50 mag/arcsec² (Zenith)
Seeing II

approx. 5' in sketch:

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