Messier 99
(NGC 4254)

Coma Berenices

Teufelsmuehle/Schwarzwald (860m)
2010/04/17  
18" f/5.2 Dobson
165 - 300x (Binocular)
SQM-L max. 21.3 mag/arcsec² (Zenit)
Seeing II

Sierra de Segura / Spain  (1650m)
  2016/06/06-07
14.5" f/3.9 Dobson
~200-350x
FSt +6.5m
Seeing II

approx. 2' in sketch:

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