M24 and B92-93 dark nebulas

Technical Data
Optics Pentax 75
Focal Lenght 500mm
Focal Ratio f/6.7
Exposure Time 60 min (single exp of 5 min)
CCD Canon EOS 350D unmodified
Location Colle dell'Agnello (CN, Italian Alps) at 2670m height
8 september 2007
Mount Gemini G-41
Tracking ST4 on a 80mm f/5 refractor
Temperature and humidity T=+3°C, RH=70%
Notes -

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