Veil nebula

Click on the image for hires.

Technical Data
Optics Pentax 75
Focal Lenght 500mm
Focal Ratio f/6.7
Exposure Time 4h10min (single exp of 10 min)
CCD Canon EOS 5D with baader filter
Location Colle dell'Agnello (CN, Italian Alps) at 2700 m height
8-9 Aug 2010 (two nights)
Mount Gemini G-41
Tracking ST4 on a 80mm f/5 refractor
Temperature and humidity T=+6°C, RH=50%
Sky brightness at zenith (with SQM-L) 21.50-21.85 mag/arcsec^2
Notes Strong wind that ruined many exposures. Diffraction spikes with StarSpikes software.

HTML Editing and Publishing by Lorenzo Comolli. Email me at
Back to Main Page