Technical Data
Optics L: Schmidt camera 400/300/615 (Zen optics)
RGB: Pentax 75
Focal Lenght L: 615 mm
RGB: 500mm
Focal Ratio L: f/2,0
RGB: f/6.7
Exposure Time L: 50 min (10 x 5 min)
RGB: 2h10m (13x10min)
CCD L: a camera with Kaf-6303e
RGB: Canon EOS 350D unmodified
Sensor L: Kaf-6303e class 1
RGB: Canon cmos
Filters L: Astronomik H-alfa 6nm
RGB: none
Chip temperature
L: -20°C
RGB: without cooling
Location L: Tradate (VA, in Pianura Padana, Italy) at 300m height
RGB: Colle dell'Agnello (CN, Italian Alps) at 2670m heinght
Date and time of exposure start L: 21 september 2007
RGB:8 september 2007
Mount L: Astrosystems Fork
RGB: Gemini G41
Tracking L: Webcam Vesta Pro B/W on a 120mm f/13 refractor
RGB: ST4 on a 80mm f/5 refractor
Temperature and humidity L: T=+15°C, RH=70%
RGB: T=+4°C, RH=60%
Notes First test to merge H-alpha data from the Schmidt camera, with RGB from Canon EOS 350D (unmodified, not sensitive to red)

HTML Editing and Publishing by Lorenzo Comolli. Email me at comolli@libero.it.
Back to Main Page