IC 1396 : color + H-alpha

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Technical Data - H-ALPHA
Optics Schmidt camera 400/300/615 (Zen optics)
Focal Lenght 615 mm
Focal Ratio f/2,0
Exposure Time Total 15h30m. Mosaic of 4 panels 93 frames of 10 min each.
CCD A camera with  Kaf-6303e
Sensor Kaf-6303e class 1
Filters H-alpha 6nm Astronomik, selected for f/2
Chip temperature
 -30°C
Location Tradate (VA, in Pianura Padana, Italy) at 300m height
Date and time of exposure start 7 full nights: 4, 6, 8, 9, 10, 11, 12 october 2008
Mount Astrosystems Fork
Tracking Webcam Vesta Pro B/W on a 120mm f/13 refractor
Temperature and humidity T=12°C, RH=70%
Sky brightness at zenith (with SQM-L) 18.5 - 19.0 mag/arcsec^2
Notes -

Technical Data
Optics Pentax 75
Focal Lenght 500mm
Focal Ratio f/6.7
Exposure Time 1h40min (single exp of 10 min)
CCD Canon EOS 5D with baader filter
Location Colle del Nivolet (AO, Italian Alps) at 2535m height
Date
 26 september 2008
Mount Gemini G-41
Tracking ST4 on a 80mm f/5 refractor
Temperature and humidity T=-4°C, RH=80%
Sky brightness at zenith (with SQM-L) 21.4 mag/arcsec^2
Notes -
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