NGC 246


Technical Data
Optics Newton 310mm Maccagnan
Focal Lenght 1560mm
Focal Ratio f/5
Exposure Time and filters LRGB 55:20:20:30 (single exposures of 5 min), total exposure 2h05m
CCD FLI ME2
Sensor Kaf-402me grade 2
Chip temperature -34°C
Location Bogli (PC, in the Italian Appennines) at 1350m
Date
13 october 2007
Mount Gemini G41
Tracking ST4 with Pentax 75 at 1000mm
Temperature and humidity T=+1°C, RH=70%
Notes

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