Stephan quintet


Technical Data
Optics Newton 310mm Maccagnan
Focal Lenght 1560mm
Focal Ratio f/5
Exposure Time and filters LRGB 55:15:15:25 (single exposures of 5 min), total exposure 1h50m
CCD FLI ME2
Sensor Kaf-402me grade 2
Chip temperature -34°C
Location Colle dell'Agnello (CN, in the Italian Alps) at 2670m and Bogli (PC, in the Italian Appennines) at 1350m
Date
7 september 2007 and 13 october 2007
Mount Gemini G41
Tracking ST4 with Pentax 75 at 1000mm
Temperature and humidity T=+1°C, RH=50%
Notes

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