NGC 3628

Technical Data
Optics Newton 310mm Maccagnan
Focal Lenght 1560mm
Focal Ratio f/5
Exposure time and filters LRGB 80:40:35:55 (single exposures of 5 min), total exposure 3h30min
CCD FLI ME2
Sensor Kaf-402me grade 2
Chip temperature -34°C
Location Tradate (VA) at 305 m
Date and time of exposure start 28 March 2008
Mount Astrosystems Fork (Schmidt camera mount)
Tracking Webcam Vesta Pro BW with Pentax 75 at 1000mm
Temperature and humidity T=+5°C, RH=70%
Sky brightness at zenith (with SQM-L)18.5-19.0 mag/arcsec^2
Notes -

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