NGC 3344

Technical Data
Optics Newton 310mm Maccagnan
Focal Lenght 1560mm
Focal Ratio f/5
Exposure time and filters LRGB 235:90:100:175 (single exposures of 5 min), total exposure 10 h
Sensor Kaf-402me grade 2
Chip temperature -34°C
Location Tradate (VA) at 305 m
Date and time of exposure start Two full nights, 3 and 4 April 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 Thanks to Daniele Cipollina for the fine tuning of the elaboration.

HTML Editing and Publishing by Lorenzo Comolli. Email me at
Back to Main Page