|
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
|
| CCD |
FLI ME2 |
| 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.
|
