Technical Data - H-ALPHA
|
Optics |
Schmidt
camera 400/300/615 (Zen optics)
|
Focal Lenght |
615 mm
|
Focal Ratio |
f/2,0
|
Exposure Time |
Total 15h30m.
Mosaic of 4 panels 93 frames of 10 min
each.
|
CCD |
A camera
with Kaf-6303e |
Sensor |
Kaf-6303e class 1
|
Filters |
H-alpha 6nm
Astronomik, selected for f/2
|
Chip
temperature
|
-30°C
|
Location |
Tradate
(VA,
in Pianura
Padana, Italy) at 300m height
|
Date and time
of exposure
start |
7 full
nights: 4, 6, 8, 9, 10, 11, 12 october 2008 |
Mount |
Astrosystems
Fork
|
Tracking |
Webcam
Vesta
Pro B/W on a 120mm f/13 refractor
|
Temperature
and humidity |
T=12°C,
RH=70%
|
Sky brightness at zenith (with SQM-L) |
18.5 - 19.0 mag/arcsec^2 |
Notes |
-
|