Technical data
|
Optics |
Peleng 8 mm f/3.5
|
Focal
Length |
8 mm
|
Focal
Ratio |
f/5.6
|
Exposure
Time |
40 min
(single exposures of 10 min)
|
CCD |
Canon
EOS 5D with Baader filter
|
Sensitivity |
800 ISO
|
Location |
Tivoli Farm
(Namibia) at 1350 m height
|
Date
|
28 August 2011
|
Mount |
Losmandy G11
|
Tracking |
none
|
Temperature
and
humidity |
T= +15°C, RH=27%
|
Sky brightness at
zenith (with SQM-L) |
from 21.6 mag/arcsec^2
(bright because of the Milky Way at zenith!)
|
Notes |
This
image is a collaborative effort of the Namibia 2011 expedition.
Processing: Lorenzo Comolli. Images by: Lorenzo Comolli, Luigi Fontana,
Giosuè Ghioldi, Emmanuele Sordini.
|