||Takahashi FS152 apo
||1216 mm (direct focus, no flattener)
||For each image, respectively: 1h30min, 40min, 1h20min, 1h30min, 1h00min, 20min (single
exp of 10 min)
||Canon EOS 5D
with Baader filter
||Tivoli Farm (Namibia) at 1350 m height
|23 August - 2 September 2011
||SXV-H5 on a Vixen 80/640 apo refractor
||T= from 0 to 20 °C,
RH= from 20 to 50%
|Sky brightness at zenith (with SQM-L)
||This image is a collaborative effort of the Namibia 2011 expedition.
Processing: Lorenzo Comolli. Images by: Lorenzo Comolli, Luigi Fontana,
Giosuè Ghioldi, Emmanuele Sordini.
M13 was imaged by Giosuè Ghioldi with the same telescope and camera from the Northern hemisphere.