Collimation Cassegrain ASA/Keller
The ASA/Keller Cassegrain had been collimated by taking advantage of the Gryzbowski collimator, a Chesire collimator, a barlowed Laser collimator (adjustment of secondary mirror) and finally by a real star test at the sky (adjustment of primary mirror)...
Gryzbowski colli centralized on Secondary...
4 LED projection around Secondary Centercross
Chesire view
Startestpattern extrafocal
The intrafocal pattern of the star test looked equal to the extrafocal one ;-)
The seeing this night, at 20 degrees, was not 'optimal' but good enough to finish the adjustment of the primary mirror.
The first CCDInspector plot
Das Mondmeer Mare Crisium erscheint randnah. Der helle "Abendstern" ist der Planet Venus. Transit von Jupiter's Grossem Roten Fleck um 21¾ Uhr. 
Wer in südlicheren Gefilden Ferien macht, weiss, dass die Mondsichel dort manchmal ganz flach, wie ein Boot, am Himmel steht. Ist dies auch bei uns möglich? 
New images from ESA?s Mars Express show the Syrtis Major region on Mars. Once thought to be a sea of water, the region is now known to be a volcanic province dating back billions of years. 
Discover more about our planet with the Earth from Space video programme. Join us every Friday at 10:00 CET for an 800 km-high tour with spectacular images from Earth-observing satellites.