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Binary star mesurements
Alluna Carbon Tube RC telescopes
50 kg instrument load - no problem for an Alluna RC
Collimation of an Alluna Ritchey-Chrétien telescope
The University of Birmingham launches its new telescope
Ritchey-Chrétien or Dall Kirkham?
RC20 telescope for Hiroshima Astrophysical Science Center
20 inch Alluna Ritchey-Chrétien in operation in Namibia
Ursa - RC16 on Paramount ME / Finland
Alluna RC16 telescope for Kinmen Remote Observatory 
NA16 Astrograph for remote detection method/DLR
20 inch optics for
Astrocamera of the IAS
30 inch Dobsonian telescope for the Swiss Alps
New telescope in the Gaisberg observatory
Amateur observatory
in Langendorf 
28 inch range for IAS Gamsberg/Namibia
24 inch optics for observatory in Austria
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