Categories1: Events.IYA,Telescope.Refractor
References, Attributes and external Links:
Categories2: Observatory,Telescope.Refractor
References, Attributes and external Links:
UPU/WNS:PT030.02
Categories1: Observatory,Telescope.Refractor
References, Attributes and external Links:
UPU/WNS:VA026.15
Categories2: Observatory,Telescope.Refractor
References, Attributes and external Links:
UPU/WNS:VA027.15