Free Astronomy Magazine November-December 2022 ARABIC VERSION

ALTAZIMUTH NEWTONIAN TELESCOPE > SCHOTT Supremax 33 optics > optical diameter: 460 mm > useful diameter: 450 mm > focal ratio: f/4 > primary mirror thickness: 35 mm > minor axis secondary mirror: 100 mm > axial cell cooling system > multi-fan removal of the mirror surface boundary layer > carbon truss with self-centering conical couplings > lateral supports (six) designed for altazimuth instruments > zero deformations ﻟﻘﺪ ﺗﻢ ﺗﺼﻤﻴﻢ ﺗﻠﺴﻜﻮب NortheK Rapido ٤٥٠ ﻟﻴﺘﻢ ﺗﻔﻜﻴﻜﻪ إﱃ أﺟﺰاء أﺳﺎﺳﻴﺔ ﻣ ﺎ ﻳﺴﻬﻞ ﻧﻘﻠﻪ ﰲ ﺳﻴﺎرة ﺻﻐ ة . ﺗﻢ ﺗﺠﻬﻴـﺰ ﻛـﻞ ﻗﻄﻌﺔ ﺑﻌﻠﺒﺔ ﺧﺎﺻﺔ ﻣﻤﺎ ﻳﺴﻬﻞ اﻟﻨﻘﻞ واﻟﺘﺠﻤﻴﻊ . ﻳﺰن اﻟﻌﻨﴫ اﻟﺮﺋﻴﴘ ٢٧ ﻛﺠﻢ، ﺗﺴﻤﺢ اﻷﺟﻬـﺰة ا ﻴﻜﺎﻧﻴﻜﻴـﺔ ا ﺪﻣﺠـﺔ واﻟﺘﻨﻔﻴـﺬ اﻟﺪﻗﻴﻖ ﻟﻜﻞ ﻣﻜﻮن ﺑﻤﻮازاة اﻟﺒﴫﻳﺎت ﺑﺴﻬﻮﻟﺔ ﺑﺎﻟﻐﺔ ، ﻣﻊ اﻟﺤﻔﺎظ ﻋﲆ ﺗﺘﺒﻊ اﻟﺠﺮم اﻟﺴﻤﺎوي ﻃﻮال ﺟﻠﺴﺔ ا ﺮاﻗﺒﺔ ﻣﻊ اﻟﺘ ﺨﻠﺺ ﻣﻦ اﻻﻟﺘﻮاء واﻻﻧﺤﻨﺎء، ﺑﻐﺾ اﻟﻨﻈﺮ ﻋﻦ وزن ا ﻠﺤﻘﺎت ا ﺴﺘﺨﺪﻣﺔ ﺗﺴﻤﺢ ا ﺮآة اﻷوﻟﻴﺔ اﻟﺮﻓﻴﻌﺔ ﺟﺪًا ﺑﺎﻟﺘﺄﻗﻠﻢ اﻟﴪﻳﻊ وﺗﻀﻤﻦ اﻻﺳﺘﻘﺮار اﻟﺤﺮاري ﻃﻮال اﻟﻠﻴﻞ، إﺿﺎﻓﺔ ﻟﻘﻀﻴﺒﺎن ﻣﺰودان ﺑﺄوزان ﻣﻨﺰﻟﻘﺔ ﻳﺴﻤﺤﺎن ﺑﺎﻟﺘﻮازن ا ﺜﺎﱄ ﻟﻠﺘﻠﺴﻜﻮب وا ﻠﺤﻘﺎت ﻋﻨﺪ اﻟﻄﻠﺐ ﻣﻦ ا ﻤﻜﻦ أﻳﻀًﺎ إﺟﺮا ء ﺗﻌﺪﻳﻞ ﻟﱰﻛﻴﺐ اﻟﺘﻠﺴﻜﻮب ﻋﲆ ﻣﻨﺼﺔ اﺳﺘﻮاﺋﻴﺔ .