Free Astronomy Magazine July-August 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 450 ﻟﻴﺘﻢ ﺗﻔﻜﻴﻜﻪ إﱃ أﺟﺰاء أﺳﺎﺳﻴﺔ ﻣﺎ ﻳﺴﻬﻞ ﻧﻘﻠﻪ ﺳﻴﺎرة ﺻـﻐﲑ . ة ﰎ ﺗﺠﻬـﲒ ﻛـﻞ ﻗﻄﻌﺔ ﺑﻌﻠﺒﺔ ﺧﺎﺻﺔ ﳑﺎ ﻳﺴﻬﻞ اﻟﻨﻘﻞ واﻟﺘ . ﺠﻤﻴﻊ ﻳﺰن اﻟﻌﻨﴫ اﻟﺮﺋﻴﴘ ٢٧ ، ﻛﺠـﻢ ﺗﺴـﻤﺢ اﻷﺟﻬـﺰة اﳌﻴﻜﺎﻧﻴﻜﻴـﺔ اﳌﺪﳎـﺔ واﻟﺘﻨﻔﻴـﺬ اﻟـﺪﻗﻴﻖ ﻟﻜﻞ ﻣﻜﻮن ﲟﻮازاة اﻟﺒﴫﻳﺎت ﺑﺴﻬﻮﻟﺔ ﺑﺎﻟﻐﺔ ، ﻣﻊ اﳊﻔﺎظ ﻋـﲆ ﺗﺘﺒـﻊ اﳉـﺮم اﻟﺴـﻤﺎوي ﻃـﻮال ﺟﻠﺴـﺔ اﳌﺮاﻗﺒـﺔ ﻣـﻊ اﻟـﺘﺨﻠﺺ ﻣـﻦ اﻻﻟﺘـﻮاء واﻻﻧﺤﻨﺎء ، ﺑﻐﺾ اﻟﻨﻈﺮ ﻋﻦ وزن اﳌﻠﺤﻘﺎت اﳌﺴﺘﺨﺪﻣﺔ ﺗﺴﻤﺢ اﳌﺮآة اﻷوﻟﻴﺔ اﻟﺮﻓﻴﻌـﺔ ﺟـﺪًا ﺑﺎﻟﺘـﺄﻗﻠﻢ اﻟﴪـﻳﻊ وﺗﻀـ ﻤﻦ اﻻﺳـﺘﻘﺮار اﳊـﺮاري ﻃﻮال اﻟﻠﻴﻞ ، إﺿﺎﻓﺔ ﻟ ﻘﻀ ﺒﺎن ﻣﺰودان ﺑﺄوزان ﻣﲋﻟﻘﺔ ﻳﺴﻤﺤﺎن ﺑـﺎﻟﺘﻮازن اﳌﺜـﺎﱄ ﻟﻠﺘﻠ ﺴـﻜﻮب واﳌﻠﺤﻘـﺎت ﻋﻨـﺪ اﻟﻄﻠـﺐ ﻣـﻦ اﳌﻤﻜـﻦ أﻳﻀًـﺎ إﺟﺮاء ﺗﻌﺪﻳﻞ ﻟﱰﻛﻴﺐ اﻟﺘﻠﺴﻜﻮب ﻋﲆ ﻣﻨﺼﺔ اﺳﺘﻮاﺋﻴﺔ .