villem hendrick vaan denne booas

dakshinaafrikkayile union obsarvettariyil jolie cheyyukayum 1941ll athinte directoraakukayum cheytha oru dutch jyothishaasthranjanaayirunnu villem hendrick vaan denne booas (25 septambar 1896-30 march 1974). jyothishaasthraparamaaya alavukalekkaal kooduthal nirmmichathum thekkan ardhagolathile eratta nakshathrangalude oru kaattalog samaharichathumaaya eathaandu puthiya eratta nakshathrangal addeham kandethi. thaan kandupidicha oru reethi upayogichu nooriladhikam eratta nakshathrangalude bhramanapathangal addeham kanakkukootti, athu pinneedu amgeekritha maanadandamaayi maari.
jeevacharitram.
1896ll rotterdamil janicha vaan denne booas lyden sarvakalashaalayil jyothishaasthram padikkukayum lyden nireekshanashaalayil jolie cheyyukayum cheythu. 1925ll villem dii sittarinte melnottatthil jyothishaasthrathil phd poortthiyaakkiya addeham aarr.tii.eiii. directorude sahayiyaayi moonnu varshathe niyamanathinaayi johannesburgile union obsarvettariyil cheraan ins, echu.iii. maram. puthuthayi nirmmicha dooradarshiniyil jolibharam pankidaan eratta nakshathrangalude parichayasambannanaaya nireekshakane labhikkaan ins utsukanaayirunnu.
union obsarvettariyile thante niyamanam anischithamaayi neettukayum 1941ll obsarvettariyude director niyamikkappedukayum cheythu. 1956ll addeham nireekshanashaalayil ninnu viramichuvenkilum 1966ll gurutharamaaya asukham moolam nirthaan nirbandhithanaakunnathuvare dakshinaafrikkayilum amerikkayilum nireekshanangal thudarnnu.
thante 31 varshathe kariyaril addeham puthiya eratta nakshathrangal kandethukayum jyothishaasthraparamaaya alavukal nadathukayum cheythu. 1963ll echu. yude sahakaranathode prasidheekaricha vishwal double staarukalude soochika kaattalogil ulppeduthiya thekkan ardhagolathile eratta nakshathrangalude muun nireekshanangalil ninnu addeham oru kaattalog samaaharichu.emm. jephries eph.emm. greeby oof dhii lick obsarvettari, california. eee kaattalog pinneedu washington double staar kaattalogaayi maari.
eratta nakshathrangalude bhramanapathangal alakkunnathinulla swantham reethi vaan denne booas vikasippikkukayum nooriladhikam bainari nakshathrangalude bhramanapathangal alakkaan ithu upayogikkukayum cheythu. addehathinte reethi amgeekritha staanderd nadapadikramamaayi maari.

