{"title":"81771年在北美看到的一组光晕和空晕的描述","authors":"A. Baxter","doi":"10.1098/rstl.1787.0008","DOIUrl":null,"url":null,"abstract":"“ January 22, 1771. Laft night and to-day the froft has been more fevere than at any time this w inter: I was hardly able, at mid-day, to keep my face to the wind uncovered,, though the fun fhone very bright, and the Iky clear; “ In the morning the wind was eafterly, which went aboutr Wrth the fun to the fouth and weftward, returning to the eaft in the evening; a very fmall breeze. u A little before two o’clock P.M. obferved as follows. There was a very large circle or halo round the fun (fee Tab. V .) within which the fky was thick and dufky, th e reft of thehemifphere being c l e a r a n d , a little more than one-third way from the horizon to the zenith, was a' beautifully enlightened; circle, parallel to the horizon, which went quite round, till the two ends of it terminated in the circle that furrounded the fu n ;; Read December 7, 1786..","PeriodicalId":20034,"journal":{"name":"Philosophical Transactions of the Royal Society of London","volume":"72 1","pages":"44 - 46"},"PeriodicalIF":0.0000,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"VIII. Description of a set of halo's and parhelia, seen in the year 1771, in North-America\",\"authors\":\"A. Baxter\",\"doi\":\"10.1098/rstl.1787.0008\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"“ January 22, 1771. Laft night and to-day the froft has been more fevere than at any time this w inter: I was hardly able, at mid-day, to keep my face to the wind uncovered,, though the fun fhone very bright, and the Iky clear; “ In the morning the wind was eafterly, which went aboutr Wrth the fun to the fouth and weftward, returning to the eaft in the evening; a very fmall breeze. u A little before two o’clock P.M. obferved as follows. There was a very large circle or halo round the fun (fee Tab. V .) within which the fky was thick and dufky, th e reft of thehemifphere being c l e a r a n d , a little more than one-third way from the horizon to the zenith, was a' beautifully enlightened; circle, parallel to the horizon, which went quite round, till the two ends of it terminated in the circle that furrounded the fu n ;; Read December 7, 1786..\",\"PeriodicalId\":20034,\"journal\":{\"name\":\"Philosophical Transactions of the Royal Society of London\",\"volume\":\"72 1\",\"pages\":\"44 - 46\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2017-01-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Philosophical Transactions of the Royal Society of London\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1098/rstl.1787.0008\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Philosophical Transactions of the Royal Society of London","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1098/rstl.1787.0008","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
VIII. Description of a set of halo's and parhelia, seen in the year 1771, in North-America
“ January 22, 1771. Laft night and to-day the froft has been more fevere than at any time this w inter: I was hardly able, at mid-day, to keep my face to the wind uncovered,, though the fun fhone very bright, and the Iky clear; “ In the morning the wind was eafterly, which went aboutr Wrth the fun to the fouth and weftward, returning to the eaft in the evening; a very fmall breeze. u A little before two o’clock P.M. obferved as follows. There was a very large circle or halo round the fun (fee Tab. V .) within which the fky was thick and dufky, th e reft of thehemifphere being c l e a r a n d , a little more than one-third way from the horizon to the zenith, was a' beautifully enlightened; circle, parallel to the horizon, which went quite round, till the two ends of it terminated in the circle that furrounded the fu n ;; Read December 7, 1786..