-— Vo))fervata& loca computata tam ex erroribus obfervationum quamex erroribusoperationum Graphicarum in Orbe definiendo admiflis,facil& Oriripotuere. 1xul 35| 1900 SLGRS EAU JECezterum Trajectoriam quam Cometa defcripfit,& caudam ve-ram quam fingulis in locis projecit, vifum eft annexo fchemate inplano TrajeCtoriege: optice delineatas exhibere: obfervationibus fe-quentibus in cauda ‚definienda adhibitis. ulNov. 17. Cauda gradus amplius quindecim longa Pontheo appa-ruit, Nov. 18. cauda 3 0 gr. longa, Solique dire&te oppofita in NovaAnglia cernebatur,& protendebatur ulque: ad ftellam 5, qut tuncerat in m 9,gr. 54+ Nov. 19. in Mary-Land cauda vifa fuit gradus15 vel20 longa. Dec 10. cauda( obfervante Flamftedio‘) tranfıbatper medium diftantig inter Caudam ferpentis Ophiuchi& ftellamA in: Aquilz auftrali ala, 8& definebat prope ftellas 4, u, b in Ta-bulis Bayeri. ‚Terminus igitur erat in w v9 5 cum lat; bor. 34; gr.circiter. Dec. 11. Aurgebat ad ulque caput Lagittae(Bayero,«B,) de-{finens inw 26 gr. 43' cum lat. bor. 38.gr. 34. Dec. 12. tranfıbarper medium Sagittae, nec longe ultra protendebatur,. definens in x4°’; cum lat. bor. 42 3 citciter. Intelligenda funt hac de longitudinecaudze clarioris,. Nam luce ob(curiore, in coelo forfan magis fereno,cauda Dec, 12. hora 5, 40 Rome(oblervante Pontheo) fupra cygniUropygium ad 7. 10. fefe extulit; atque ab hac ftella ejus latus adoccalum& boream min. 45. deftitit. ‚Lata autem erat cauda hisdiebus gr. 3. juxta terminum{fuperiorem; ideoque medium ejusdiftabar ä Stella illa 2 gr. 15 auftrum verfus,& terminus fuperiorerat in x 22 gr. cum lat. bor. 61 gr. Dec. 21. furgebat fere ad ca-thedram Cafıopeie, zqualiter diftans ä 8& Schedir,& diftantiam abutraque ‚diftantig earum ab invicem xqualem; habens, adeoquedefinens in x 24gr. cum lat. 475 gr. Dec. 29. tangebat Scheat fi-tam ad finiftram,& intervallum ftellarum duarum in pede borealiAndromede accurate complebat,& longa erat 54 gr. adeoque defi-nebat in 8 19.g7. cum) lat, 35. er. Fan: 5. tetigit(tellam x in pe-Core Andromede,ad latus funum dextrum,&(tellam& in ejus cinguload latus finiftrum;&(juxta obfervationes noftras) longa erat

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