C 564 ) 
intermrafe^He Obfervat'mes trib^o dijficpikati determinAndi tampora Phajtum 
in obii^HA incidentia it* ZJmbram p^mmbra coHterminam^ different i^cjpfe con* 
fiitutioni^ Aeris^ cjnem Tfi fnb-nMlnm.Nos habuimm [erenijfimHm, Ex hdc^ 
Aieridianorum diferentia cYUeretur mitt or cjukm ex EcUpft prttcedeme , cui 
tamen flandnm cenjeQ, doneq per obferVAtiones Immerfionfim & Enter ftbnum 
Sate/iitHm fo'wis^ (jms dd hanc rem exiftmo maxime idoTieos , rem fcrmpfi/ojtfes 
deter minemm, J^ec enim adhtic in tmm vemre fetitentiam pottti, qui^cum de 
mo t^mH^mimto cfm^ionem mov^easy fecjui videris metbodum va/de compofi- 
tarn dedficendi Sferentiam Aferidiani P^rifienfjs a Londinenfi exo(fferv4» 
tisyiibm pluribus diver fi generis ^ Occultationii nemfe Fixtes Luna^ Londini 
Gedani obfe^vata, £c lip fis Soils ob(er vat ^ ?^TXn% & Gcdani , U 
e^H^rum utraqMe Parnllaxis ratio habenduefi ^ eamijfie prci^ferre videris 
thodo Jtmp/ici dedHcendi eandem difereyitiam ex plftrinm phafinm ejnfdem E- 
clipfis^ Londini & P^riliis etfervoit^ mirifico confenffi. 
Miijo^en c^uoque differenttam Obfervationnm provenire pofe cenfeo ex 
diffcnltate dijii'/igitefidi ZJmbram veram d penumbra , <juXm ex differentia 
Telefcopiorum, trium quatuorve pednm longitudlnem excedentium, H<gc enim 
T €le[copiadecima>s AiinHtorum partes rite difitnguunt , nec per fe varl^bfint 
indieium teryiporptm Phafium earmdem h maxims plus qtii^ta horarii minuti 
parte t cum perplexita^ termini ZJmbr^ verd mum & alterum mimtffm tem» 
poris cjMandocjtie fufpenfMm teneat ObfervMorem, Nec ve 0 ptrplexita^ h^c 
m^gnit^dine Telefcoplornm immimitH^' , qf^emahmdHm ZJinbrot^ remotiffimi 
corporis hU in terris non exalVius diftingmtur a Penumbra ab qchIo iUi proxirm^ . 
(jndm adcertam dijlantiam remoto, .S^icijaid de hac re fit^fpeto nos ex Oif* 
fervationibtis J 0 v i a I i qm , cfrnjam mane rite confpictHntHr^ differ entiam Aie* 
ridi(znorHm exa^ius determinaturos . Vale^ Vir CUriffme , &^Ht coepifti^ 
rem Aftronomicam promove* Dab, ?ivi(ih d, ii, Febr. 1 676. 
A Copy of a third Letter mitten by Sigmr Cs^iTmi^ touching an Occultation ■ 
of a Fixt Star by the. hloon 5 ohferv^d by the fame, 
ClajrrlTima Viro 
D.HenncQ Oldenburg Reg. Societati in Secretis 
OCcultationem Stella feqnentis duarum in fmiflro peda p^fier tori Leon is 
a Luna^ qnam P.l hm^t&div& fapputmerat^ in Kegia O^fervatoria cum 
P-.Romer (5-^/fri;^i7/i F(?bruarii. . . 
Fwt Imrtierfu) h.ora pjn» ^.Q. 1 ^'.3 4". Imrnerfionif plaga . fuit juxtafinem. 
Schicardi verski V\\oc\\\^t\XimSdemg^aphia, Kiccioli, 
Emerfia ver}) fmt hor^ i u i6\^o'\ in dtqmli a reiia difiantia a Vendelino 
& Petavio. x i^O'i n , b :> j (ii 1' ; . •■ ' ^ 
Per. pmda Imm^rfwnis & Emer^anis^ diligenter notata^ duda reda linea 
dizmetrum illi perpendicular em ahfiiSt in ratione 6\ 45". ad 2 6', 5". 
E^it autem diameter Lunji ad MeridiaMum accedentis 32'. 50". 
H. 1 2.2 9*. margo Lnn^ fuperior fuit in eodem faraUeh cum Stella^qn^ tunc 
pr<ecedehat Lunamminftto horari(y. i','^o\ . 
H.12. 
