( 869 ) 
Monfieur llcvelitn'^ Letter wrirren r© the Publifljer, coiitaining 
his Obfervarions of the laceCoiiier, feen by him the 27.29, 
and 30 Jp/Z/and the firfr of M^/, 1677, (ft. nov.) in 
Dantzick^ 
NsUper re'iittm iHius mir£ SteUs in collo Ceti vobis 5 Amice 
_ j homrmde^ fignificabam : Nunc vero de dffaritione ncvi 
cujufdam Comets? certures faciam. JProdin namque bifce 
duhus Sidm Crmitum. quod prima vice hk Gedani die 2 7 April- 
m^ne ab hora 2 matuttna ad 3©'. u^que ani??udver^um fmt. 
Die fubfeq^erJte April. ^ railU ratione^ cb cwlum omnim ?2U- 
biium^ fhismmenum ifludobfervm potuit ; at vero die 2 9 April 
mmc ^ exjjle^te c(slo dlqumto bmlgniori ^ licit noncmnimoal 
defdCAto^ fro viribus ilium dimenfus [km, Oriebntur^ vel potius 
in oculos incuYYcbat^ hora j . 5 ^\ MejaquHonem verfus (h, e, Nord 
often tot norden ) c&pite quidem hand adeo ampio , fcdtamen 
fat is [pie n dido , ex unico nuoleo cUriffimo comfofito.^ad i^Jlar illius^ 
Anno iGG^'Confpe^ti. Cdudam lumine not^bilem radiis divaricatis 
furfm verfus^duorumjeregradmm^exponebat, hinea direciionis 
contimuta caud^^ inter Alamac, lucidumjcpedem Andtoimd^^ 
ejufque cingulum inceiebat^ & qua^fidijlantiamhanm SteUarum 
in duits dquaUs partes l^cab&t, Verfabat^rr eo tempore fupra capui 
Arietis in Triangulo , inter ^picem ^ borealiorem in ejus baji^ 
nemfe in ^gradu tauri\ ^ in Utitad. iggrad. Bor, Dijtabat hoc 
tempore a Sole \ecundtm lomitudinem tantummodo 5 grad. , fm 
circulo vero m^xim^ 20. Himque chm adeo vicims hie Cometh 
extiterit foliy haud potuit longiorem caudam ^^ut ut mea cpinione 
y ever a longe prolixi&remkabuerit^ cdendere^ imo ut puto proxinm 
diebm aliquanto adhuc breviorem ojlendet. Die 30 April. 
etiar^Ji coelum non omnirib Jerenum extiterit^ obfirvatm ejl, ek 
diligentia qua turn fieri ptuit^ t am major ibm Organic Afironomi- 
CIS qudm Jubls 1 2 atq^ie 20 pedum: Defrehenfus iiaque in ^gr&d, 
^5 & latitude 18 bcr^ fen ; a Sole extfiente in 12 ^ • caudlim 
rurjus duorumgrad. ^ aliquantolongioremy ad borealiorem in baft 
Tv'ianguli extenfam (qm Stella plane in cufftde canJs per Tubos 
optime confie^a ) exhibebat. Die i Mali hac ipfa d'e ab hora 
2,32'. matut, denul diligenter obfervatus a me ejl^ a lucido latere 
Perfei,Capel!ae,Scheat PegafKC^ capite Andromeda 3 himque in 
I f ^repertus ,jub htitudine boreali i 8, in ipfa propemodum con- 
jmi^ione Solis^ totide?n qucque gr^dibm a Sole difl^.ns» Caudam 
adhtic 
