Blancanus, Josephus, Sphaera mvndi, sev cosmographia demonstratiua , ac facile methodo tradita : in qua totius Mundi fabrica, vna cum nouis, Tychonis, Kepleri, Galilaei, aliorumq' ; Astronomorum adinuentis continentur ; Accessere I. Breuis introductio ad geographiam. II. Apparatus ad mathematicarum studium. III. Echometria, idest Geometrica tractatio de Echo. IV. Nouum instrumentum ad Horologia

Table of contents

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[181.] Corollarium, an ſint Stellæ.
Page: 159 (132)
[182.] LIBER VNDECIMVS DE MERCVRIO. De loco Mercurij. Cap. I.
Page: 159 (132)
[183.] Motus Mercurij. Cap. II.
Page: 160 (133)
[184.] Figura Mercurij. Cap. III.
Page: 161 (134)
[185.] Illuminatio Mercurij, & vmbra. Cap. IV.
Page: 161 (134)
[186.] Magnitudo Mercurij, & Epicycli eius. Cap. V.
Page: 161 (134)
[187.] Quantitas Epicycli.
Page: 162 (135)
[188.] Appendix de calculo Mercurij. Cap. V I.
Page: 162 (135)
[189.] Radices Apogæi Mercurij, ad annos ſequentes.
Page: 162 (135)
[190.] TABVLA MOTVS ANOMALIÆ MERCVR.
Page: 163 (136)
[191.] Constructio, & vſus Tabulæ præcedentis.
Page: 164 (137)
[192.] LIBER DECIMVSSECVNDVS DE VENERE.
Page: 164 (137)
[193.] Locus Veneris. Cap. I.
Page: 164 (137)
[194.] Illuminatie, & Vmbra Veneris. Cap. II.
Page: 165 (138)
[195.] Figura Veneris. Cap. III.
Page: 166 (139)
[196.] Motus Veneris. Cap. IV.
Page: 166 (139)
[197.] Magnitudo Epicycli, atque ipſius Stellæ Veneris. Cap. V.
Page: 166 (139)
[198.] Magnitudo Stellæ Veneris.
Page: 166 (139)
[199.] Appendix de calculo Veneris. Cap. VI.
Page: 167 (140)
[200.] Motus Apogai Vener. Radices.
Page: 167 (140)
[201.] TABVLA MOTVS ANOMALIAE VENER.
Page: 168 (141)
[202.] Constructio, & vſus Tabulæ præcedentis.
Page: 169 (142)
[203.] LIBER DECIMVSTERTIVS DE MARTE.
Page: 169 (142)
[204.] Locus Martis. Cap. I.
Page: 169 (142)
[205.] Motus Martis. Cap. II.
Page: 169 (142)
[206.] Figura Martis. Cap. III.
Page: 172 (145)
[207.] Illuminatio, & Vmbra Martis. Cap. IV.
Page: 172 (145)
[208.] Magnitudo Stellæ Martis. Cap. V.
Page: 172 (145)
[209.] Appendix de calculo Martis. Cap. VI.
Page: 172 (145)
[210.] Tabula medij motus Mart. in longitudinem.
Page: 173 (146)
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        <div xml:id="echoid-div327" type="section" level="1" n="232">
          <pb o="156" file="0178" n="183" rhead="De Mundi Fabrica,"/>
        </div>
        <div xml:id="echoid-div328" type="section" level="1" n="233">
          <head xml:id="echoid-head248" style="it" xml:space="preserve">Apparens duratio Cometarum.</head>
          <p>
            <s xml:id="echoid-s13929" xml:space="preserve">MInimum quidam octo dies affulgent: </s>
            <s xml:id="echoid-s13930" xml:space="preserve">alij ſuas augent ætates, vſq; </s>
            <s xml:id="echoid-s13931" xml:space="preserve">ad ſemeſtre ſpatium; </s>
            <s xml:id="echoid-s13932" xml:space="preserve">nam magnus il-
              <lb/>
            le Neronis Cometa ſex totis eft
              <unsure/>
            ulſit menſibus: </s>
            <s xml:id="echoid-s13933" xml:space="preserve">alius anno Chriſti 1240. </s>
            <s xml:id="echoid-s13934" xml:space="preserve">qui crines in medium vſq; </s>
            <s xml:id="echoid-s13935" xml:space="preserve">cæli
              <lb/>
            ab horizonte c
              <unsure/>
            uibrabat, vix intra ſex menſes, vt ſcribit Daniel Santbechius, extinctus eſt.</s>
            <s xml:id="echoid-s13936" xml:space="preserve"/>
          </p>
        </div>
        <div xml:id="echoid-div329" type="section" level="1" n="234">
          <head xml:id="echoid-head249" style="it" xml:space="preserve">Motus Cometarum. Cap. II.</head>
          <p>
            <s xml:id="echoid-s13937" xml:space="preserve">DVplici motu perinde ac veri, & </s>
            <s xml:id="echoid-s13938" xml:space="preserve">perpetui planetæ; </s>
            <s xml:id="echoid-s13939" xml:space="preserve">Cometæ, qui ſpurij, & </s>
            <s xml:id="echoid-s13940" xml:space="preserve">euanidi pariter ſunt planetæ,
              <lb/>
            aguntur: </s>
            <s xml:id="echoid-s13941" xml:space="preserve">motu videlicet diurno, quo circa mundi centrum integras quotidie conuerſiones abſoluunt,
              <lb/>
            ac proinde non aliter, ac cætera ſydera quotidie oriuntur, & </s>
            <s xml:id="echoid-s13942" xml:space="preserve">occidunt, dummodo in ea cæli parte exiſtant,
              <lb/>
            quæ ortum, & </s>
            <s xml:id="echoid-s13943" xml:space="preserve">occaſum patiatur, ſeu quæ in diurna conuerſione noſtrum horizontem prætereant. </s>
            <s xml:id="echoid-s13944" xml:space="preserve">præterea
              <lb/>
            motu proprio meant, quo non in eodem cæli loco hærent, ſed ab eo, in quo primum affulſerunt, quotidie.
              <lb/>
            </s>
            <s xml:id="echoid-s13945" xml:space="preserve">abeunt. </s>
            <s xml:id="echoid-s13946" xml:space="preserve">qui motus antiquis etiam compertus fuit; </s>
            <s xml:id="echoid-s13947" xml:space="preserve">nequaquam enim eos inter errantia ſydera computaſſent,
              <lb/>
            niſi eo@ planetarum inſtar, peculiari curſu in cælo errabundos eſſe cognouiſſent. </s>
            <s xml:id="echoid-s13948" xml:space="preserve">Ariſtotiles apertè de quo-
              <lb/>
            dam magno Cometa id aſſerit; </s>
            <s xml:id="echoid-s13949" xml:space="preserve">qui cum primum viſus fit veſperi in occaſu æquinoctiali, Sole in principio
              <lb/>
            Capricorni brumam efficiente, neceſſe eſt eum extitiſſe propè æquatorem, è regione primi gradus Sagitta-
              <lb/>
            rij, vt in ſphæra materiali videre eſt, ea Aſtronomicè collocata, poſitoq; </s>
            <s xml:id="echoid-s13950" xml:space="preserve">Sole in principio Capricorni, eoq; </s>
            <s xml:id="echoid-s13951" xml:space="preserve">
              <lb/>
            iam demerſo, ſic enim videbis gradum æquinoctialis occidentem, in quo Cometa erat, eſſe è regione primi
              <lb/>
            gradus Sagittarij. </s>
            <s xml:id="echoid-s13952" xml:space="preserve">poſtea paulatim ad orientem in conſequentia perrexit, vnde & </s>
            <s xml:id="echoid-s13953" xml:space="preserve">à Sole remotior, & </s>
            <s xml:id="echoid-s13954" xml:space="preserve">ſupra
              <lb/>
            horizontẽ altior ex parte occidentis apparebat; </s>
            <s xml:id="echoid-s13955" xml:space="preserve">donec ad Orionis zonam aſcendit, vbi extinctus eſt. </s>
            <s xml:id="echoid-s13956" xml:space="preserve">Orion
              <lb/>
            autem tunc temporis erat circa finem ſigni Tauri, quare proprio curſu ad orientem peregit hæc ſigna, Sa-
              <lb/>
            gittarium, Capricornum, Aquarium, Piſces, Arietem, & </s>
            <s xml:id="echoid-s13957" xml:space="preserve">Taurum. </s>
            <s xml:id="echoid-s13958" xml:space="preserve">qui ſemicirculum, ſeu gr. </s>
            <s xml:id="echoid-s13959" xml:space="preserve">90. </s>
            <s xml:id="echoid-s13960" xml:space="preserve">efficiunt. </s>
            <s xml:id="echoid-s13961" xml:space="preserve">Se-
              <lb/>
            neca ipſe motum hunc non ſolum agnouit, ſed præterea obſeruauit per lineam in cælo rectam fieri; </s>
            <s xml:id="echoid-s13962" xml:space="preserve">ſeu vt
              <lb/>
            aiunt Aſtronomi, per circuli maximi portionem, cap. </s>
            <s xml:id="echoid-s13963" xml:space="preserve">enim 8. </s>
            <s xml:id="echoid-s13964" xml:space="preserve">ait, Cometarum curſus lenis, & </s>
            <s xml:id="echoid-s13965" xml:space="preserve">per diem, ac
              <lb/>
            noctem quantum tranſierit abſcondit. </s>
            <s xml:id="echoid-s13966" xml:space="preserve">& </s>
            <s xml:id="echoid-s13967" xml:space="preserve">paulo poſt ſubdit, Cometarum curſus compoſitus, & </s>
            <s xml:id="echoid-s13968" xml:space="preserve">deſtinatũ iter
              <lb/>
            carpens, nõ confusè, nec tumultuoſe eunt, ceu cauſis turbulentis, & </s>
            <s xml:id="echoid-s13969" xml:space="preserve">inconſtantibus appellantur. </s>
            <s xml:id="echoid-s13970" xml:space="preserve">cap. </s>
            <s xml:id="echoid-s13971" xml:space="preserve">vero 29. </s>
            <s xml:id="echoid-s13972" xml:space="preserve">
              <lb/>
            ſic, alter ille Cometa à Septentrione primum viſus, non deſijt in rectum aſſiduè celſior fieri, donec exceſſit: </s>
            <s xml:id="echoid-s13973" xml:space="preserve">
              <lb/>
            alter intra ſextum menſem dimidiam cæli partem tranſcurrit. </s>
            <s xml:id="echoid-s13974" xml:space="preserve">Recentiores vero idem exactius, ex accuratis
              <lb/>
            obſeruationibus comprobarunt. </s>
            <s xml:id="echoid-s13975" xml:space="preserve">quorum primus fuit eximius ille I
              <unsure/>
            oannes Regiomontanus, qui poſſ
              <unsure/>
            ea au-
              <lb/>
            reum libellum de Cometis elucubrauit. </s>
            <s xml:id="echoid-s13976" xml:space="preserve">ſuperiori vero ætate Tycho, cum alijs pluribus Aſtronomis, eũdem
              <lb/>
            maximum circulum exactiſſimè ſæpius obſeruarunt, idque hoc ferè modo; </s>
            <s xml:id="echoid-s13977" xml:space="preserve">curſum, ſeu viam Cometæ pro-
              <lb/>
            priam comparant ad viciniores ſtellas ſixas, ſecus quas quotidie progrediuntur, notando ſcilicet eius ab illis
              <lb/>
            diſtantias, ideſt, diſtantias locorum Cometæ ab illis, quæ loca poſtea in aſtronomico globo in quo ſtellæ ritè
              <lb/>
            ſint collocatæ, depingũt; </s>
            <s xml:id="echoid-s13978" xml:space="preserve">vnde manifeſtè apparet ea omnia loca in portione circuli maximi exactè, eſſe con-
              <lb/>
            ſtituta. </s>
            <s xml:id="echoid-s13979" xml:space="preserve">Diſtantiæ autem Cometæ à vicinis ſtellis accipi poſſunt per noſtrum quadrantem, ita ſitum, vt ſimul
              <lb/>
            per Cometam, & </s>
            <s xml:id="echoid-s13980" xml:space="preserve">Stellam, eius circumferentia tranſiens, & </s>
            <s xml:id="echoid-s13981" xml:space="preserve">dioptra nunc ſtellam, nunc Cometam aſpiciens,
              <lb/>
            gradus in circumferentia inter vtramq; </s>
            <s xml:id="echoid-s13982" xml:space="preserve">inſpectionem interceptos manifeſtet.</s>
            <s xml:id="echoid-s13983" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13984" xml:space="preserve">Cæterum hæc loca cometæ quotidiana, ſic Gemma Friſius in aſtronomico Globo depingit: </s>
            <s xml:id="echoid-s13985" xml:space="preserve">aſſumit quo-
              <lb/>
            cidie ſtellas quatuor cometæ circunſtantes, ita vt cometa ſit in concurſu earum linearum, quæ oppoſitas ſtel-
              <lb/>
            las iungant; </s>
            <s xml:id="echoid-s13986" xml:space="preserve">quod per filum oculis prætenſum, atque aſſumptis ſtellis, & </s>
            <s xml:id="echoid-s13987" xml:space="preserve">come-
              <lb/>
              <figure xlink:label="fig-0178-01" xlink:href="fig-0178-01a" number="103">
                <image file="0178-01" xlink:href="http://echo.mpiwg-berlin.mpg.de/zogilib?fn=/permanent/library/xxxxxxxx/figures/0178-01"/>
              </figure>
            tæ obiectum examinat, v.</s>
            <s xml:id="echoid-s13988" xml:space="preserve">g. </s>
            <s xml:id="echoid-s13989" xml:space="preserve">ſit cometa A. </s>
            <s xml:id="echoid-s13990" xml:space="preserve">in medio quatuor ſtellarum B C D E.
              <lb/>
            </s>
            <s xml:id="echoid-s13991" xml:space="preserve">ita vt filum per duas E C. </s>
            <s xml:id="echoid-s13992" xml:space="preserve">& </s>
            <s xml:id="echoid-s13993" xml:space="preserve">cometam ſimul trãſeat: </s>
            <s xml:id="echoid-s13994" xml:space="preserve">ſimiliter filum tranſeat per
              <lb/>
            duas B D. </s>
            <s xml:id="echoid-s13995" xml:space="preserve">atque iterum per cometam in globo igitur in quo hæ quatuor ſtellæ
              <lb/>
            ſint ſuis locis depictæ, ex tendatur duo fila per binas, ac binas ſtella, & </s>
            <s xml:id="echoid-s13996" xml:space="preserve">in com-
              <lb/>
            muni filorum concurſu erit cometæ locus ſic quotidie fiat, ſingulorumque die-
              <lb/>
            rum loca notentur, atque hinc manifeſte eius via, ſeu curſus apparebit eſſe re-
              <lb/>
            cta, ſeu portio circuli maximi, omnia enim illa loca erunt in directũ conſtituta.</s>
            <s xml:id="echoid-s13997" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s13998" xml:space="preserve">Porrò
              <unsure/>
            hic proprius eorum motus non eſt idem in omnibus, ſed varius; </s>
            <s xml:id="echoid-s13999" xml:space="preserve">nam
              <lb/>
            alij ab occidente in orientem tendunt; </s>
            <s xml:id="echoid-s14000" xml:space="preserve">alij è contra. </s>
            <s xml:id="echoid-s14001" xml:space="preserve">omnes diligenter obſeruati deflectunt ad boream, vel
              <lb/>
            ad auſtrum, idque variè. </s>
            <s xml:id="echoid-s14002" xml:space="preserve">alij celerius, alij tardius mouentur. </s>
            <s xml:id="echoid-s14003" xml:space="preserve">Summa velocitas obſeruata ex Regiomontano
              <lb/>
            vno die peregit grad. </s>
            <s xml:id="echoid-s14004" xml:space="preserve">40. </s>
            <s xml:id="echoid-s14005" xml:space="preserve">nonnulli initio velociores, quam in fine. </s>
            <s xml:id="echoid-s14006" xml:space="preserve">alij in principio, & </s>
            <s xml:id="echoid-s14007" xml:space="preserve">in fine apparitionis
              <lb/>
            tarde mouentur: </s>
            <s xml:id="echoid-s14008" xml:space="preserve">in medio vero velociſſime perinde ac fi in aliquo epicyclo deuoluti prius deſcendentes tar-
              <lb/>
            di eſſent, poſ@ea circa epicycli perigæum veloces, tandem epicyclum ſcandentes tardi apparent.</s>
            <s xml:id="echoid-s14009" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s14010" xml:space="preserve">Quantitas autem eorum curſum, ſeu viæ, varia etiam eſt; </s>
            <s xml:id="echoid-s14011" xml:space="preserve">qui maximam peregerunt diſcurrerunt gr. </s>
            <s xml:id="echoid-s14012" xml:space="preserve">180.
              <lb/>
            </s>
            <s xml:id="echoid-s14013" xml:space="preserve">vti ille quem ſupra ex Ariſtotile memorauimus; </s>
            <s xml:id="echoid-s14014" xml:space="preserve">& </s>
            <s xml:id="echoid-s14015" xml:space="preserve">alius de quo Regiomontanus, qui a Libra in Arietẽ con-
              <lb/>
            tra ſignorum ordinem grad. </s>
            <s xml:id="echoid-s14016" xml:space="preserve">180. </s>
            <s xml:id="echoid-s14017" xml:space="preserve">permeauit, alij grad. </s>
            <s xml:id="echoid-s14018" xml:space="preserve">90. </s>
            <s xml:id="echoid-s14019" xml:space="preserve">alij 44. </s>
            <s xml:id="echoid-s14020" xml:space="preserve">adhuc pauciores pro varia eorum natura. </s>
            <s xml:id="echoid-s14021" xml:space="preserve">
              <lb/>
            quamobrem ſicuti perpetui ac ordinarij pl
              <unsure/>
            anetæ motibus, velocitate, ac via, inuicem diſſerunt; </s>
            <s xml:id="echoid-s14022" xml:space="preserve">ita hi eua-
              <lb/>
            midi, & </s>
            <s xml:id="echoid-s14023" xml:space="preserve">extraordinarij ijſdem diſcrepant.</s>
            <s xml:id="echoid-s14024" xml:space="preserve"/>
          </p>
        </div>
      </text>
    </echo>
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