Huygens, Christiaan, Christiani Hugenii opera varia; Bd. 2: Opera geometrica. Opera astronomica. Varia de optica

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              <pb o="540" file="0268" n="281" rhead="CHRIST. HUGENII"/>
            nubium noſtrarum, vapores quoſdam vicinum Jovi ætherem
              <lb/>
            inſidere, qui nunc his nunc illis climatis crebri magis con-
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            fertique exoriantur.</s>
            <s xml:id="echoid-s5431" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5432" xml:space="preserve">In Marte quoque cingulum ejuſmodi unicum anno 1656
              <lb/>
              <note position="left" xlink:label="note-0268-01" xlink:href="note-0268-01a" xml:space="preserve">In Marte
                <lb/>
              zona ob-
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              ſcura.</note>
            deprehendi, latum admodum, mediámque diſci partem of-
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            fuſcans, quemadmodum figura adjecta demonſtrat. </s>
            <s xml:id="echoid-s5433" xml:space="preserve">Inſu-
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              <note position="left" xlink:label="note-0268-02" xlink:href="note-0268-02a" xml:space="preserve">TAB.
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              XLVII.
                <lb/>
              fig. 3.</note>
            per diſcum planetæ hujus parte aliqua deficientem vidi ali-
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            quoties, & </s>
            <s xml:id="echoid-s5434" xml:space="preserve">in Venere phaſes omnes quales Lunæ. </s>
            <s xml:id="echoid-s5435" xml:space="preserve">Verùm
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            hæc minoribus etiam teleſcopiis alii notarunt.</s>
            <s xml:id="echoid-s5436" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5437" xml:space="preserve">Fixarum autem diametros etiam maximè ſplendidarum nul-
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              <note position="left" xlink:label="note-0268-03" xlink:href="note-0268-03a" xml:space="preserve">Fixarum
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              diametri
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              nulla la-
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              titudin@.</note>
            la unquam latitudine cernere potui, ſed tantum minimi pun-
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            cti inſtar, quoties vitris uſus ſum fuligine leviter infectis ad
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            auferendos radios. </s>
            <s xml:id="echoid-s5438" xml:space="preserve">At ex Hevelii conſilio, quod in egre-
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            gio ejus extat opere Selenographico, exterius vitrum conte-
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            gens, ita ut exiguum tantum foramen relinquatur, ali-
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            quam magnitudinem præ ſe ferre illas vidi; </s>
            <s xml:id="echoid-s5439" xml:space="preserve">quam proinde
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            non ſtellarum propriam eſſe, ſed ex aliqua viſus fallacia
              <lb/>
            naſci arbitror. </s>
            <s xml:id="echoid-s5440" xml:space="preserve">Nam noſtra quidem illa methodus, trans
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            fumum, quo lens proxima oculo tincta eſt, ſtellas inſpicien-
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            di, certa eſt omnique erroris ſuſpicione carens; </s>
            <s xml:id="echoid-s5441" xml:space="preserve">atque ita
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            planetas quoque nimia luce radiantes, ſolemque ipſum in-
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            tueri ſolemus. </s>
            <s xml:id="echoid-s5442" xml:space="preserve">Foramine autem exiguo majorem lucis par-
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            tem excludendo, non tolli penitus circumfuſos ſideribus ra-
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            dios, ſed in orbem minorem ſatiſque perfectè circinatum
              <lb/>
            eos cogi opinor, qui imprudentibus pro ipſius ſtellæ corpo-
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            re imponat.</s>
            <s xml:id="echoid-s5443" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5444" xml:space="preserve">Unum verò circa fixas phænomenon relatu dignum oc-
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              <note position="left" xlink:label="note-0268-04" xlink:href="note-0268-04a" xml:space="preserve">Phænom@-
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              non in
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              Orione no-
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              vum.</note>
            currit, à nemine hucuſque, quod ſciam, animadverſum,
              <lb/>
            nec quidem niſi grandibus hiſce teleſcopiis rectè obſer-
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            vandum. </s>
            <s xml:id="echoid-s5445" xml:space="preserve">In Orionis enſe tres ſtellæ ab Aſtronomis repo-
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            nuntur inter ſe proximæ. </s>
            <s xml:id="echoid-s5446" xml:space="preserve">Harum mediam Anno 1656 for-
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            tè per tubum inſpicientimihi, pro ſtella una duodecim (quod
              <lb/>
            quidem minimè novum) ſeſe obtulerunt; </s>
            <s xml:id="echoid-s5447" xml:space="preserve">eo poſitu quem
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              <note position="left" xlink:label="note-0268-05" xlink:href="note-0268-05a" xml:space="preserve">TAB.
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              XLVII.
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              fig. 4.</note>
            ſubjecta figura expreſſimus.</s>
            <s xml:id="echoid-s5448" xml:space="preserve"/>
          </p>
          <p>
            <s xml:id="echoid-s5449" xml:space="preserve">Ex his autem tres illæ pene inter ſe contiguæ, cumque
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            his aliæ quatuor, velut trans nebulam lucebant, ita ut </s>
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