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<p><span style="font-size:12.0pt; line-height:107%; font-family:"Calibri",sans-serif" lang="EN-GB">First Announcement: 47th Annual European Meeting on Atmospheric Studies by Optical Methods, Stockholm, Sweden, August 20-24, 2023.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">Dear colleagues,</span></p>
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<span style="font-size:12.0pt" lang="EN-GB"><span tabindex="0" role="button" class="contextualExtensionHighlight ms-font-color-themePrimary ms-border-color-themePrimary ident_227_301" style="color: rgb(0, 0, 0);">we hereby invite you to the “Optical Meeting”
in Stockholm on August 20-24, 2023.</span><span style="color: rgb(0, 0, 0);"> F</span>ifty years have passed since Georg Witt and his colleagues at Stockholm University founded this series of Annual European Meetings on Atmospheric Studies by Optical Methods.
This is a good reason for returning to Stockholm for this year’s meeting.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB"> </span></p>
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<span style="font-size:12.0pt" lang="EN-GB"><span tabindex="0" role="button" class="contextualExtensionHighlight ms-font-color-themePrimary ms-border-color-themePrimary ident_555_692" style="color: rgb(0, 0, 0);">You are invited you to present and discuss new
developments and applications of optical instrumentation ranging from the ground to space.</span><span style="color: rgb(0, 0, 0);"> A</span>fter 50 years, this meeting will also be a great opportunity to discuss future direction of this series of optical
meetings.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">Meeting topics include:</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">(1) New developments in optical instrumentation from the ground, space and other platforms.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">(2) Optical science from the troposphere to the thermosphere/ionosphere, including<br>
<span style=""> </span>- atmospheric composition, aerosols and clouds<br>
<span style=""> </span>- airglow <br>
<span style=""> </span>- aurora<br>
<span style=""> </span>- noctilucent clouds<br>
<span style=""> </span>- meteors</span></p>
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<span style="font-size:12.0pt" lang="EN-GB"><span style=""> </span>- sprites, jets etc.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">(3) Optical calibration techniques. </span>
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<span style="font-size:12.0pt" lang="EN-GB">(4) Analysis techniques.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">(5) Optical atmospheric measurements in education.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">More information will be posted on the meeting website
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<span lang="en-SE"><a href="http://www.su.se/misu/opticalmeeting" target="_blank" rel="noopener noreferrer" id="LPlnk503706"><span style="font-size:12.0pt" lang="EN-GB">www.su.se/misu/opticalmeeting</span></a></span><span style="font-size:12.0pt" lang="EN-GB">.<span style="">
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<span style="font-size:12.0pt" lang="EN-GB">Please spread this information to your colleagues, and stay tuned for upcoming announcements about venue, abstracts, registration etc.</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">Best regards,<br>
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<span style="font-size:12.0pt" lang="EN-GB">Jörg Gumbel</span></p>
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<span style="font-size:12.0pt" lang="EN-GB">on behalf of the Organizing Committee of the 47th Optical Meeting</span></p>
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<p><span>------------------------------------------------------------------------------</span></p>
<p><span></span>Jörg Gumbel, professor of Atmospheric Physics</p>
<p>Department of Meteorology (MISU)</p>
<p>Stockholm University</p>
<p>10691 Stockholm</p>
<p>Sweden</p>
<p>e-mail: gumbel@misu.su.se</p>
<p>phone: +46-76-1423999<br>
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<p>web: www.misu.su.se</p>
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