May 9 - Mercury Transit/title> <meta name="Microsoft Theme" content="aca-eclipse 1011, default"> <meta name="Microsoft Border" content="tlb, default"> </head> <body> <div align="left"> <table border="1" cellpadding="6" width="792" cellspacing="3" bgcolor="#000080"> <tr> <td> <div align="center"> <table border="0" width="100%" style="border-collapse: collapse" id="table40"> <tr> <td> <div align="center"> <table border="1" width="97%" cellspacing="0" cellpadding="9" bgcolor="#001065" id="table17"> <tr> <td> <p align="center" style="margin-top: 5px; margin-bottom: 5px"> <font color="#FFFFFF"> <i><font face="Trebuchet MS" style="font-size: 26pt"> Monday May 9, 2016 at 7:15 AM<br> </font></i> <font face="Trebuchet MS" style="font-size: 14pt; font-style:italic"> Times for observations to be announced here soon</font></font><p style="margin-top: 5px; margin-bottom: 5px" align="center"> <i> <font style="font-size: 5pt" face="Trebuchet MS" color="#FFFFFF"> <br> </font></i> <font style="font-size: 20pt; font-style: italic" face="Arial" color="#00FFFF"> Join us for a SPECIAL EVENT...<br> WATCH MERCURY TRANSIT THE SUN<a href="#ViewingLocations" style="text-decoration: none"><font color="#00FFFF">!</font></a></font></td> </tr> </table> </div> <div align="center"> <table border="1" width="97%" cellspacing="0" cellpadding="9" bgcolor="#006600" id="table18"> <tr> <td> <div align="center"> <table border="0" width="96%" cellspacing="1" style="border-collapse: collapse"> <tr> <td> <i> <font face="Trebuchet MS" style="font-size: 11pt" color="#FFFF00"> Status update: None posted yet...</font></i></td> </tr> <tr> <td> <div align="center"> <table border="0" cellpadding="0" style="border-collapse: collapse" width="91%"> <tr> <td> <p style="text-align: justify"> <i> <font face="Trebuchet MS" style="font-size: 14pt" color="#FFFFFF"> This event requires good sky conditions and, living in Ohio, we all know how unpredictable the weather can be. Cancellation, if necessary, will be announced here so please check this webpage before heading out.</font></i></td> </tr> </table> </div> </td> </tr> </table> </div> </td> </tr> </table> </div> <div align="center"> <table border="0" cellpadding="2" style="border-collapse: collapse" width="86%" bgcolor="#FFFF00"> <tr> <td> <p align="center"><i> <font color="#000000" style="font-size: 16pt"> <span style="background-color: #FFFF00"> <blink>WARNING!!</blink> To safely observe this event,<br> specially equipped telescopes are absolutely required!</span></font></i></td> </tr> </table> </div> <p style="margin-top: 5px; margin-bottom: 5px" align="center"> <font size="4" face="Arial" color="#00FFFF"><br> </font><i> <font color="#FFFFFF" face="Trebuchet MS" size="5"> <img border="0" src="../../images/2016/MercuryTransit-2016-05-09_100cs.gif" width="329" height="259"></font><font face="Trebuchet MS" style="font-size: 4pt" color="#FFFFFF"><br> </font></i><div align="center"> <table border="0" style="border-collapse: collapse" width="74%"> <tr> <td> <p style="text-align: justify"><i> <font color="#FFFFFF" face="Trebuchet MS" style="font-size: 8pt">This computer-generated animation of the transit of Mercury across the face of the Sun compresses 7 hours and 24 minutes into thirty-three (33) 1-second frames, each representing a 15 minute advance in clock-time and shows exactly what we'll be able to see of the Mercury transit. The Altitude and Azimuth along with the date and time (24 hour format ie 13:41:19 = 1:41:19 PM, 14:00 = 2:00PM, etc) are shown and updated from frame to frame and demonstrate the apparent rotation of the Sun due to the Earth's rotation as well as the relative motions of the Sun & Mercury through the sky. The background stars could be seen if the Sun weren't so bright! The image is un-reversed and un-inverted so you'll need to translate the view you'll see through your own inverting and/or reversing telescope - </font> <font color="#FFFF00" face="Trebuchet MS" style="font-size: 8pt"> <b> ASSUMING IT'S PROPERLY FILTERED !!!</b></font></i></td> </tr> </table> </div> <p style="margin-top: 5px; margin-bottom: 5px" align="center"> <i> <font color="#008000" face="Trebuchet MS" style="font-size: 5pt"> .</font></i><div align="center"> <table border="0" style="border-collapse: collapse" width="84%"> <tr> <td> <p style="text-align: justify"><i> <font color="#FFFFFF" face="Trebuchet MS" style="font-size: 14pt"> Watch the black silhouette of Mercury glide across the Sun for its entire<br> 7 hr 24 min trek. The last time a Mercury transit was visible anywhere from Earth was on November 8, 2006. The next times a Mercury transit will be viewable from Ohio will be November 11, 2019 followed by one on May 7, 2049. While not the rarest of all astronomical events, it's rare enough to make it worth your time & trouble to see it!<br> </font> <font color="#008000" face="Trebuchet MS" style="font-size: 6pt"> .</font><font color="#FFFFFF" face="Trebuchet MS" style="font-size: 6pt"><br> </font><font color="#FFFFFF" face="Trebuchet MS" style="font-size: 14pt"> As this transit is occurring, the Sun will be 93,856,451 miles away from us observers and Mercury will be 51,818,225 miles distant. The effect this distance difference will make is that Mercury will appear nearly twice as large compared to the Sun than it actually is. Keep in mind that more than 23 million Mercurys would comfortably fit inside the Sun!</font></i></td> </tr> </table> </div> <div align="center"> <table border="0" cellpadding="2" style="border-collapse: collapse" width="86%" bgcolor="#FFFF00"> <tr> <td> <p align="center"><i> <font color="#000000" style="font-size: 16pt"> <span style="background-color: #FFFF00"> <blink>WARNING!!</blink> To safely observe this event,<br> specially equipped telescopes are absolutely required!</span></font></i></td> </tr> </table> </div></td> </tr> </table> </div> <p style="margin-top: 5px; margin-bottom: 5px" align="center"> </p> <div align="center"> <table border="1" width="631" cellspacing="0" style="border-collapse: collapse; border-color: #FFFFFF" id="table41" cellpadding="5"> <tr> <td colspan="3"> <p style="margin-top:5px; margin-bottom:5px" align="center"> <i> <font color="#FFFF00" face="Trebuchet MS" size="5"> Where you can go to safely view this rare,<br> but predictable, astronomical event...</font></i></p> <p style="text-align: center"> <font color="#FFFFFF"> <span style="font-size: 14pt">ACA members and others will be set up with proper<br> viewing equipment at locations throughout northeast<br> Ohio to bring this event to as many people as possible<br> </span></font><font color="#008000"> <span style="font-size: 4pt">.</span></font><font color="#FFFFFF"><span style="font-size: 14pt"><br> </span></font><font color="#FFFF00"> <span style="font-size: 13pt; font-style: italic"> Additional viewing locations will be posted here as they become known:</span></font><font color="#FFFFFF"><span style="font-size: 14pt"><br> </span></font><font color="#008000"> <span style="font-size: 6pt">.</span></font></td> </tr> <tr> <td style="text-align: center" width="96" height="25"> <font color="#FFFFFF" style="font-size: 14pt"> <b>City</b></font></td> <td style="text-align: center" width="380" height="25"> <font color="#FFFFFF" style="font-size: 14pt"> <b>Description<br> & Location</b></font></td> <td style="text-align: center" width="117" height="25"> <font color="#FFFFFF" style="font-size: 14pt"> <b>Map & Directions</b></font></td> </tr> <tr> <td style="text-align: center" width="96"> <font color="#FFFFFF">Stow</font></td> <td style="text-align: center" width="380"> <font color="#FFFFFF">"View the Transit of Mercury!"<br> </font> <font face="Arial" size="2" color="#FFFFFF">1. Turn into the Heritage Barn park entrance from Young Road 2/10 miles north of the Call Road / Young Road intersection.<br> 2. Follow the Heritage Barn road for 3/10 miles to<br> the parking lot next to the baseball diamonds.</font><font color="#FFFFFF"><span style="font-size: 10pt"><br> Contact: Dave Jessie - 330-688-9043<br> Website: <a href="http://www.stowastronomy.org"> <font color="#FFFF00"> http://www.stowastronomy.org</font></a></span></font><i><font color="#FFFFFF"><br> <span style="font-size: 11pt; font-weight: 700"> Observing from 7:15 AM to 2:45 PM<br> </span></font></i><b> <a title="Click for GOOGLE MAP and directions" href="https://www.google.com/maps/place/41°11'35.3%22N+81°24'29.9%22W/@41.1918159,-81.4078214,820m/data=!3m1!1e3!4m2!3m1!1s0x0:0x0?hl=en"> <font style="font-size: 10pt" face="Arial" color="#FFFF00"> <i>LATITUDE & LONGITUDE of our viewing location:<br> </i></font> <font face="Arial" color="#FFFF00" style="font-size: 11pt"> <i>N41.193127, W081.408300</i></font></a></b><i><font size="2" color="#FFFF00"><br> </font><font size="2" color="#FFFFFF">Both <a title="Click for a photo of the white-light & hydrogen-alpha scopes" href="http://www.acaoh.org/member_images/Jessie_Dave/Dual_Solar_Setup.JPG"> <font color="#FFFF00">white-light & Hydrogen-alpha scopes</font></a> will be available<br> </font><font color="#000080"> <span style="font-size: 4pt">.</span></font></i></td> <td style="text-align: center" width="117"> <font color="#FFFF00"> <a title="Click here for a Google Map and directions to this location" target="_blank" href="https://www.google.com/maps/place/41°11'35.3%22N+81°24'29.9%22W/@41.1918159,-81.4078214,820m/data=!3m1!1e3!4m2!3m1!1s0x0:0x0?hl=en"> <font color="#FFFF00">to Stow Observing Location</font></a></font></td> </tr> <tr> <td style="text-align: center" width="96"> <font color="#FFFFFF">Canton</font></td> <td style="text-align: center" width="380"> <font color="#FFFFFF"> <span style="font-size: 12pt">"View the Transit of Mercury"<br> Hoover-Price Planetarium<br> </span><span style="font-size: 9pt">800 McKinley Monument Dr NW<br> <a title="Click for additional information" href="http://www.mckinleymuseum.org/"> <font color="#FFFFFF">McKinley Museum</font></a> Canton, OH 44708</span><span style="font-size: 12pt"><br> </span> <span style="font-size: 9pt">Contact: David Richards - <a href="mailto:hooverpriceplanetarium@hotmail.com"> <font color="#FFFFFF">hooverpriceplanetarium@hotmail.com</font></a></span><br> <b>Times to be announced</b></font></td> <td style="text-align: center" width="117"> <font color="#FFFF00"> <a title="Click for map & directions to Hoover-Price Planetarium observing location" href="http://g.co/maps/v843h"> <font color="#FFFF00">to Hoover-Price Planetarium<br> observing<br> location</font></a></font></td> </tr> </table> </div> <div align="center"> <div align="center"> <div align="center"> <table border="0" cellpadding="2" style="border-collapse: collapse" width="86%" bgcolor="#FFFF00"> <tr> <td> <p align="center"><i> <font color="#000000" style="font-size: 16pt"> <span style="background-color: #FFFF00"> <blink>WARNING!!</blink> To safely observe this event,<br> specially equipped telescopes are absolutely required!</span></font></i></td> </tr> </table> </div> </div> </div> <div align="center"> <table border="1" width="569" id="table42" style="border-color:#FFFFFF; border-collapse: collapse"> <tr> <td style="text-align: right" width="565" colspan="4"> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 14pt">Data below is for Northeast Ohio on Monday May 9, 2016</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 14pt; font-weight: 700"> Event</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 14pt; font-weight: 700"> Time</font></td> <td width="126" style="text-align: center"> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 14pt; font-weight: 700"> Altitude</font></td> <td width="125" style="text-align: center"> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 14pt; font-weight: 700"> Azimuth</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF">First Contact:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">7:13:53 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">9.6°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF">75.0°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF">Second Contact:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">7:16:59 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">10.2°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF">75.5°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF">15° above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">7</font><font face="Arial" color="#FFFFFF">:42:59 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">15°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF" face="Arial">79.5°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"><font color="#FFFFFF">20° above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"> <font face="Arial" color="#FFFFFF">8:09:55 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">20°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF" face="Arial">83.8°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"><font color="#FFFFFF">30° above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">9</font><font face="Arial" color="#FFFFFF">:02:44 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">30°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF" face="Arial">92.3°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"><font color="#FFFFFF">40° above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">9</font><font face="Arial" color="#FFFFFF">:55:44 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">40°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF" face="Arial">102.0°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"><font color="#FFFFFF">50° above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">10</font><font face="Arial" color="#FFFFFF">:51:29 am<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">50°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF" face="Arial">114.5°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"><font color="#FFFFFF">Highest above horizon:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF"> 1:22:16 pm<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">66.5°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF">180.0°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF">Third Contact:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">2:37:55 pm<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">61.3°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF">220.4°</font></td> </tr> <tr> <td style="text-align: center" width="168"> <p style="text-align: center"> <font color="#FFFFFF">Fourth Contact:</font></td> <td width="137" style="text-align: center"> <p style="text-align: center"><font color="#FFFFFF">2:41:04 pm<font style="font-size: 8pt"> (EDT)</font></font></td> <td width="126" style="text-align: center"> <font color="#FFFFFF">61.0°</font></td> <td style="text-align: center" width="125"> <font color="#FFFFFF">221.7°</font></td> </tr> <tr> <td style="text-align: right" width="565" colspan="4"> <p style="text-align: center; margin-left: 6px"> <span style="font-size: 6pt"><font color="#008000">.</font><br> </span><i><span style="font-size: 11pt"> <font color="#FFFFFF">What do we mean by a "contact" event? Click </font> <a title="Click here for a definition of the "contact points"" href="https://en.wikipedia.org/wiki/Transit_of_Mercury"> <font color="#FFFF00">here</font></a><font color="#FFFFFF"> for the definition</font></span></i><span style="font-size: 6pt"><font color="#008000"><br> .</font></span><span style="font-size: 4pt"><br> </span> <font color="#FFFFFF" style="font-size: 11pt"><i>For transit information for your location, anywhere in the world, visit:</i><br> <font color="#FFFFFF"> <a href="http://aa.usno.navy.mil/data/docs/Transit.php"> <font color="#FFFF00">http://aa.usno.navy.mil/data/docs/Transit.php</font></a></font></font></td> </tr> </table> </div> <div align="center"> <div align="center"> <table border="0" width="82%" style="border-collapse: collapse" id="table43"> <tr> <td> <p style="text-align: justify"><i> <font color="#FFFFFF" face="Trebuchet MS" style="font-size: 5pt"> <br> </font> <font color="#FFFFFF" face="Trebuchet MS" style="font-size: 14pt"> Due to the extremely eccentric (non-circular) orbit of Mercury coupled with its <a title="Click for graphic on Wikipedia" href="https://en.wikipedia.org/wiki/Orbital_inclination"> <font color="#FFFFFF">7°</font><font color="#FFFFFF" face="Trebuchet MS" style="font-size: 3pt"> </font> <font color="#FFFFFF" face="Trebuchet MS" style="font-size: 14pt"> inclination of Mercury's orbit</font></font></a><font color="#FFFFFF" face="Trebuchet MS" style="font-size: 14pt"> to the ecliptic, transits occur predictably, but with an odd cadence; they occur in May or November with May transits occurring about half as frequently as November transits. Currently, they occur within a few days either side of May 8 and November 10. The interval between one November transit and the next November transit may be 7, 13, or 33 years; the interval between one May transit and the next May transit may be 13 or 33 years.</font></i></td> </tr> <tr> <td> <p style="text-align: center"> <font color="#FFFFFF" style="font-size: 6pt"> <br> </font> <font color="#FFFFFF" style="font-size: 14pt"> For additional information, please see this excellent </font> <a title="Click for an excellent article on the Space.com website on the transit of Mercury." href="http://www.space.com/32476-mercury-transit-may-2016-rare-event.html?cmpid=514630_20160407_60213246&adbid=10153431108736466&adbpl=fb&adbpr=17610706465"> <font color="#FFFF00" style="font-size: 14pt"> Space.com article</font></a></td> </tr> </table> <div align="center"> <table border="0" cellpadding="2" style="border-collapse: collapse" width="86%" bgcolor="#FFFF00"> <tr> <td> <p align="center"><i> <font color="#000000" style="font-size: 16pt"> <span style="background-color: #FFFF00"> <blink>WARNING!!</blink> To safely observe this event,<br> specially equipped telescopes are absolutely required!</span></font></i></td> </tr> </table> </div> </div> <p><font color="#FFFFFF" style="font-size: 14pt">As you can see, Mercury transits don't happen often.<br></font> <font color="#FFFF00" style="font-size: 14pt">Let's hope for clear skies since we may not get another chance!</font></div> <p align="center" style="margin-top: 5px; margin-bottom: 5px"> <i><font color="#008000"><span style="font-size: 6pt"><br> </span> <font style="font-size: 9pt" color="#FFFFFF" face="Arial">Image of the June 2004 Venus transit shown below was captured by Astronomy Club of Akron member John R. Crilly</font></font></p> <p align="center" style="margin-top: 5px; margin-bottom: 5px"> <img border="0" src="../../images/2004/Venus_Transit_2004-06-08_JRCrilly.jpg" width="640" height="269"></p> <div align="center"> <table border="0" cellpadding="0" style="border-collapse: collapse" width="83%"> <tr> <td> <p style="text-align: justify"> <font color="#FFFFFF"> <span style="font-size: 11pt"> <i>This photo shows Venus transiting the Sun - Please keep in mind that Mercury will appear to be 1/5</span><span style="font-size: 8pt; vertical-align: top">th</span><span style="font-size: 11pt"> the diameter of Venus in this photo and 4.36% the apparent surface area - very small indeed!</span></i></font></td> </tr> </table> </div> </i> <div align="center"> <table border="0" cellpadding="2" style="border-collapse: collapse" width="86%" bgcolor="#FFFF00"> <tr> <td> <p align="center"><i> <font color="#000000" style="font-size: 16pt"> <span style="background-color: #FFFF00"> <blink>WARNING!!</blink> To safely observe this event,<br> specially equipped telescopes are absolutely required!</span></font></i></td> </tr> </table> </div></td> </tr> </table> <div align="left"> <table border="0" width="1032" cellpadding="0" style="border-collapse: collapse" id="table4"> <tr> <td> <p style="text-align: center"><font color="#FFFFFF"> <span style="font-weight: 700; font-size: 6pt">.<br> </span></font><span style="font-size: 16pt; font-weight: 700"><br> Solar System objects rise/transit/set times from the ACA Observatory on this date...</span></td> </tr> <tr> <td> <p style="text-align: center"> <img border="0" src="../../images/2016/PlanetChart_05-09.gif"></td> </tr> <tr> <td> <p style="text-align: center"><font style="font-size: 11pt" face="Arial"> <span style="font-style: italic; background-color: #FFFFFF"> <img border="0" src="../../images/Site_Content/new_tinyRED&White-Ani1.gif" width="28" height="16"> New feature: The "</span><span style="background-color: #FFFFFF">T</span><span style="font-style: italic; background-color: #FFFFFF">" on each object's line in the chart above indicates the time of transit in addition to the rise and set times for the object.<img border="0" src="../../images/Site_Content/new_tinyRED&White-Ani2.gif" width="28" height="16"></span></font></td> </tr> </table> </div> <table border="0" width="792" id="table2" style="border-collapse: collapse" height="39"> <tr> <td> <p align="center"><b><i> <font color="#000080" face="Arial" style="font-size: 8pt"><br> <br> Be sure to hit the REFRESH / RELOAD button on your browser<br> (or the <F5> key on your keyboard) for up-to-date information<br> </font> <font color="#000080" face="Arial" style="font-size: 2pt"><br> </font></i></b><a href=http://cleardarksky.com/c/AKAObOHkey.html> <img src="http://cleardarksky.com/csk/getcsk.php?id=AKAObOH"></a></td> </tr> <tr> <td> </td> </tr> <tr> <td> <table border="0" width="793" cellspacing="1" cellpadding="0" id="table3"> <tr> <td> <p align="center"><font size="5" face="Trebuchet MS" color="#000080"><b> <i>Live</i></b> AccuWeather Satellite Mosaic</font></td> </tr> <tr> <td> <p align="center"> <a href="http://www.accuweather.com/us/satellite/ei/oh_/satellite.asp?play=true"> <img border="0" src="http://sirocco.accuweather.com/sat_mosaic_400x300_public/ei/isaene.gif" width="400" height="334"></a></td> </tr> </table> </td> </tr> </table> <div align="left"> <div align="left"><span style="font-size: 16pt"> <span style="font-weight: 700"><br> Jet Stream</span> (</span><span style="font-size: 13pt; font-style:italic">updates automatically to latest available image</span><span style="font-size: 16pt">)<br> </span><font size="3"> </font> <span style="font-size: 13pt">The Jet Stream affects astronomical "seeing" (steadiness of the air)<br> </span><font size="3"> </font> <span style="font-size: 13pt">If we're in a gray area, seeing will not be as good as in a white area.<br></span> <font size="3"> </font><span style="font-size: 13pt">If we're in a white area, the shorter the arrows, the better.</span><br> <a title="Click for full jet stream information & analysis" href="http://virga.sfsu.edu/crws/jetstream.html"> <img border="0" img src="http://squall.sfsu.edu/gif/jetstream_init_00.gif" width="783" height="630"></a></div></div> <script type="text/javascript"> var gaJsHost = (("https:" == document.location.protocol) ? "https://ssl." : "http://www."); document.write(unescape("%3Cscript src='" + gaJsHost + "google-analytics.com/ga.js' type='text/javascript'%3E%3C/script%3E")); </script> <script type="text/javascript"> try { var pageTracker = _gat._getTracker("UA-13137335-1"); pageTracker._trackPageview(); } catch(err) {} </script> </div> </body> </html>