Hen Torben Følger du forandringer i lysstyrken og eftergløden rød)? mvh Søren Jessen -----Oprindelig meddelelse----- Fra: astrolist-bounce@xxxxxxxxxxxxx [mailto:astrolist-bounce@xxxxxxxxxxxxx] På vegne af Torben Taustrup Sendt: 2. september 2011 00:45 Til: astrolist@xxxxxxxxxxxxx Emne: Re: Eftersommerens rigtige mørke nat i Ugerløse nær Brorfelde (syd for Holbæk) Har skam allerede været ude og få supernovaen i M-101 i kassen :) mvh Torben ----- Original Message ----- From: "Soren.Jessen" <astro.soren@xxxxxxxxxxxxxx> To: <astrolist@xxxxxxxxxxxxx> Sent: Friday, September 02, 2011 12:11 AM Subject: Eftersommerens rigtige mørke nat i Ugerløse nær Brorfelde (syd for Holbæk) > > > > Hej alle > > Eftersommerens rigtige mørke nat i Ugerløse nær Brorfelde > er begyndt :o) > > Mælkevejen deling står ganske tydelig frem og > stjernebilledernes afgrænsning > besværes af mange ekstra stjerner > > SQM mørke målingen viste 21.53 hvilket høre til de bedre > mørke nætter > > -Så ud og observere! > > > > SQM instrumentet: > > Information > > http://unihedron.com/projects/darksky/faqsqm.php > > > > * Point the SQM directly above (at the Zenith). > The SQM sensor is on > the same side as the display. > > * The SQM should be held at or above head level so > that shadows or > reflections from your body do not interfere with the > reading. > > * Avoid using in areas that are shaded by trees or > buildings. > > After you press the button to take a reading, the SQM will > beep each second > while it is accumulating photons. The beeping will stop > once the reading is > ready to be viewed, face the SQM towards you at this time > to note the > reading > > > > Read: > > http://webcache.googleusercontent.com/search?gfns=1 > <http://webcache.googleusercontent.com/search?gfns=1&rlz=1T4SUNA_enDK247DK25 > 0&hlÚ&qÊche:KOLW0jHpQ5oJ:http://www.skyandtelescope.com/resources/darksk > y/3304011.html+The+Bortle+Dark-Sky+Skyandtelescope&ct=clnk> > &rlz=1T4SUNA_enDK247DK250&hlÚ&qÊche:KOLW0jHpQ5oJ:http://www.skyandtelesc > ope.com/resources/darksky/3304011.html+The+Bortle+Dark-Sky+Skyandtelescope&c > t=clnk > > > > http://www.frostydrew.org/observatory/columns/essays/bortle.htm > > > > > > > > mvh > > Søren Jessen > > >