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Message: <p> an entry from <a href="http://www.alpheratz.net/observing/"><i>Marc Murison's Amateur Astronomy Weblog</i></a>:<br> <b>evolution of AR9800</b> <p> <a href='javascript:ImageWindow("http://www.alpheratz.net/images/observing/AR9800_01-26-02.jpg",640,680,"external")'><img src="http://www.alpheratz.net/images/observing/AR9800_01-26-02_thumb.jpg" width="141" height="150" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""></a> <a href='javascript:ImageWindow("http://www.alpheratz.net/images/observing/AR9800_01-27-02.jpg",640,690,"external")'><img src="http://www.alpheratz.net/images/observing/AR9800_01-27-02_thumb.jpg" width="139" height="150" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""></a> AR9800 showing rapid evolution over 24 hours (January 26 and 27, 2002) <br clear="all"> <img src="http://www.alpheratz.net/images/observing/AR9800_01-27-02_movie_thumb.jpg" width="240" height="158" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""> A 14-second movie of AR9800 on January 27, 2002, illustrating the effects of atmospheric seeing. Note the waves passing from left to right, due to an upper-level disturbance passing over the region. <br><br> <a href='javascript:makeWindow("http://www.alpheratz.net/images/observing/AR9800_01-27-02a.avi",480,320,"external")'>1.7 MB .avi</a><br> <a href='javascript:makeWindow("http://www.alpheratz.net/images/observing/AR9800_01-27-02a.mpg",480,320,"external")'>2.2 MB .mpg</a> <br><br> The AVI file is better quality than the MPG. The 10 fps video is a stretched, blurred (to remove pixel defects due to Philips driver interpolation problems), sharpened, and <i>highly</i> compressed copy of the original AVI captured at the telescope. Observation details are the same as for the Jan. 27 still frame shown above. Orientation of the movie is South up, West to the left. <br clear="all">
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