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<p> an entry from <a href="http://www.alpheratz.net/observing/"><i>Marc Murison's Amateur Astronomy Weblog</i></a>:<br> <b>M3 and NGC 4631 on June 3, 2004</b> <p> <a href='javascript:ImageWindow("http://www.alpheratz.net/images/observing/M3_2004-Jun-03.jpg",580,540,"external")'><img src="http://www.alpheratz.net/images/observing/M3_2004-Jun-03_thumb.jpg" width="150" height="137" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""></a> <a href="http://www.seds.org/messier/m/m003.html" class="outlink" target="_blank">M3</a> on June 3, 2004. Prime focus, IR blocking filter. This is one of the most-studied of globular clusters, containing the largest number of RR Lyrae stars of any known cluster. It is roughly 10 kpc distant and was formed about 11 Gyr ago. <br clear="all"> <p> <a href='javascript:ImageWindow("http://www.alpheratz.net/images/observing/NGC4631_2004-Jun-03.jpg",612,559,"external")'><img src="http://www.alpheratz.net/images/observing/NGC4631_2004-Jun-03_thumb.jpg" width="150" height="137" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""></a> <a href="http://www.seds.org/~spider/ngc/ngc.cgi?NGC+4631" class="outlink" target="_blank">NGC 4631</a>. Prime focus, IR blocking filter. This is an edge-on spiral that has been distorted due to interaction with the nearby elliptical, <a href="http://www.seds.org/~spider/ngc/ngc.cgi?NGC+4627" class="outlink" target="_blank">NGC 4627</a>.<br> <br clear="all">

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