your email:

your name:

Recipient(s):
(Separate multiple addresses with a comma)

Subject:

Message:
<p> an entry from <a href="http://www.alpheratz.net/observing/"><i>Marc Murison's Amateur Astronomy Weblog</i></a>:<br> <b>M42 on December 13, 2004</b> <p> <a href='javascript:ImageWindow("http://www.alpheratz.net/images/observing/M42_2004-12-13.jpg",618,580,"external")'><img src="http://www.alpheratz.net/images/observing/M42_2004-12-13_thumb.jpg" width="160" height="150" align="left" style="margin-right: 5px; margin-bottom: 5px;" border="0" alt="" name=""></a> <a href="http://www.seds.org/messier/m/m042.html" class="outlink" target="_blank">M42</a> on December 13, 2004. Prime focus (f/8.0) and Astronomik <a href="http://www.astronomik.com/english/eng_halpha.html" class="outlink" target="_blank">H<span style="font-family: SymbolPi;">a</span> filter</a> (FWHM ~130 Å). Integration times: 150×2.13 sec (5.33 min) for the core (note the Trapezium) and 37×8.53 sec (5.26 min) for the wings. <br clear="all">

Please enter the word you see in the image below: