<p>Photo of the spiral galaxy Messier 101 (also named Pinwheel Galaxy or after the NGC catalog: NGC 5457) taken in Sommerholz, Austria using the following equipement:
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<ul><li>telescope: 250/1200mm Newton</li>
<li>camera: Canon EOS 300D camera</li>
<li>exposure: 1 x 300 sec ISO1600, 1 x 300 sec ISO 800</li></ul>
Rochus Hess
Attribution
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<ul><li><a rel="nofollow" class="external free" href="http://members.aon.at/astrofotografie/galerie/deepsky/he_m101.htm">http://members.aon.at/astrofotografie/galerie/deepsky/he_m101.htm</a></li></ul>