Here's a shining example (ha, ha) of a planetary nebula. This is the Bug nebula (NGC6302). Its unusual shape reveals a ring of dark material around its middle, containing such delights as calcium carbonate (chalk to you and I). Chalk? Surely, that can only be formed from dead sea creatures' skeletons compressed in to rock and up thrust to form, say, the white cliffs of Dover? (I hear you ask). Well no, here it is, out in the reaches of space, in the constellation Scorpius. This is a fine southern object, captured with the ST8300 on the Relay Cassegrain at La Palma. Looks like a scuttling squirrel to me. A red squirrel! I had trouble bringing the dark and light areas out on this, but found that Digital Development in Maxim did a fine job. Then I had to find a clever way of taking out all the red green and blue hot pixels. Interesting little object, whatever creature it resembles.
Thursday, 21 July 2011
Bug
Here's a shining example (ha, ha) of a planetary nebula. This is the Bug nebula (NGC6302). Its unusual shape reveals a ring of dark material around its middle, containing such delights as calcium carbonate (chalk to you and I). Chalk? Surely, that can only be formed from dead sea creatures' skeletons compressed in to rock and up thrust to form, say, the white cliffs of Dover? (I hear you ask). Well no, here it is, out in the reaches of space, in the constellation Scorpius. This is a fine southern object, captured with the ST8300 on the Relay Cassegrain at La Palma. Looks like a scuttling squirrel to me. A red squirrel! I had trouble bringing the dark and light areas out on this, but found that Digital Development in Maxim did a fine job. Then I had to find a clever way of taking out all the red green and blue hot pixels. Interesting little object, whatever creature it resembles.
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