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Home→Published 2013 → May

Monthly Archives: May 2013

The Sun (H alpha) 2013 May 15

Posted on May 16, 2013 by davidardittiMay 16, 2013
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A lot of activity visible. Very spotty in white light as well, but  didn’t get a white light image. … Continue reading →

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Messier 97, the Owl Nebula

Posted on May 6, 2013 by davidardittiMay 6, 2013
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Here’s a classic object for this time of year, the ghostly Owl Nebula, in a false-colour image taken through H alpha and OIII filters. It gives the impression of two spherical shells of gas displaced from one another, but, unlike … Continue reading →

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The Sun ( H alpha) 2013 May 03

Posted on May 4, 2013 by davidardittiMay 4, 2013
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It’s the time of year for solar observing again, and there was a nice active disk yesterday in both H alpha and white light. Here’s an image taken by the method I’ve been using for a couple of years now, … Continue reading →

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Messier 81 2013 March 02–14

Posted on May 4, 2013 by davidardittiMay 4, 2013
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This is an LRGB image with the L from a light pollution filter, but it is rather undersaturated as the data is dominated by the luminance; true RGB from such a light-polluted environment  as I work in is probably impossible. … Continue reading →

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