Dave Gradwell
Image taken:
Oct. 28, 2009
Near Birr Ireland
Easily the best AR in some years. In fact its just as impressive in white light as H-alpha. Earth added to show just how big it is. H-alpha - PST-B90 @ f/15 DMK21 camera 5 pane mosaic. White light - Celestron 100ED at f/30, DMK21 camera. Dave Gradwell
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