Image of the day 05/25/2013

Pickering's Triangle, a starless view, Metsavainio

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One of my starless astronomical image experiences, the Pickering's Triangle in Cygnus supernova remnant.

This area of the nebula is filled with colorful filaments, ionized sulfur and hydrogen are seen as green, golden hues, ionized oxygen can be seen as blue.

Pickering's Triangle, Simeis 3-188, is a small part of the Veil Nebula supernova remnant in constellation Cygnus.

Veil Nebula is a cloud of ionized gas and dust, leftovers from an exploded star. The star went off some 5000-8000 years ago at distance of about 1470 light years. This, relatively faint target, is difficult to image due to the large angular diameter, about three degrees, and a dense star field.

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Pickering's Triangle, a starless view, Metsavainio