Image of the day 11/11/2012

Pickerin's Triangle, Metsavainio

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Description

Two color image from H-a and O-III, image is in natural colors from narrowband channels. Emission of hydrogen can be seen as Red and emission of oxygen as Blue.

Pickering's Triangle 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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Pickerin's Triangle, Metsavainio