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Sunday, January 11, 2015

Veil Nebula in light of ionized oxygen only



This must be the worst winter season ever! Last time we have had clear skies, up here 65N, was at end of the October, almost two and half months ago! Now it's cloudy, -13celsius (~8 fahrenheit) with a storming wind to a top of that. Next ten days will be no better by weather forecast. Few words comes to in my mind but I say only one, frustrated.



Veil Nebula in O-III light only
Click for the large image

This photo of the Veil Nebula supernova remnant in Cygnus shows only an emission from the ionized oxygen (O-III). All the stars are suppressed to show the actual shapes of the ionization front better.
The ionized oxygen, O-III, glows at wavelength of 500,7 nanometer. To a human eye it shows as a turquoise color. 

Info

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


Some closeup photos in emission of ionized oxygen only


IC 1340 in ionized Oxygen light, O-III

More info about this photo of mine can be see HERE



Pickering's Triangle in ionized Oxygen light, O-III

More info about this photo of mine can be see HERE



Eastern Veil in ionized Oxygen light, O-III

More info about this photo of mine can be see HERE



Witch Broom Nebula in ionized Oxygen light, O-III

More info about this photo of mine can be see HERE



The Veil Nebula in colors

This photo of the Veil nebula shows it in full colors. Colors are combined from the emission of ionized elements, hydrogen, sulfur and oxygen.(H-alpha, S-II and O-III) More info about this photo of mine can be see HERE




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