Red stripes
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by Bloody_Angel translator
Does anyone know what are the two red lines in the picture? I've come across similar ones a couple of times already and I can't help but wonder what they are.. They don't look like satellite trails to me. Are they just optical artifacts?
http://skyserver.sdss3.org/dr8/en/tools/chart/chart.asp?ra=328.49778824&dec=47.17995752
p.s. nebula looks great too 😃
Posted
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by JeanTate in response to Bloody_Angel's comment.
They're artifacts, basically some kind of reflection of light - in the
gi band - from the bright star in the center. They don't appear to link directly back to the star because they're in a different Field, as you can see from the same image, when you tick the "Fields" box (under Advanced options).Yes, it's cool HII nebula, isn't it?
UPDATE: red stripe = i band, not g band (silly me)
Posted
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by Bloody_Angel translator
Thank you 😃
It's absolutely fascinating 😃Posted