Wednesday, December 7, 2011
Narrowband M33
This is an image of M33 I took using a Lightbuckets 110mm APO ED refractor located in France. The image was taken using narrowband filters for Hydrogen Alpha (Ha), SII (ionized sulfur), and OIII (doubly-ionized oxygen). Ha is mapped to the green channel, SII to red, and OIII to blue. The green patches in the galaxy are rich hydrogen regions of active star formation.
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So what you are saying is, when that star is formed, WE could say, "We knew it WHEN!"
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