SH2-280
(Sharpless 280
)
SH2-280 is a nice object that is fairly bright but does not show up very well in the RGB color filters; however, it does very well with the hydrogen-alpha filter. You do need a longer exposure to colorize the nebula since the H-Alpha is so strong. The nebula also does well with the narrowband filters, but you need to expose the Sulfur II and Oxygen III longer than the H-Alpha channel. The color version of this object was published in Sky & Telescope’s Beautiful Universe 2008 as well as in Astronomy Magazine, August 2007
For a complete list of the Sharpless Catalog visit my main site at
http://www.sharplesscatalog.com
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