Elephant's Trunk Nebula (IC 1396) in narrowband colors

Posted by AntonFarm
on Sunday, July 18, 2010

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<?xml:namespace prefix = o /><o:p></o:p>http://www.astrofarma.gr/ Location: Mauna Keratea Obs, Dates (17,18,21,23,30/06 & 1/07/2010)
Telescope: WO Zenith Star ED70/420 - Astro-tech Field Flatterer
Mount: SW EQ6 – Camera  QHY9
Guiding: TS Finder 8X50, QHY5, PHD, EQMOD
: 25 x 1800 sec Bin 1 x 1 in Ha<o:p></o:p>                    10 x 1800 sec Bin 2 x 2 in OIII<o:p></o:p>                    10 x 1800 sec Bin 2 x 2 in SII
Software: Nebulosity 2, Maxim dl, CCD Stack, Photoshop CS5
Hubble colors:  Hα       = Green <o:p></o:p>                          ΟΙΙΙ      = Blue<o:p></o:p>                          SII        = Red<o:p></o:p>                          Hα+SII = Orange-Yellow<o:p></o:p>
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