Uploads from Mark Hellweg, tagged oxygen http://www.flickr.com/photos/eifelsternwarte/tags/oxygen/ Thu, 18 Jun 2009 13:39:19 -0700 Thu, 18 Jun 2009 13:39:19 -0700 http://www.flickr.com/ http://farm3.staticflickr.com/2234/buddyicons/23520521@N05.jpg?1202302590#23520521@N05 Uploads from Mark Hellweg, tagged oxygen http://www.flickr.com/photos/eifelsternwarte/tags/oxygen/ North america nebula NGC 7000 http://www.flickr.com/photos/eifelsternwarte/3638862883/ <p><a href="http://www.flickr.com/people/eifelsternwarte/">Mark Hellweg</a> posted a photo:</p> <p><a href="http://www.flickr.com/photos/eifelsternwarte/3638862883/" title="North america nebula NGC 7000"><img src="http://farm3.staticflickr.com/2476/3638862883_089f687660_m.jpg" width="240" height="159" alt="North america nebula NGC 7000" /></a></p> <p>North america nebula NGC 7000 <br /> Nordamerika Nebel<br /> <br /> Exposure data:<br /> Luminance:<br /> 12 x 10 min @ 800 ASA<br /> <br /> Takahashi FS60 CB<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Thu, 18 Jun 2009 13:39:19 -0700 2009-06-05T20:14:22-08:00 nobody@flickr.com (Mark Hellweg) tag:flickr.com,2004:/photo/3638862883 North america nebula NGC 7000 <p>North america nebula NGC 7000 <br /> Nordamerika Nebel<br /> <br /> Exposure data:<br /> Luminance:<br /> 12 x 10 min @ 800 ASA<br /> <br /> Takahashi FS60 CB<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Mark Hellweg mount oxygen telescope astrophotography astronomy nightsky dslr universe hydrogen northamericanebula deepsky halpha ngc7000 narrowband falschfarben losmandyg11 astrofotografie nordamerikanebel canoneos20da doublyionizedoxygen doublyionizedsulfur takahashifs60cb NGC7000 narrow band filter [SII], Hα, [OIII] http://www.flickr.com/photos/eifelsternwarte/3639672682/ <p><a href="http://www.flickr.com/people/eifelsternwarte/">Mark Hellweg</a> posted a photo:</p> <p><a href="http://www.flickr.com/photos/eifelsternwarte/3639672682/" title="NGC7000 narrow band filter [SII], Hα, [OIII]"><img src="http://farm4.staticflickr.com/3648/3639672682_6977841fe5_m.jpg" width="240" height="156" alt="NGC7000 narrow band filter [SII], Hα, [OIII]" /></a></p> <p>North america nebula NGC 7000 mapped color. [SII], Hα, [OIII]<br /> Nordamerika Nebel in Falschfarben.<br /> <br /> Filters<br /> Hα: hydrogen<br /> [OIII]: doubly ionized oxygen <br /> [SII]: doubly ionized sulfur <br /> <br /> R: [SII] G: Hα B: [OIII] composit. <br /> <br /> Exposure data:<br /> Luminance:<br /> 12 x 10 min @ 800 ASA<br /> Astronomik Hα-filter:<br /> 3 x 10 min @ 1600 ASA<br /> Astronomik [OIII]-filter:<br /> 3 x 10 min @ 1600 ASA<br /> Astronomik [SII]-filter:<br /> 4 x 10 min @ 1600 ASA<br /> <br /> Takahashi FS60 CB<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Thu, 18 Jun 2009 13:39:34 -0700 2009-06-05T20:18:48-08:00 nobody@flickr.com (Mark Hellweg) tag:flickr.com,2004:/photo/3639672682 NGC7000 narrow band filter [SII], Hα, [OIII] <p>North america nebula NGC 7000 mapped color. [SII], Hα, [OIII]<br /> Nordamerika Nebel in Falschfarben.<br /> <br /> Filters<br /> Hα: hydrogen<br /> [OIII]: doubly ionized oxygen <br /> [SII]: doubly ionized sulfur <br /> <br /> R: [SII] G: Hα B: [OIII] composit. <br /> <br /> Exposure data:<br /> Luminance:<br /> 12 x 10 min @ 800 ASA<br /> Astronomik Hα-filter:<br /> 3 x 10 min @ 1600 ASA<br /> Astronomik [OIII]-filter:<br /> 3 x 10 min @ 1600 ASA<br /> Astronomik [SII]-filter:<br /> 4 x 10 min @ 1600 ASA<br /> <br /> Takahashi FS60 CB<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Mark Hellweg mount oxygen telescope astrophotography astronomy nightsky dslr universe hydrogen northamericanebula deepsky halpha ngc7000 narrowband falschfarben losmandyg11 astrofotografie nordamerikanebel canoneos20da doublyionizedoxygen doublyionizedsulfur takahashifs60cb VDB142 "Elephants trunk" in IC1396 http://www.flickr.com/photos/eifelsternwarte/3638862333/ <p><a href="http://www.flickr.com/people/eifelsternwarte/">Mark Hellweg</a> posted a photo:</p> <p><a href="http://www.flickr.com/photos/eifelsternwarte/3638862333/" title="VDB142 &quot;Elephants trunk&quot; in IC1396"><img src="http://farm4.staticflickr.com/3392/3638862333_67f1949593_m.jpg" width="240" height="160" alt="VDB142 &quot;Elephants trunk&quot; in IC1396" /></a></p> <p>VDB142 &quot;Elephants trunk&quot; in IC1396 <br /> <br /> Exposure data:<br /> Luminance:<br /> 14 x 10 min @ 800 ASA<br /> <br /> Takahashi FS102 NSV + flattener f/6<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Thu, 18 Jun 2009 13:39:06 -0700 2009-06-05T20:35:46-08:00 nobody@flickr.com (Mark Hellweg) tag:flickr.com,2004:/photo/3638862333 VDB142 "Elephants trunk" in IC1396 <p>VDB142 &quot;Elephants trunk&quot; in IC1396 <br /> <br /> Exposure data:<br /> Luminance:<br /> 14 x 10 min @ 800 ASA<br /> <br /> Takahashi FS102 NSV + flattener f/6<br /> Losmandy G11 + Littlefoot<br /> Canon EOS 20Da<br /> Webcam autoguiding @<br /> Vixen ED81 + 2x barlow<br /> Processing with ImagesPlus, PS, Neat Image</p> Mark Hellweg mount oxygen telescope astrophotography astronomy nightsky dslr universe hydrogen deepsky halpha ic1396 elephantstrunk vdb142 narrowband falschfarben losmandyg11 flattener astrofotografie canoneos20da doublyionizedoxygen doublyionizedsulfur takahashifs102nsv