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	<title>Observatori d&#039;Agulló</title>
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		<title>Observatori d&#039;Agulló</title>
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		<title>ngc185</title>
		<link>http://observatoriagullo.wordpress.com/2011/12/29/ngc185/</link>
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		<pubDate>Thu, 29 Dec 2011 03:32:05 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

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			<content:encoded><![CDATA[<p><a href="http://observatoriagullo.files.wordpress.com/2011/12/ngc185_clone1.png"><img class="alignnone size-full wp-image-445" title="ngc185_clone1" src="http://observatoriagullo.files.wordpress.com/2011/12/ngc185_clone1.png?w=584&#038;h=375" alt="" width="584" height="375" /></a><a href="http://observatoriagullo.files.wordpress.com/2011/12/ngc185_clone.png"><img class="alignnone size-full wp-image-444" title="ngc185_clone" src="http://observatoriagullo.files.wordpress.com/2011/12/ngc185_clone.png?w=584&#038;h=375" alt="" width="584" height="375" /></a></p>
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		<slash:comments>0</slash:comments>
	
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">ngc185_clone1</media:title>
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			<media:title type="html">ngc185_clone</media:title>
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	</item>
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		<title>ic434 Halpha (WIP&#8230;)</title>
		<link>http://observatoriagullo.wordpress.com/2011/12/08/ic434-halpha-wip/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/12/08/ic434-halpha-wip/#comments</comments>
		<pubDate>Thu, 08 Dec 2011 10:53:31 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[Uncategorized]]></category>
		<category><![CDATA[horsehead nebula halpha]]></category>
		<category><![CDATA[ic 434]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=417</guid>
		<description><![CDATA[IC434 &#8220;Horsehead Nebula&#8221; in Orion A work in progress: the &#8220;winter standard&#8221; IC434 , h alpha filter , near to full moon, very bad seeing, high humidity&#8230;. 6 x 600 seg /  filter H alpha 7nm Baader / FLI PL-6303e &#8230; <a href="http://observatoriagullo.wordpress.com/2011/12/08/ic434-halpha-wip/">Continua llegint <span class="meta-nav">&#8594;</span></a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=417&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://observatoriagullo.files.wordpress.com/2011/07/integration2221.png" target="_blank"><img class=" wp-image-430   alignnone" style="border:1px solid grey;" title="IC 434 Halpha" src="http://observatoriagullo.files.wordpress.com/2011/07/integration2221.png?w=717&#038;h=1075" alt="" width="717" height="1075" /></a></p>
<h5><span style="color:#b70000;">IC434 &#8220;Horsehead Nebula&#8221; in Orion</span></h5>
<p>A work in progress: the &#8220;winter standard&#8221; IC434 , h alpha filter , near to full moon, very bad seeing, high humidity&#8230;.</p>
<p>6 x 600 seg /  filter H alpha 7nm Baader / FLI PL-6303e / CDK 12.5&#8243; / AO 6Hz &#8230; waiting for better weather!</p>
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">IC 434 Halpha</media:title>
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	</item>
		<item>
		<title>VdB126, PN PM 2-41</title>
		<link>http://observatoriagullo.wordpress.com/2011/07/04/vdb126-pn-pm-2-41/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/07/04/vdb126-pn-pm-2-41/#comments</comments>
		<pubDate>Mon, 04 Jul 2011 01:38:48 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[PixInsight]]></category>
		<category><![CDATA[CDK 12.5]]></category>
		<category><![CDATA[dark nebula]]></category>
		<category><![CDATA[FLI 6303E]]></category>
		<category><![CDATA[VdB 1126]]></category>
		<category><![CDATA[Vulpecula]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=412</guid>
		<description><![CDATA[Aquest ultims dies he fotografiat aquesta zona de Vulpecula, amb varies zones de matèria interestelar fosca, la nebulosa VdB126 i una possible nebulosa planetària (ja catalogada&#8230;) PN PM 2-41. Han estat 16 x 900seg bin 1&#215;1 per luminància (filtre IV-IR &#8230; <a href="http://observatoriagullo.wordpress.com/2011/07/04/vdb126-pn-pm-2-41/">Continua llegint <span class="meta-nav">&#8594;</span></a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=412&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Aquest ultims dies he fotografiat aquesta zona de Vulpecula, amb varies zones de matèria interestelar fosca, la nebulosa VdB126 i una possible nebulosa planetària (ja catalogada&#8230;) PN PM 2-41.</p>
<p>Han estat 16 x 900seg bin 1&#215;1 per luminància (filtre IV-IR ) i 6 x 900seg bin 1&#215;1 cada canal RGB. Amb Planewave CDK 12.5&#8243; + FLI PL-6303E a -40ºC + AO (5Hz).  Averaged seeing =  2.2&#8243;  (0.73&#8243;/pix)</p>
<p>Tota la cal·libració i el processat amb PixInsight 1.7, amb una feinada per les estrelles impressionant.</p>
<div id="attachment_423" class="wp-caption aligncenter" style="width: 760px"><a href="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_70web2.png"><img class="size-full wp-image-423" title="VdB126_LRGB_DEF2_70web" src="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_70web2.png?w=584" alt=""   /></a><p class="wp-caption-text">VdB 126, PN PM 2-41 (70%)</p></div>
<p>A la imatge es pot identificar diferents nebuloses, un púlsar, alguna font de raigs X, estrelles amb moviment propi important&#8230; :</p>
<p>* <a href="http://vizier.u-strasbg.fr/viz-bin/VizieR-S?G%20185-24" target="_blank">G 185-24</a> és una estrella de mag.B=15.4 amb un moviment propi de 0.213&#8243;/any aprox.</p>
<p>* <a href="http://cdsarc.u-strasbg.fr/viz-bin/VizieR-5?-info=XML&amp;-out.add=.&amp;-source=VII/21/catalog&amp;recno=126" target="_blank">VdB126</a> és una nebulosa de reflexió que envolta l&#8217;estrella  HD182918 de mag.V=8.3 típus espectral A2<strong></strong>. Segons el catàleg HD té un còdig de color VB &#8220;very blue&#8221;&#8230; També és troba dins d&#8217;aquesta nebulosa núvols mol·leculars de formació d&#8217;estrelles (<a href="http://cdsarc.u-strasbg.fr/viz-bin/VizieR-5?-ref=VIZ4e11b3e2684c&amp;-out.add=.&amp;-source=V/112A/catalog&amp;recno=20950" target="_blank">57.03+3.00</a>)</p>
<p>* <a href="http://vizier.u-strasbg.fr/viz-bin/VizieR-S?PSR%20B1925%2b22" target="_blank">1925+22</a> (1927+2234 en J2000) és un<a href="http://en.wikipedia.org/wiki/Pulsar" target="_blank"> púlsar</a> situat a 9.3 kpc amb un periode de 1.4310664142359999 seg.</p>
<p style="text-align:center;"><img class="size-full wp-image-425 aligncenter" title="Pulsar_schematic" src="http://observatoriagullo.files.wordpress.com/2011/07/pulsar_schematic.png?w=584" alt=""   /></p>
<p>  *  <a href="http://simbad.u-strasbg.fr/simbad/sim-id?Ident=PN+PM++2-41&amp;NbIdent=1" target="_blank">PN PM 2-41</a> és un possible nebulosa planetària, catalogada també com a font d&#8217;infraroig <a href="http://vizier.u-strasbg.fr/viz-bin/VizieR-S?IRAS%2019247%2b2238" target="_blank">IRAS19247+2238</a></p>
<p>*  <a href="http://simbad.u-strasbg.fr/simbad/sim-id?Ident=RNO+111&amp;NbIdent=1" target="_blank">RNO 111</a>,  <a href="http://cdsarc.u-strasbg.fr/viz-bin/VizieR-5?-info=XML&amp;-out.add=.&amp;-source=VII/244A/hclumps&amp;recno=1107" target="_blank">TGU h394</a> , i altres núvols son zones de matèria interestelar i pols que enfosqueixen la radiació de les estrelles que tenen al seu interior. És una zona del cel on abunden molt.</p>
<div id="attachment_424" class="wp-caption aligncenter" style="width: 760px"><a href="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_50named.png"><img class="size-full wp-image-424" title="VdB126_LRGB_DEF2_50NAMED" src="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_50named.png?w=584" alt=""   /></a><p class="wp-caption-text">VdB 126, PN PM 2-41, and other &quot;things&quot;...</p></div>
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		<slash:comments>1</slash:comments>
	
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			<media:title type="html">Pere</media:title>
		</media:content>

		<media:content url="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_70web2.png" medium="image">
			<media:title type="html">VdB126_LRGB_DEF2_70web</media:title>
		</media:content>

		<media:content url="http://observatoriagullo.files.wordpress.com/2011/07/pulsar_schematic.png" medium="image">
			<media:title type="html">Pulsar_schematic</media:title>
		</media:content>

		<media:content url="http://observatoriagullo.files.wordpress.com/2011/07/vdb126_lrgb_def2_50named.png" medium="image">
			<media:title type="html">VdB126_LRGB_DEF2_50NAMED</media:title>
		</media:content>
	</item>
		<item>
		<title>M106</title>
		<link>http://observatoriagullo.wordpress.com/2011/05/31/m106/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/05/31/m106/#comments</comments>
		<pubDate>Tue, 31 May 2011 13:46:51 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[galaxies]]></category>
		<category><![CDATA[M106]]></category>
		<category><![CDATA[messier 106]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=398</guid>
		<description><![CDATA[Messier 106 (70%) 8 x 900 seg. amb filtre IR-UV Cut Baader. FLI PL-6303e , Planewave CDK 12.5&#8243; Messier 106 inverted (70%)<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=398&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<div class="mceTemp mceIEcenter">
<div class="mceTemp mceIEcenter" style="text-align:justify;">
<dl class="wp-caption aligncenter">
<dt class="wp-caption-dt"><a href="http://observatoriagullo.files.wordpress.com/2011/05/m106_def701.png"><img class="size-full wp-image-402" title="M106_DEF70" src="http://observatoriagullo.files.wordpress.com/2011/05/m106_def701.png?w=584" alt=""   /></a></dt>
<dd class="wp-caption-dd">Messier 106 (70%)</dd>
</dl>
</div>
<p style="text-align:justify;">8 x 900 seg. amb filtre IR-UV Cut Baader. FLI PL-6303e , Planewave CDK 12.5&#8243;</p>
<p style="text-align:justify;">
<div id="attachment_410" class="wp-caption aligncenter" style="width: 760px"><a href="http://observatoriagullo.files.wordpress.com/2011/05/m106_invert_70_names.png"><img class="size-full wp-image-410" title="M106_INVERT_70_names" src="http://observatoriagullo.files.wordpress.com/2011/05/m106_invert_70_names.png?w=584" alt=""   /></a><p class="wp-caption-text">M106 ... i algunes galàxies...</p></div>
<p style="text-align:justify;">
<dl class="wp-caption aligncenter">
<dt class="wp-caption-dt"><a href="http://observatoriagullo.files.wordpress.com/2011/05/m106_invert_70.png"><img class="size-full wp-image-399" title="M106_INVERT_70" src="http://observatoriagullo.files.wordpress.com/2011/05/m106_invert_70.png?w=584" alt=""   /></a></dt>
<dd class="wp-caption-dd">Messier 106 inverted (70%)</dd>
</dl>
</div>
<div id="attachment_406" class="wp-caption aligncenter" style="width: 760px"><a href="http://observatoriagullo.files.wordpress.com/2011/05/m106_lrgb_def70.png"><img class="size-full wp-image-406" title="M106_LRGB_DEF70" src="http://observatoriagullo.files.wordpress.com/2011/05/m106_lrgb_def70.png?w=584" alt=""   /></a><p class="wp-caption-text">L+RGB</p></div>
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			<media:title type="html">M106_DEF70</media:title>
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			<media:title type="html">M106_LRGB_DEF70</media:title>
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		<item>
		<title>ngc4449</title>
		<link>http://observatoriagullo.wordpress.com/2011/05/06/ngc4449/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/05/06/ngc4449/#comments</comments>
		<pubDate>Thu, 05 May 2011 22:20:49 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[CDK 12.5]]></category>
		<category><![CDATA[galaxies]]></category>
		<category><![CDATA[galaxy cluster]]></category>
		<category><![CDATA[ngc4449]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=350</guid>
		<description><![CDATA[<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=350&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<div id="attachment_376" class="wp-caption aligncenter" style="width: 685px"><a href="http://observatoriagullo.files.wordpress.com/2011/05/crop_01_web.png"><img class="size-full wp-image-376 " title="CROP_01_web" src="http://observatoriagullo.files.wordpress.com/2011/05/crop_01_web.png?w=584" alt=""   /></a><p class="wp-caption-text">ngc 4449 (70%)</p></div>
<div id="attachment_381" class="wp-caption aligncenter" style="width: 685px"><a href="http://observatoriagullo.files.wordpress.com/2011/05/ngc4449_cluster01.png"><img class="size-full wp-image-381 " title="ngc4449_Cluster01" src="http://observatoriagullo.files.wordpress.com/2011/05/ngc4449_cluster01.png?w=584" alt=""   /></a><p class="wp-caption-text">ngc4449 clusters (Aladin applet)</p></div>
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">CROP_01_web</media:title>
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		<title>Reducció de soroll a NGC3718</title>
		<link>http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/#comments</comments>
		<pubDate>Sat, 30 Apr 2011 17:27:45 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[PixInsight]]></category>
		<category><![CDATA[ACDNR]]></category>
		<category><![CDATA[ATWT]]></category>
		<category><![CDATA[Noise reduction]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=338</guid>
		<description><![CDATA[Per fer la reducció de soroll final a la imatge de ngc3718 he utilitzat dues eines molt potents del PixInsight 1.6:  ATWT, ATrous Wavelet Transform  i  ACDNR,  Adaptive Contrast-Driven Noise Reduction. 1.- Màscara de protecció: Bàsicament interessa eliminar el soroll &#8230; <a href="http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/">Continua llegint <span class="meta-nav">&#8594;</span></a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=338&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Per fer la reducció de soroll final a la imatge de ngc3718 he utilitzat dues eines molt potents del PixInsight 1.6:  ATWT, ATrous Wavelet Transform  i  ACDNR,  Adaptive Contrast-Driven Noise Reduction.</p>
<p>1.- Màscara de protecció:</p>
<p>Bàsicament interessa eliminar el soroll del fons del cel. Per això he preparat una màscara per aïllar-lo extraient la luminància de la imatge original i transformant-li l&#8217;histograma deixant el fons de cel el més fosc possible sense que desapareguin estructures brillants. Aplicant aquesta màscara sobre la imatge original tindrem les estructures protegides i podrem actuar sobre el fons de cel sense por de perdre cap informació important.</p>
<p>2.- ATWT K_Sigma</p>
<p>Aquesta funció de ATWT aplica una reducció de soroll a les 4 primeres capes de la imatge, que és on acostuma a estar el soroll de fons. He activat l&#8217;opció de &#8220;Soft Thresholding&#8221; (límit de soroll suau) amb Threshold = 3 (valor per defecte). Activant &#8220;Use multiresolution support&#8221; es calcula la σ std. de la imatge. No és un procés molt correcte, estrictament parlant, per que redueix soroll a les 4 primeres capes indiscriminadament. Seria millor utilitzar el &#8220;Noise Reduction&#8221; per cada capa, però&#8230; crec que funciona prou bé.</p>
<p>3.- ACDNR Filters</p>
<p>Utilitzo ACDNR tant per la luminància com per la crominància. No aplico l&#8217;opcio de &#8220;luminance mask&#8221; ja que ja tenim la màscara que em creat abans amb la luminància de la imatge original. Les quantitats de StdDev (σ standard) i amount les he trobat amb unes iteracions de &#8220;prova-error&#8221; ,  però sempre amb una protecció de bores una mica agressiva. Aquests paràmetres de bores es regulen amb &#8220;Threshold&#8221; i &#8220;Overdrive&#8221;.</p>

<a href='http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/denoise01/' title='Preview 400%'><img data-attachment-id='345' data-orig-size='1054,677' data-liked='0'width="150" height="96" src="http://observatoriagullo.files.wordpress.com/2011/04/denoise01.png?w=150&#038;h=96" class="attachment-thumbnail" alt="Detall al 400%" title="Preview 400%" /></a>
<a href='http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/denoise02/' title='Preview 100%'><img data-attachment-id='339' data-orig-size='1052,676' data-liked='0'width="150" height="96" src="http://observatoriagullo.files.wordpress.com/2011/04/denoise02.png?w=150&#038;h=96" class="attachment-thumbnail" alt="Detall al 100%" title="Preview 100%" /></a>
<a href='http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/atwt_01/' title='ATWT K_Sigma'><img data-attachment-id='342' data-orig-size='312,624' data-liked='0'width="75" height="150" src="http://observatoriagullo.files.wordpress.com/2011/04/atwt_01.png?w=75&#038;h=150" class="attachment-thumbnail" alt="ATrous Wavelet Transform K_Sigma" title="ATWT K_Sigma" /></a>
<a href='http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/acdnr_chro/' title='ACDNR_Chro'><img data-attachment-id='341' data-orig-size='427,623' data-liked='0'width="102" height="150" src="http://observatoriagullo.files.wordpress.com/2011/04/acdnr_chro.png?w=102&#038;h=150" class="attachment-thumbnail" alt="ACDNR Crominància" title="ACDNR_Chro" /></a>
<a href='http://observatoriagullo.wordpress.com/2011/04/30/reduccio-de-soroll-a-ngc3718/acdnr_light/' title='ACDNR_Light'><img data-attachment-id='340' data-orig-size='426,623' data-liked='0'width="102" height="150" src="http://observatoriagullo.files.wordpress.com/2011/04/acdnr_light.png?w=102&#038;h=150" class="attachment-thumbnail" alt="ACDNR Luminància" title="ACDNR_Light" /></a>

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			<media:title type="html">Pere</media:title>
		</media:content>

		<media:content url="http://observatoriagullo.files.wordpress.com/2011/04/denoise01.png?w=150" medium="image">
			<media:title type="html">Preview 400%</media:title>
		</media:content>

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			<media:title type="html">Preview 100%</media:title>
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			<media:title type="html">ATWT K_Sigma</media:title>
		</media:content>

		<media:content url="http://observatoriagullo.files.wordpress.com/2011/04/acdnr_chro.png?w=102" medium="image">
			<media:title type="html">ACDNR_Chro</media:title>
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			<media:title type="html">ACDNR_Light</media:title>
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	</item>
		<item>
		<title>ngc 3718 + ngc 3729 + Hickson 56</title>
		<link>http://observatoriagullo.wordpress.com/2011/04/17/ngc-3718-ngc-3729-hickson-56/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/04/17/ngc-3718-ngc-3729-hickson-56/#comments</comments>
		<pubDate>Sun, 17 Apr 2011 01:30:52 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[FLI PL-6303E]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[CDK 12.5]]></category>
		<category><![CDATA[hickson 56]]></category>
		<category><![CDATA[liner]]></category>
		<category><![CDATA[ngc3718]]></category>
		<category><![CDATA[ngc3729]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=300</guid>
		<description><![CDATA[Aquesta és la primera imatge feta amb la nova CCD, la Finger Lakes FLI-Proline 6303E. En total son 6 hores d&#8217;exposició amb el filtre UV-IR Cut (24 x 900 seg.) i 1hora per cada color RGB (12 x 300 seg.) &#8230; <a href="http://observatoriagullo.wordpress.com/2011/04/17/ngc-3718-ngc-3729-hickson-56/">Continua llegint <span class="meta-nav">&#8594;</span></a><img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=300&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><span style="color:#ff0000;"><span style="color:#000000;">Aquesta és la primera imatge feta amb la nova CCD, la <a href="http://www.flicamera.com/proline/index.html" target="_blank">Finger Lakes FLI-Proline 6303E.</a></span></span></p>
<div id="attachment_335" class="wp-caption alignnone" style="width: 760px"><a href="http://observatoriagullo.files.wordpress.com/2011/04/ngc3718_lrgb_100_def_denoised.png"><img class="size-full wp-image-335" title="ngc3718_lrgb_100" src="http://observatoriagullo.files.wordpress.com/2011/04/ngc3718_lrgb_100_def_denoised.png?w=584" alt=""   /></a><p class="wp-caption-text">ngc3718 + ngc3729 + Hickson56 (100% - 0.73&quot;/pix)</p></div>
<p>En total son 6 hores d&#8217;exposició amb el filtre UV-IR Cut (24 x 900 seg.) i 1hora per cada color RGB (12 x 300 seg.) Tot el processat ha estat fet amb PixInsight 1.6,  la cal·libració, apilat i processat final. S&#8217;ha de tenir en compte que el CDK estava molt descol·limat, després d&#8217;haver muntat la càmera, la AO&#8230; i encara ho haig de repasar.</p>
<p>LOCALITZACIÓ:</p>
<p><a href="http://observatoriagullo.files.wordpress.com/2011/04/kstars_ngc3718.jpg"><img class="size-medium wp-image-323 alignleft" title="KStars_ngc3718" src="http://observatoriagullo.files.wordpress.com/2011/04/kstars_ngc3718.jpg?w=322&#038;h=161" alt="" width="322" height="161" /></a></p>
<ul>
<li>NGC 3718</li>
<li>AR: 11h32m35.7s</li>
<li>DEC: +53º03&#8217;59&#8243; (Ep.2000)</li>
<li>Size: 8.1&#8242; x 3.9&#8242;</li>
<li>Morphology: <span style="font-family:Verdana;">SB(s)a pec;Sy1 LINER</span></li>
<li><span style="font-family:Verdana;"><span style="font-family:Verdana;">Barred Spiral Galaxy, S-shaped, peculiar, Seyfert or LINER (Low-Ionization Nuclear Emission-line Region) type nucleus</span><br />
</span></li>
</ul>
<p>Ngc 3718 és una galàxia amb nucli actiu (AGN)  amb zones tipus <em>LINER (Low-ionization nuclear emission-line region</em>), és a dir, que el seu nucli és caracteritza per les seves línies del espectre d&#8217;emissió. Aquest espectre típic inclou línies d&#8217;emissió  d&#8217;àtoms neutres o dèbilment ionitzats com el O, O<sup>+</sup>, N<sup>+</sup>, i  S<sup>+</sup>. Per altra banda, les línies espectrals d&#8217;àtoms fortament ionitzats, com el  O<sup>++</sup>, Ne<sup>++</sup>, i  He<sup>+</sup>, son relativament dèbils. Aproximadament una tercera part de les galàxies pròximes (distàncies entre 20-40 Mpc) son <em>LINER galaxies</em>.</p>
<p><a href="http://observatoriagullo.files.wordpress.com/2011/04/captura-aladin-v7-0-4.png"><img class="alignleft size-medium wp-image-325" title="Captura-Aladin v7.0-4" src="http://observatoriagullo.files.wordpress.com/2011/04/captura-aladin-v7-0-4.png?w=319&#038;h=187" alt="" width="319" height="187" /></a>Aquesta imatge té 6h d&#8217;exposició, fins a quina magnitud es pot arrivar? Per fer-me una idea he utilitzat l&#8217;<a href="http://aladin.u-strasbg.fr/" target="_blank">Aladin</a>  i m&#8217;he portat una bona sorpresa. Amb la base de dades del <a href="http://www.sdss.org/" target="_blank">Ned/SSDS</a> apareixen galàxies i estrelles amb mag.&gt;23 perfectament visibles encara que amb una S/R molt baixa. Tenint en compte que la magnitud de fons pot estar sobre 21.5 / 21.7 és bastant sorprenent.  No son ni resultats científics, ni definitius, ni res de res, però indica que es poden aconseguir magnituds per sobre del fons de cel . Ho haig d&#8217;estudiar una mica!!</p>
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		<slash:comments>2</slash:comments>
	
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">ngc3718_lrgb_100</media:title>
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			<media:title type="html">Captura-Aladin v7.0-4</media:title>
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		<item>
		<title>ngc 3718 (Arp 218) + ngc 3729 + Hickson 56</title>
		<link>http://observatoriagullo.wordpress.com/2011/04/13/ngc-3718/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/04/13/ngc-3718/#comments</comments>
		<pubDate>Wed, 13 Apr 2011 16:10:16 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[Uncategorized]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=292</guid>
		<description><![CDATA[Primer processat ngc 3718 (Arp 218) +ngc 3729 +Hickson 56<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=292&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p><a href="http://observatoriagullo.files.wordpress.com/2011/04/integ_reg_ngc3718_l_deconv03.png"><img class="alignnone size-full wp-image-298" title="INTEG_reg_ngc3718_L" src="http://observatoriagullo.files.wordpress.com/2011/04/integ_reg_ngc3718_l_deconv03.png?w=584" alt=""   /></a></p>
<p>Primer processat ngc 3718 (Arp 218) +ngc 3729 +Hickson 56</p>
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		<slash:comments>1</slash:comments>
	
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">INTEG_reg_ngc3718_L</media:title>
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		<title>Arp168 (M32)</title>
		<link>http://observatoriagullo.wordpress.com/2011/02/16/arp168-m32/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/02/16/arp168-m32/#comments</comments>
		<pubDate>Wed, 16 Feb 2011 01:22:54 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[Artemis11002]]></category>
		<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[Imatges]]></category>
		<category><![CDATA[Arp 168]]></category>
		<category><![CDATA[CDK 12.5]]></category>
		<category><![CDATA[galaxies]]></category>
		<category><![CDATA[Messier 32]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=277</guid>
		<description><![CDATA[Aprofitant una imatge RGB de l&#8217;any passat feta des de casa a Agulló he afegit una mica de color a la fotografia anterior de Arp168 (Messier 32) Pa la terricola&#8230;con colorines! <img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=277&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>Aprofitant una imatge RGB de l&#8217;any passat feta des de casa a Agulló he afegit una mica de color a la fotografia anterior de Arp168 (Messier 32)</p>
<div id="attachment_278" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/m32_arp168_lrgbweb.jpg"><img class="size-full wp-image-278" title="M32_Arp168_LRGBweb" src="http://observatoriagullo.files.wordpress.com/2011/02/m32_arp168_lrgbweb.jpg?w=584" alt=""   /></a><p class="wp-caption-text">Arp 168 (Messier 32)</p></div>
<p>Pa la terricola&#8230;con colorines!  <img src='http://s1.wp.com/wp-includes/images/smilies/icon_wink.gif' alt=';-)' class='wp-smiley' /> </p>
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			<media:title type="html">Pere</media:title>
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			<media:title type="html">M32_Arp168_LRGBweb</media:title>
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		<title>Imatges variades, Abell, Arp, Ngc&#8230;</title>
		<link>http://observatoriagullo.wordpress.com/2011/02/14/imatges-variades-abell-arp-ngc/</link>
		<comments>http://observatoriagullo.wordpress.com/2011/02/14/imatges-variades-abell-arp-ngc/#comments</comments>
		<pubDate>Mon, 14 Feb 2011 01:57:09 +0000</pubDate>
		<dc:creator>Pere</dc:creator>
				<category><![CDATA[CDK 12.5"]]></category>
		<category><![CDATA[Imatges]]></category>

		<guid isPermaLink="false">http://observatoriagullo.wordpress.com/?p=270</guid>
		<description><![CDATA[&#160; ARP 331 NGC 5907 Arp 168 (Messier 32) Abell 2634 (ngc 7720) &#160; ngc 7814<img alt="" border="0" src="http://stats.wordpress.com/b.gif?host=observatoriagullo.wordpress.com&amp;blog=12772040&amp;post=270&amp;subd=observatoriagullo&amp;ref=&amp;feed=1" width="1" height="1" />]]></description>
			<content:encoded><![CDATA[<p>&nbsp;</p>
<h2><span style="color:#ff0000;">ARP 331</span></h2>
<div id="attachment_269" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/arp331.jpg"><img class="size-full wp-image-269" title="Arp331" src="http://observatoriagullo.files.wordpress.com/2011/02/arp331.jpg?w=584" alt=""   /></a></dt>
<h2 class="wp-caption-dd">Arp 331</h2>
</dl>
</div>
<h2><span style="color:#ff0000;">Abell 2319<br />
</span></h2>
<div class="mceTemp">
<dl class="wp-caption alignnone">
<dt class="wp-caption-dt"><a href="http://observatoriagullo.files.wordpress.com/2011/02/abell2319_300seg.jpg"><img class="size-full wp-image-265" title="ABELL2319_300seg" src="http://observatoriagullo.files.wordpress.com/2011/02/abell2319_300seg.jpg?w=584" alt=""   /></a><p class="wp-caption-text">Abell 2319</p></div>
<h2></h2>
<h2><span style="color:#ff0000;">NGC 5907</span></h2>
<div id="attachment_268" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/ngc5907_01.jpg"><img class="size-full wp-image-268" title="ngc5907_01" src="http://observatoriagullo.files.wordpress.com/2011/02/ngc5907_01.jpg?w=584" alt=""   /></a><p class="wp-caption-text">ngc 5907</p></div>
<h2></h2>
<h2><span style="color:#ff0000;">Arp 168 (Messier 32)</span></h2>
<div id="attachment_267" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/m32_arp168.jpg"><img class="size-full wp-image-267" title="M32_Arp168" src="http://observatoriagullo.files.wordpress.com/2011/02/m32_arp168.jpg?w=584" alt=""   /></a><p class="wp-caption-text">Arp 168 (M32)</p></div>
<h2></h2>
<h2><span style="color:#ff0000;">Abell 2634 (ngc 7720)</span></h2>
<div id="attachment_266" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/abell2634_ngc7720.jpg"><img class="size-full wp-image-266" title="Abell2634_ngc7720" src="http://observatoriagullo.files.wordpress.com/2011/02/abell2634_ngc7720.jpg?w=584" alt=""   /></a><p class="wp-caption-text">Abell 2634 (ngc 7720)</p></div>
<p>&nbsp;</p>
<h2><span style="color:#ff0000;">ngc 7814</span></h2>
<div id="attachment_273" class="wp-caption alignnone" style="width: 507px"><a href="http://observatoriagullo.files.wordpress.com/2011/02/ngc7814.jpg"><img class="size-full wp-image-273" title="NGC7814" src="http://observatoriagullo.files.wordpress.com/2011/02/ngc7814-e1297648393338.jpg?w=584" alt=""   /></a><p class="wp-caption-text">ngc 7814</p></div>
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			<media:title type="html">Pere</media:title>
		</media:content>

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			<media:title type="html">Arp331</media:title>
		</media:content>

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			<media:title type="html">ABELL2319_300seg</media:title>
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			<media:title type="html">ngc5907_01</media:title>
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			<media:title type="html">M32_Arp168</media:title>
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			<media:title type="html">Abell2634_ngc7720</media:title>
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			<media:title type="html">NGC7814</media:title>
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