{"id":205,"date":"2005-10-22T06:56:42","date_gmt":"2005-10-22T06:56:42","guid":{"rendered":"http:\/\/perezmedia.net\/beltofvenus\/2005\/10\/22\/mars_dust_storm\/"},"modified":"2021-11-27T23:20:33","modified_gmt":"2021-11-27T23:20:33","slug":"mars_dust_storm","status":"publish","type":"post","link":"https:\/\/perezmedia.net\/beltofvenus\/2005\/10\/22\/mars_dust_storm\/","title":{"rendered":"Mars Dust Storm &#8211; OCT 22, 2005 &#8211; 05:30-10:00 UT"},"content":{"rendered":"<p><b>Observation Notes:<\/b><br \/>\nThis was a great night to observe Mars. A dust storm has been brewing in Chryse for the past few days, and I wanted to try and catch it in the act. When I made my first observation of the evening at OCT 22, 2005, 05:30 UT, the central meridian was about 15\u00c2\u00b0 with the slender point of Margaritifer Sinus flickering in and out of view. Very prominent in the south was a cloud band swooping out of the morning limb and flowing along the southern side of Mare Erythraeum. I wasn&#8217;t sure if this was just some heavy condensation cloud activity, or part of the dust storm. The North Polar Hood was prominent, and notched.<\/p>\n<p><a href=\"javascript:myVoid()\" onmouseover=\"rollover('img2005102105')\" onmouseout=\"rollout('img2005102105')\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102105_MarsA.jpg\" name=\"img2005102105\" alt=\"Step 1\" border=\"1\" color=\"FFFFFF\"><\/a><br \/>\n<script type=\"text\/javascript\"><br \/>\n<!--\nsetrollover(\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102105_MarsB.jpg\");\n\/\/--><br \/>\n<\/script><\/p>\n<p><i>Move mouse over sketch to view labels.<br \/>\nEast and West noted in the sketch are Martian E\/W, not celestial E\/W.<\/i><\/p>\n<p>A few hours later at OCT 22, 2005, 09:00 UT, I pulled Mars up again at CM 65\u00c2\u00b0, to see a very bright spot a bit southwest of where I expected the storm to be. It was covering the eastern edges of Solic Lacus, and seemed to be feeding into the southern cloud band I had seen earlier. The #80A blue filter confirmed these bright spots nicely. I did not detect yellow coloration in this atmospheric phenomenon&#8211;instead, it appeared white. Still, the overall effect was colorful with oranges, dark green-grays, whites and blue-whites.<\/p>\n<p><a href=\"javascript:myVoid()\" onmouseover=\"rollover('img2005102202')\" onmouseout=\"rollout('img2005102202')\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102202_MarsA.jpg\" name=\"img2005102202\" alt=\"Step 1\" border=\"1\" color=\"FFFFFF\"><\/a><br \/>\n<script type=\"text\/javascript\"><br \/>\n<!--\nsetrollover(\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102202_MarsB.jpg\");\n\/\/--><br \/>\n<\/script><\/p>\n<p><i>Move mouse over sketch to view labels.<br \/>\nEast and West noted in the sketch are Martian E\/W, not celestial E\/W.<\/i><\/p>\n<p>I consider myself to be out of my league when it comes to planetary astrophotography, but I couldn&#8217;t resist giving this beautiful sight a try. These two images are what I ended up with. The first is a single shot that miraculously came out recognizable using eyepiece projection on my Canon 300D. I think it does a good job of showing the blue limb haze I was detecting visually, and it shows the billowing storm. But overall, it&#8217;s really soft..<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102200_Mars01.jpg\" border=\"1\" color=\"ffffff\"><\/p>\n<p>The second image is a stack of about 15 hand-held shots taken through the eyepiece. The northern limb haze isn&#8217;t showing up at all, but I think it&#8217;s a more detailed view, and corresponds pretty well with what I ended up sketching.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102200_Mars02.jpg\" border=\"1\" color=\"ffffff\"><\/p>\n<p>I&#8217;m hopeful that the dust storm won&#8217;t engulf the entire planet, but whatever it ends up doing, it was nice to catch it while it was young. Meanwhile, a couple blocks away, the cement factory was brewing up a dust storm of its own. What a luminous travesty.<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005102200_Factory.jpg\" border=\"1\" color=\"ffffff\"><\/p>\n<p><b>Info<\/b><\/p>\n<table width=\"470\" border=\"1\" cellspacing=\"0\" cellpadding-left=\"4\">\n<tbody>\n<tr>\n<td><b>Subject<\/b><\/td>\n<td>Mars &#8211; Central Meridian: 15\u00c2\u00b0 &#8211; 65\u00c2\u00b0<\/td>\n<\/tr>\n<tr>\n<td><b>Classification<\/b><\/td>\n<td>Planet<\/td>\n<\/tr>\n<tr>\n<td><b>Position*<\/b><\/td>\n<td>Taurus [RA: 03:13:00 \/ Dec: +16:31:37]<\/td>\n<\/tr>\n<tr>\n<td><b>Size*<\/b><\/td>\n<td>19.96&#8243; (Equatorial diameter)<\/td>\n<\/tr>\n<tr>\n<td><b>Brightness*<\/b><\/td>\n<td>-2.14<\/td>\n<\/tr>\n<tr>\n<td><b>Date\/Time<\/b><\/td>\n<td>October 21, 2005 &#8211; 10:30 PM MST through October 22, 2005 &#8211; 3:00 AM MST<br \/>\n(October 22, 2005 &#8211; 5:30 &#8211; 10:00 UT)<\/td>\n<\/tr>\n<tr>\n<td><b>Observing Loc.<\/b><\/td>\n<td>Flagstaff, AZ &#8211; Home<\/td>\n<\/tr>\n<tr>\n<td><b>Instrument<\/b><\/td>\n<td>Orion SVP 6LT Reflector (150 mm dia.\/1200 mm F\/L)<\/td>\n<\/tr>\n<tr>\n<td><b>Eyepieces\/Mag.<\/b><\/td>\n<td>10 mm Sirius Pl\u00c3\u00b6ssl+ 2X Barlow (240X)<br \/>\n#21A Orange Filter; #80A Blue Filter<\/td>\n<\/tr>\n<tr>\n<td><b>Conditions<\/b><\/td>\n<td>Clear, calm, 38\u00c2\u00b0 F<\/td>\n<\/tr>\n<tr>\n<td><b>Seeing<\/b><\/td>\n<td>Ant. II-III<\/td>\n<\/tr>\n<tr>\n<td><b>Transparency<\/b><\/td>\n<td>Unrecorded<\/td>\n<\/tr>\n<tr>\n<td><b>*Sources<\/b><\/td>\n<td>Orion&#8217;s The Sky Astronomy Software<br \/>\n<a href=\"http:\/\/www.britastro.org\/mars\/maps.htm\" target=\"_blank\" rel=\"noopener\">British Astronomical Society Mars Maps<\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Mars 2005102201<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[12,44,79,69,15],"tags":[],"class_list":["post-205","post","type-post","status-publish","format-standard","hentry","category-astro-photography","category-planetary","category-sg-mars","category-sg-planetary","category-sketch-gallery"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":208,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/10\/23\/mars_dust_storm_1\/","url_meta":{"origin":205,"position":0},"title":"Mars Dust Storm &#8211; 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