{"id":84,"date":"2009-10-07T00:53:00","date_gmt":"2009-10-07T00:53:00","guid":{"rendered":"http:\/\/perezmedia.net\/beltofvenus\/2009\/10\/07\/doublemultiple_4\/"},"modified":"2009-10-07T00:53:00","modified_gmt":"2009-10-07T00:53:00","slug":"doublemultiple_4","status":"publish","type":"post","link":"https:\/\/perezmedia.net\/beltofvenus\/2009\/10\/07\/doublemultiple_4\/","title":{"rendered":"Rigel (Beta Orionis \/ Struve 668)"},"content":{"rendered":"<div class=\"imageblock\"><a href=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2008\/img2008113003_Rigellg.jpg\" target=\"_blank\" rel=\"noopener\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2008\/img2008113003_Rigel.jpg\" alt=\"Sketch of Rigel (Beta Orionis \/ Struve 668)\"><\/a><\/p>\n<p class=\"caption\">Sketch of Rigel (Beta Orionis \/ Struve 668)<\/p>\n<p><i>Click image to view larger version.<\/i><\/p>\n<\/div>\n<p><b>Observation Notes:<\/b><\/p>\n<p>Rigel really makes a beautiful pair. The effect of the brilliant primary glaring across its subdued companion is striking. The secondary does hold its own though, and even though the diffraction spikes cut straight across it, it was still visible.<\/p>\n<table class=\"objectdata\">\n<tr>\n<td><b>Subject<\/b><\/td>\n<td class=\"subject\">Rigel (Beta Orionis \/ STF 668)<\/td>\n<\/tr>\n<tr>\n<td><b>Classification<\/b><\/td>\n<td>Multiple Star<\/td>\n<\/tr>\n<tr>\n<td><b>Position (J2000)*<\/b><\/td>\n<td>Orion [RA: 05:14:32.3 \/ Dec: -08:12:05]<\/td>\n<\/tr>\n<tr>\n<td><b>Position Angle<\/b><\/td>\n<td>202&deg; [My Measurement 2008.9]<br \/>201&deg; [WDS 1822]*<\/td>\n<\/tr>\n<tr>\n<td><b>Separation<\/b><\/td>\n<td>11.2&#8243; [My Measurement 2008.9]<br \/>9.5&#8243; [WDS 1822]*<\/td>\n<\/tr>\n<tr>\n<td><b>Magnitudes*<\/b><\/td>\n<td>0.3 \/ 6.8<\/td>\n<\/tr>\n<tr>\n<td><b>Spectral Types*<\/b><\/td>\n<td>A: B8I; B: B8II<\/td>\n<\/tr>\n<tr>\n<td><b>Date\/Time<\/b><\/td>\n<td>NOV 30, 2008 &#8211; 11:40 PM (DEC 1, 2008 &#8211; 06:40 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 SkyQuest XT8 Dobsonian (203 mm dia.\/1200 mm F\/L)<\/td>\n<\/tr>\n<tr>\n<td><b>Eyepieces\/Mag.<\/b><\/td>\n<td>Pentax XW10 + 2X Barlow (240X)<br \/>Meade Astrometric EP + 2X Barlow (200X)<\/td>\n<\/tr>\n<tr>\n<td><b>Conditions<\/b><\/td>\n<td>Clear, cool, breezy<\/td>\n<\/tr>\n<tr>\n<td><b>Seeing<\/b><\/td>\n<td>5\/10 Pickering<\/td>\n<\/tr>\n<tr>\n<td><b>Transparency<\/b><\/td>\n<td>Mag 6.0 NELM<\/td>\n<\/tr>\n<tr>\n<td><b>*References<\/b><\/td>\n<td>The Washington Visual Double Star Catalog (Mason+ 2001-2009); Catalogue of Stellar Spectral Classifications (Skiff, 2009); SIMBAD<\/td>\n<\/tr>\n<\/table>\n<hr \/>\n<h3>January 17, 2005 Observation<\/h3>\n<p class=\"imageblock\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005011701_BetaORI.jpg\"><br \/>\n<i>October 10, 2006: To help provide a consistent style for my double star sketches, the above sketch is a digital update to the original sketch.<\/i><\/p>\n<p><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img20050116_02_ALDS018.jpg\"><\/p>\n<p><b>Observation Notes:<\/b><\/p>\n<p>Rigel is incredibly bright, with diffraction spikes reaching to the edge of the view. The companion star appears close and directly south of Rigel. The seeing is pretty crummy, but the companion still shows up. Fortunately, the spider vanes were turned to the perfect angle to let it show between them.<\/p>\n<table class=\"objectdata\">\n<tr>\n<td><b>Date\/Time<\/b><\/td>\n<td>JAN 17, 2005 &#8211; 10:00 PM (JAN 18, 2005 &#8211; 05:00 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 + 2X Barlow (240X)<\/td>\n<\/tr>\n<tr>\n<td><b>Conditions<\/b><\/td>\n<td>Clear, cool (39&deg;F), 1st quarter Moon<\/p>\n<tr>\n<td><b>Seeing<\/b><\/td>\n<td>3\/10 Pickering<\/td>\n<\/tr>\n<tr>\n<td><b>Transparency<\/b><\/td>\n<td>Mag 5.2 NELM<\/td>\n<\/tr>\n<\/table>\n<p>*Based on published data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Rigel<\/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":[56,57,52,15],"tags":[],"class_list":["post-84","post","type-post","status-publish","format-standard","hentry","category-double-star","category-sg-double-star","category-sgc-orion","category-sketch-gallery"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":14,"url":"https:\/\/perezmedia.net\/beltofvenus\/2004\/08\/01\/double_star_ske\/","url_meta":{"origin":84,"position":0},"title":"Double Star Sketches","author":"jperez1690","date":"August 1, 2004","format":false,"excerpt":"Double Star Sketches","rel":"","context":"In &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/general\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":547,"url":"https:\/\/perezmedia.net\/beltofvenus\/2010\/10\/03\/destinations_al\/","url_meta":{"origin":84,"position":1},"title":"Destinations Along the Winter Milky Way","author":"jperez1690","date":"October 3, 2010","format":false,"excerpt":"Photograph of Winter Milky Way over Sunset Crater with sketches of deep sky objects in the area. Move mouse over sketch above to see where each deep sky object resides. Click image for larger version. Click here for larger version without call-out lines. . . . . . Other Print\u2026","rel":"","context":"In &quot;Astro Photography&quot;","block_context":{"text":"Astro Photography","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/astro-photography\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":81,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/01\/16\/doublemultiple_1\/","url_meta":{"origin":84,"position":2},"title":"Delta Orionis (Struve 14)","author":"jperez1690","date":"January 16, 2005","format":false,"excerpt":"Delta Orionis","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":80,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/01\/16\/doublemultiple\/","url_meta":{"origin":84,"position":3},"title":"Lambda Orionis (Struve 738)","author":"jperez1690","date":"January 16, 2005","format":false,"excerpt":"Lambda Orionis","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":86,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/01\/17\/doublemultiple_6\/","url_meta":{"origin":84,"position":4},"title":"Theta 2 Orionis (Struve 16)","author":"jperez1690","date":"January 17, 2005","format":false,"excerpt":"Theta 2 Orionis","rel":"","context":"In &quot;Double Star&quot;","block_context":{"text":"Double Star","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/double-star\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":505,"url":"https:\/\/perezmedia.net\/beltofvenus\/2009\/11\/14\/beta_monoceroti\/","url_meta":{"origin":84,"position":5},"title":"Beta Monocerotis (Struve 919)","author":"jperez1690","date":"November 14, 2009","format":false,"excerpt":"Beta Monocerotis","rel":"","context":"In &quot;Deep Sky&quot;","block_context":{"text":"Deep Sky","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/deep-sky\/"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/84","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/comments?post=84"}],"version-history":[{"count":0,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/84\/revisions"}],"wp:attachment":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/media?parent=84"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/categories?post=84"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/tags?post=84"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}