{"id":141,"date":"2005-08-01T23:55:00","date_gmt":"2005-08-01T23:55:00","guid":{"rendered":"http:\/\/perezmedia.net\/beltofvenus\/2005\/08\/01\/doublemultiple_12\/"},"modified":"2005-08-01T23:55:00","modified_gmt":"2005-08-01T23:55:00","slug":"doublemultiple_12","status":"publish","type":"post","link":"https:\/\/perezmedia.net\/beltofvenus\/2005\/08\/01\/doublemultiple_12\/","title":{"rendered":"Eta Cassiopeiae (Struve 60)"},"content":{"rendered":"<p style=\"text-align: center\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2006\/img2006072005_EtaCass.jpg\" border=1 color=ffffff><\/p>\n<p><b>Sketch Refinement<\/b><\/p>\n<p>Above is the cleaned up sketch that was submitted to Sky and Telescope for the September 2006 issue.<\/p>\n<hr>\n<p><b>August 1, 2005 Observation<\/b><\/p>\n<p style=\"text-align: center\"><img decoding=\"async\" src=\"http:\/\/www.perezmedia.net\/beltofvenus\/archives\/images\/2005\/img2005073001C_ALDS1.jpg\" border=\"1\" color=\"ffffff\"><\/p>\n<p><b>Observation Notes:<\/b><\/p>\n<p>This was a nice close double. The bright primary was on the southeast side with a deep orange secondary on the northwest side. The color of the primary was hard to tell in contrast with the orange, and was most likely white, but the contrast made it look\u00e2\u20ac&#8221;get this\u00e2\u20ac&#8221;Key Lime Pie Green. Hah. My sketch estimates the position angle at about 310\u00c2\u00b0 with a separation of 25&#8243;. The AL double star list values are 307\u00c2\u00b0 and 12&#8243;.<\/p>\n<table width=\"470\" border=\"1\" cellspacing=\"0\" cellpadding-left=\"4\">\n<tr>\n<td><b>Subject<\/b><\/td>\n<td>Double\/Multiple Star: Eta Cassiopeiae (STF 60)<\/td>\n<\/tr>\n<tr>\n<td><b>Classification<\/b><\/td>\n<td>Multiple Star<\/td>\n<\/tr>\n<tr>\n<td><b>Position<\/b><\/td>\n<td>Cassiopeia [RA: 00:49:12 \/ Dec: +57:49]*<\/td>\n<\/tr>\n<tr>\n<td><b>Separation*<\/b><\/td>\n<td>12&#8243;<\/td>\n<\/tr>\n<tr>\n<td><b>Magnitudes*<\/b><\/td>\n<td>3.4, 7.5<\/td>\n<\/tr>\n<tr>\n<td><b>Position Angle*<\/b><\/td>\n<td>307\u00c2\u00b0<\/td>\n<\/tr>\n<tr>\n<td><b>Date\/Time<\/b><\/td>\n<td>08\/01\/05 &#8211; 11:55 PM<\/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>Partly cloudy, calm, 63\u00c2\u00b0F<\/p>\n<tr>\n<td><b>Seeing<\/b><\/td>\n<td>6\/10<\/td>\n<\/tr>\n<tr>\n<td><b>Transparency<\/b><\/td>\n<td>NELM Mag 5.2<\/td>\n<\/tr>\n<\/table>\n<p>*Based on published data.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eta Cassiopeiae<\/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":[56,57,65,15],"tags":[],"class_list":["post-141","post","type-post","status-publish","format-standard","hentry","category-double-star","category-sg-double-star","category-sgc-cassiopeia","category-sketch-gallery"],"jetpack_featured_media_url":"","jetpack-related-posts":[{"id":150,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/08\/13\/sigma_cassiopei\/","url_meta":{"origin":141,"position":0},"title":"Sigma Cassiopeiae (Struve 3049)","author":"jperez1690","date":"August 13, 2005","format":false,"excerpt":"Sigma Cassiopeiae","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":257,"url":"https:\/\/perezmedia.net\/beltofvenus\/2006\/07\/20\/double_star_ske_1\/","url_meta":{"origin":141,"position":1},"title":"Double Star Sketches in Sky and Telescope","author":"jperez1690","date":"July 20, 2006","format":false,"excerpt":"If you subscribe to Sky and Telescope, keep your eyes open for the article More of My Favorite Double Stars by James Mullaney in the September 2006 issue. I was invited to submit a few double star sketches to help illustrate the article. The author lists a couple dozen autumn\u2026","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":14,"url":"https:\/\/perezmedia.net\/beltofvenus\/2004\/08\/01\/double_star_ske\/","url_meta":{"origin":141,"position":2},"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":149,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/08\/12\/double_star_ent\/","url_meta":{"origin":141,"position":3},"title":"Double Star Entries Added","author":"jperez1690","date":"August 12, 2005","format":false,"excerpt":"20050812","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":152,"url":"https:\/\/perezmedia.net\/beltofvenus\/2005\/08\/14\/eta_persei_alds\/","url_meta":{"origin":141,"position":4},"title":"Eta Persei (Struve 307)","author":"jperez1690","date":"August 14, 2005","format":false,"excerpt":"Eta Persei","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":21,"url":"https:\/\/perezmedia.net\/beltofvenus\/2004\/08\/01\/published_mater\/","url_meta":{"origin":141,"position":5},"title":"Published Material","author":"jperez1690","date":"August 1, 2004","format":false,"excerpt":"Updated December 25, 2010 Books Astronomical Sketching: A Step-by-Step Introduction (Patrick Moore's Practical Astronomy Series) By Richard Handy, David B. Moody, Jeremy Perez, Erika Rix, Sol Robbins.Published by Springer, 2007. Contributed three chapters: Comets, Star Clusters, and Nebulae. Stargazing with Binoculars Firefly book by Robin Scagell and David Frydman -\u2026","rel":"","context":"In &quot;General&quot;","block_context":{"text":"General","link":"https:\/\/perezmedia.net\/beltofvenus\/category\/general\/"},"img":{"alt_text":"","src":"http:\/\/www.assoc-amazon.com\/e\/ir?t=thbeofve-20&l=as2&o=1&a=0387262407","width":350,"height":200},"classes":[]}],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/141","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=141"}],"version-history":[{"count":0,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/posts\/141\/revisions"}],"wp:attachment":[{"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/media?parent=141"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/categories?post=141"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/perezmedia.net\/beltofvenus\/wp-json\/wp\/v2\/tags?post=141"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}