{"id":1236,"date":"2019-01-05T12:59:25","date_gmt":"2019-01-05T18:59:25","guid":{"rendered":"http:\/\/jonvoisey.net\/blog\/?p=1236"},"modified":"2019-06-16T14:37:08","modified_gmt":"2019-06-16T19:37:08","slug":"data-stellar-quadrant-observations-1-4-19","status":"publish","type":"post","link":"https:\/\/jonvoisey.net\/blog\/2019\/01\/data-stellar-quadrant-observations-1-4-19\/","title":{"rendered":"Data: Stellar Quadrant Observations &#8211; 1\/4\/19"},"content":{"rendered":"<p>Last night was a nearly new moon. The temperature was uncommonly warm for this time of year<span id='easy-footnote-1-1236' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/jonvoisey.net\/blog\/2019\/01\/data-stellar-quadrant-observations-1-4-19\/#easy-footnote-bottom-1-1236' title='High of nearly 50\u00ba in January.'><sup>1<\/sup><\/a><\/span> but that didn&#8217;t end up disturbing the seeing too much as we had an exceptionally good night for observing. Combined with a rich field of stars in Taurus and Orion passing during the evening and Padraig and I had the most productive evening yet cataloging 59 stars, 16 of which were not in my original list of targets, but due to being able to see down to 5th magnitude, we were able to grab them.<\/p>\n<p><!--more--><\/p>\n<table>\n<tbody>\n<tr>\n<td><strong>Object<\/strong><\/td>\n<td><strong>Alt<\/strong><\/td>\n<td><strong>Az<\/strong><\/td>\n<td><strong>ST<\/strong><\/td>\n<td><strong>Dec<\/strong><\/td>\n<td><strong>Error<\/strong><span id='easy-footnote-2-1236' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/jonvoisey.net\/blog\/2019\/01\/data-stellar-quadrant-observations-1-4-19\/#easy-footnote-bottom-2-1236' title='Error is vs modern published values.'><sup>2<\/sup><\/a><\/span><\/td>\n<\/tr>\n<tr>\n<td>\u03bb Tau<\/td>\n<td>63.8<\/td>\n<td>180<\/td>\n<td>4:03<\/td>\n<td>12.53<\/td>\n<td>+0.05<\/td>\n<\/tr>\n<tr>\n<td>\u03bd Tau<\/td>\n<td>57.6<\/td>\n<td>180<\/td>\n<td>4:05<\/td>\n<td>6.32<\/td>\n<td>+0.34<\/td>\n<\/tr>\n<tr>\n<td>\u03bf1 Eri<\/td>\n<td>44.8<\/td>\n<td>180<\/td>\n<td>4:11<\/td>\n<td>-6.48<\/td>\n<td>+0.35<\/td>\n<\/tr>\n<tr>\n<td>\u03bc Tau<\/td>\n<td>60.4<\/td>\n<td>180<\/td>\n<td>4:15<\/td>\n<td>9.12<\/td>\n<td>+0.24<\/td>\n<\/tr>\n<tr>\n<td>\u03bf2 Eri<\/td>\n<td>43.25<\/td>\n<td>180<\/td>\n<td>4:17<\/td>\n<td>-8.03<\/td>\n<td>+0.38<\/td>\n<\/tr>\n<tr>\n<td>\u03b3 Tau<\/td>\n<td>66.8<\/td>\n<td>180<\/td>\n<td>4:21<\/td>\n<td>15.52<\/td>\n<td>-0.10<\/td>\n<\/tr>\n<tr>\n<td>\u03b41 Tau<\/td>\n<td>68.85<\/td>\n<td>180<\/td>\n<td>4:26<\/td>\n<td>17.57<\/td>\n<td>+0.04<\/td>\n<\/tr>\n<tr>\n<td>\u03c53 Eri<\/td>\n<td>17.5<\/td>\n<td>180<\/td>\n<td>4:25<\/td>\n<td>-33.78<\/td>\n<td>+0.24<\/td>\n<\/tr>\n<tr>\n<td>\u03ba1 Tau<\/td>\n<td>73.6<\/td>\n<td>180<\/td>\n<td>4:29<\/td>\n<td>22.32<\/td>\n<td>+0.04<\/td>\n<\/tr>\n<tr>\n<td>\u03c5 Tau<\/td>\n<td>73.75<\/td>\n<td>180<\/td>\n<td>4:30<\/td>\n<td>22.48<\/td>\n<td>-0.32<\/td>\n<\/tr>\n<tr>\n<td>\u03b43 Tau<\/td>\n<td>68.8<\/td>\n<td>180<\/td>\n<td>4:32<\/td>\n<td>17.52<\/td>\n<td>-0.40<\/td>\n<\/tr>\n<tr>\n<td>\u03b81 Tau<\/td>\n<td>67.5<\/td>\n<td>180<\/td>\n<td>4:34<\/td>\n<td>16.22<\/td>\n<td>+0.35<\/td>\n<\/tr>\n<tr>\n<td>\u03b5 Tau<\/td>\n<td>70.2<\/td>\n<td>180<\/td>\n<td>4:34<\/td>\n<td>18.92<\/td>\n<td>-0.25<\/td>\n<\/tr>\n<tr>\n<td>\u03c52 Eri<\/td>\n<td>20.45<\/td>\n<td>180<\/td>\n<td>4:36<\/td>\n<td>-30.83<\/td>\n<td>-0.27<\/td>\n<\/tr>\n<tr>\n<td>\u03bd Eri<\/td>\n<td>48.2<\/td>\n<td>180<\/td>\n<td>4:38<\/td>\n<td>-3.08<\/td>\n<td>+0.27<\/td>\n<\/tr>\n<tr>\n<td>\u03b1 Tau<\/td>\n<td>68.3<\/td>\n<td>180<\/td>\n<td>4:39<\/td>\n<td>17.02<\/td>\n<td>+0.52<\/td>\n<\/tr>\n<tr>\n<td>88 Tau<\/td>\n<td>61.5<\/td>\n<td>180<\/td>\n<td>4:41<\/td>\n<td>10.22<\/td>\n<td>+0.07<\/td>\n<\/tr>\n<tr>\n<td>l Eri<\/td>\n<td>37.4<\/td>\n<td>180<\/td>\n<td>4:42<\/td>\n<td>-13.88<\/td>\n<td>+0.42<\/td>\n<\/tr>\n<tr>\n<td>c Tau<\/td>\n<td>63.55<\/td>\n<td>180<\/td>\n<td>4:43<\/td>\n<td>12.27<\/td>\n<td>-0.23<\/td>\n<\/tr>\n<tr>\n<td>54 Eri<\/td>\n<td>31.35<\/td>\n<td>180<\/td>\n<td>4:45<\/td>\n<td>-19.93<\/td>\n<td>-0.26<\/td>\n<\/tr>\n<tr>\n<td>\u03c4 Tau<\/td>\n<td>73.7<\/td>\n<td>180<\/td>\n<td>4:47<\/td>\n<td>22.42<\/td>\n<td>-0.53<\/td>\n<\/tr>\n<tr>\n<td>\u03c03 Ori<\/td>\n<td>58.35<\/td>\n<td>180<\/td>\n<td>4:49<\/td>\n<td>7.07<\/td>\n<td>+0.12<\/td>\n<\/tr>\n<tr>\n<td>\u03c02 Ori<\/td>\n<td>60.3<\/td>\n<td>180<\/td>\n<td>4:49<\/td>\n<td>9.02<\/td>\n<td>+0.12<\/td>\n<\/tr>\n<tr>\n<td>\u03c04 Ori<\/td>\n<td>57.0<\/td>\n<td>180<\/td>\n<td>4:50<\/td>\n<td>5.72<\/td>\n<td>+0.11<\/td>\n<\/tr>\n<tr>\n<td>\u03c9 Eri<\/td>\n<td>46.3<\/td>\n<td>180<\/td>\n<td>4:50<\/td>\n<td>-4.98<\/td>\n<td>+0.47<\/td>\n<\/tr>\n<tr>\n<td>\u03b1 Cam<\/td>\n<td>61.5<\/td>\n<td>0<\/td>\n<td>4:54<\/td>\n<td>67.22<\/td>\n<td>+0.89<\/td>\n<\/tr>\n<tr>\n<td>\u03bf2 Ori<\/td>\n<td>64.8<\/td>\n<td>180<\/td>\n<td>4:57<\/td>\n<td>13.52<\/td>\n<td>+0.02<\/td>\n<\/tr>\n<tr>\n<td>\u03c05 Ori<\/td>\n<td>53.75<\/td>\n<td>180<\/td>\n<td>4:57<\/td>\n<td>2.47<\/td>\n<td>0.03<\/td>\n<\/tr>\n<tr>\n<td>\u03b2 Cam<\/td>\n<td>68.0<\/td>\n<td>0<\/td>\n<td>4:59<\/td>\n<td>60.72<\/td>\n<td>-0.15<\/td>\n<\/tr>\n<tr>\n<td>\u03b5 Lep<\/td>\n<td>28.0<\/td>\n<td>180<\/td>\n<td>5:00<\/td>\n<td>-23.28<\/td>\n<td>-0.91<\/td>\n<\/tr>\n<tr>\n<td>\u03b2 Eri<\/td>\n<td>46.7<\/td>\n<td>180<\/td>\n<td>5:06<\/td>\n<td>-4.58<\/td>\n<td>+0.50<\/td>\n<\/tr>\n<tr>\n<td>\u03bb Eri<\/td>\n<td>43.0<\/td>\n<td>180<\/td>\n<td>5:07<\/td>\n<td>-8.28<\/td>\n<td>+0.47<\/td>\n<\/tr>\n<tr>\n<td>\u03bc Lep<\/td>\n<td>35.4<\/td>\n<td>180<\/td>\n<td>5:10<\/td>\n<td>-15.88<\/td>\n<td>+0.32<\/td>\n<\/tr>\n<tr>\n<td>\u03b2 Ori<\/td>\n<td>43.4<\/td>\n<td>180<\/td>\n<td>5:11<\/td>\n<td>-7.88<\/td>\n<td>+0.32<\/td>\n<\/tr>\n<tr>\n<td>\u03c4 Ori<\/td>\n<td>44.8<\/td>\n<td>180<\/td>\n<td>5:15<\/td>\n<td>-6.47<\/td>\n<td>-0.36<\/td>\n<\/tr>\n<tr>\n<td>\u03bb Lep<\/td>\n<td>37.8<\/td>\n<td>180<\/td>\n<td>5:17<\/td>\n<td>-13.48<\/td>\n<td>-0.31<\/td>\n<\/tr>\n<tr>\n<td>o Ori<\/td>\n<td>50.9<\/td>\n<td>180<\/td>\n<td>5:20<\/td>\n<td>-0.38<\/td>\n<td>+0.01<\/td>\n<\/tr>\n<tr>\n<td>e Ori<\/td>\n<td>43.8<\/td>\n<td>180<\/td>\n<td>5:22<\/td>\n<td>-7.48<\/td>\n<td>+0.32<\/td>\n<\/tr>\n<tr>\n<td>\u03b3 Ori<\/td>\n<td>57.7<\/td>\n<td>180<\/td>\n<td>5:23<\/td>\n<td>9.72<\/td>\n<td>-0.21<\/td>\n<\/tr>\n<tr>\n<td>\u03b2 Lep<\/td>\n<td>30.5<\/td>\n<td>180<\/td>\n<td>5:25<\/td>\n<td>-20.78<\/td>\n<td>-0.03<\/td>\n<\/tr>\n<tr>\n<td>32 Ori<\/td>\n<td>56.7<\/td>\n<td>180<\/td>\n<td>5:29<\/td>\n<td>5.42<\/td>\n<td>-0.51<\/td>\n<\/tr>\n<tr>\n<td>\u03b4 Ori<\/td>\n<td>50.8<\/td>\n<td>180<\/td>\n<td>5:31<\/td>\n<td>-0.48<\/td>\n<td>-0.20<\/td>\n<\/tr>\n<tr>\n<td>\u03c61 Ori<\/td>\n<td>60.8<\/td>\n<td>180<\/td>\n<td>5:35<\/td>\n<td>9.52<\/td>\n<td>+0.03<\/td>\n<\/tr>\n<tr>\n<td>\u03bb Ori<\/td>\n<td>61.0<\/td>\n<td>180<\/td>\n<td>5:35<\/td>\n<td>9.72<\/td>\n<td>-0.21<\/td>\n<\/tr>\n<tr>\n<td>\u03b9 Ori<\/td>\n<td>45.6<\/td>\n<td>180<\/td>\n<td>5:36<\/td>\n<td>5.68<\/td>\n<td>+0.22<\/td>\n<\/tr>\n<tr>\n<td>\u03b8 Ori<\/td>\n<td>46.1<\/td>\n<td>180<\/td>\n<td>5:36<\/td>\n<td>-5.18<\/td>\n<td>+0.24<\/td>\n<\/tr>\n<tr>\n<td>c Ori<\/td>\n<td>46.8<\/td>\n<td>180<\/td>\n<td>5:37<\/td>\n<td>-4.48<\/td>\n<td>+0.36<\/td>\n<\/tr>\n<tr>\n<td>\u03b5 Ori<\/td>\n<td>50.0<\/td>\n<td>180<\/td>\n<td>5:38<\/td>\n<td>-1.28<\/td>\n<td>-0.08<\/td>\n<\/tr>\n<tr>\n<td>\u03c62 Ori<\/td>\n<td>60.6<\/td>\n<td>180<\/td>\n<td>5:38<\/td>\n<td>9.32<\/td>\n<td>+0.03<\/td>\n<\/tr>\n<tr>\n<td>\u03b6 Tau<\/td>\n<td>72.4<\/td>\n<td>180<\/td>\n<td>5:39<\/td>\n<td>21.12<\/td>\n<td>-0.01<\/td>\n<\/tr>\n<tr>\n<td>\u03b1 Col<\/td>\n<td>17.3<\/td>\n<td>180<\/td>\n<td>5:40<\/td>\n<td>-33.98<\/td>\n<td>+0.09<\/td>\n<\/tr>\n<tr>\n<td>\u03b6 Ori<\/td>\n<td>49.55<\/td>\n<td>180<\/td>\n<td>5:42<\/td>\n<td>-1.73<\/td>\n<td>+0.17<\/td>\n<\/tr>\n<tr>\n<td>\u03b3\u00a0Lep<\/td>\n<td>29.1<\/td>\n<td>180<\/td>\n<td>5:45<\/td>\n<td>-20.78<\/td>\n<td>+0.09<\/td>\n<\/tr>\n<tr>\n<td>\u03b6 Lep<\/td>\n<td>36.4<\/td>\n<td>180<\/td>\n<td>5:46<\/td>\n<td>-14.88<\/td>\n<td>-0.06<\/td>\n<\/tr>\n<tr>\n<td>\u03b2 Col<\/td>\n<td>15.6<\/td>\n<td>180<\/td>\n<td>5:47<\/td>\n<td>-35.68<\/td>\n<td>+0.09<\/td>\n<\/tr>\n<tr>\n<td>\u03ba Ori<\/td>\n<td>41.8<\/td>\n<td>180<\/td>\n<td>5:48<\/td>\n<td>-9.48<\/td>\n<td>+0.19<\/td>\n<\/tr>\n<tr>\n<td>\u03b4 Lep<\/td>\n<td>30.5<\/td>\n<td>180<\/td>\n<td>5:50<\/td>\n<td>-20.78<\/td>\n<td>+0.09<\/td>\n<\/tr>\n<tr>\n<td>\u03b1 Ori<\/td>\n<td>58.8<\/td>\n<td>180<\/td>\n<td>5:52<\/td>\n<td>7.52<\/td>\n<td>+0.12<\/td>\n<\/tr>\n<tr>\n<td>\u03b7 Lep<\/td>\n<td>37.3<\/td>\n<td>180<\/td>\n<td>5:54<\/td>\n<td>-13.98<\/td>\n<td>+0.19<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td style=\"text-align: right;\"><strong>Average<\/strong><\/td>\n<td>+0.07<\/td>\n<\/tr>\n<tr>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td><\/td>\n<td style=\"text-align: right;\"><strong>StDev<\/strong><\/td>\n<td>0.31<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>As noted above, this was by far our most productive evening. To drive the point home, here&#8217;s the plot that the program I&#8217;ve written put together<span id='easy-footnote-3-1236' class='easy-footnote-margin-adjust'><\/span><span class='easy-footnote'><a href='https:\/\/jonvoisey.net\/blog\/2019\/01\/data-stellar-quadrant-observations-1-4-19\/#easy-footnote-bottom-3-1236' title='Keep in mind that this plot is flipped horizontally as compared to how it would be viewed from Earth. It&amp;#8217;s also highly distorted, so don&amp;#8217;t bother trying to pick out the constellations.'><sup>3<\/sup><\/a><\/span>:<\/p>\n<p><a href=\"https:\/\/i0.wp.com\/jonvoisey.net\/blog\/wp-content\/uploads\/2019\/01\/1-4-19-plot.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-medium wp-image-1238\" src=\"https:\/\/i0.wp.com\/jonvoisey.net\/blog\/wp-content\/uploads\/2019\/01\/1-4-19-plot.png?resize=300%2C193&#038;ssl=1\" alt=\"\" width=\"300\" height=\"193\" srcset=\"https:\/\/i0.wp.com\/jonvoisey.net\/blog\/wp-content\/uploads\/2019\/01\/1-4-19-plot.png?resize=300%2C193&amp;ssl=1 300w, https:\/\/i0.wp.com\/jonvoisey.net\/blog\/wp-content\/uploads\/2019\/01\/1-4-19-plot.png?w=700&amp;ssl=1 700w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p>All the data we&#8217;d collected previously is on the right whereas last night&#8217;s data is the dense section on the left, with the large gap in between the few months of observing that were missed due to weather and illnesses.<\/p>\n<p>And on top of the prodigious number of observations we accumulated, the accuracy was exceptionally good as well with the declination averaging just 0.07\u00ba off with a standard deviation of 0.31\u00ba. This is significantly better than previous observing nights on the data quality standpoint as well.<\/p>\n<p>As previously noted, 16 of these stars were not ones that were on <a href=\"https:\/\/jonvoisey.net\/blog\/2018\/07\/observing-program\/\">observing list<\/a>. But Padraig consistently finds stars that are a bit fainter than what I set out to target. Previously, I&#8217;ve had my laptop with Stellarium with me so we could try to figure out what it was before making the measurements, but this time, we simply drew directly on the star charts I&#8217;d printed, numbering them to determine later. This allowed us to make numerous observations much more rapidly, so as not to worry about identification first, hence how we were able to get multiple observations within a single minute sometimes. This may become the new methodology as it worked extremely well.<\/p>\n<hr \/>\n","protected":false},"excerpt":{"rendered":"<p>Last night was a nearly new moon. The temperature was uncommonly warm for this time of year but that didn&#8217;t end up disturbing the seeing too much as we had an exceptionally good night for observing. Combined with a rich field of stars in Taurus and Orion passing during the evening and Padraig and I &hellip; <\/p>\n<p class=\"link-more\"><a href=\"https:\/\/jonvoisey.net\/blog\/2019\/01\/data-stellar-quadrant-observations-1-4-19\/\" class=\"more-link\">Continue reading<span class=\"screen-reader-text\"> &#8220;Data: Stellar Quadrant Observations &#8211; 1\/4\/19&#8221;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[33],"tags":[22],"class_list":["post-1236","post","type-post","status-publish","format-standard","hentry","category-data","tag-quadrant"],"acf":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p9ZpvC-jW","_links":{"self":[{"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/posts\/1236","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/comments?post=1236"}],"version-history":[{"count":6,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/posts\/1236\/revisions"}],"predecessor-version":[{"id":1508,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/posts\/1236\/revisions\/1508"}],"wp:attachment":[{"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/media?parent=1236"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/categories?post=1236"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jonvoisey.net\/blog\/wp-json\/wp\/v2\/tags?post=1236"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}