{"id":169,"date":"2026-01-09T00:52:32","date_gmt":"2026-01-08T15:52:32","guid":{"rendered":"https:\/\/blog.minminmi.net\/?p=169"},"modified":"2026-01-09T00:52:32","modified_gmt":"2026-01-08T15:52:32","slug":"%e3%80%90%e5%82%99%e5%bf%98%e9%8c%b2%e3%80%91stellarium%e3%81%a7%e6%9c%a8%e6%98%9f%e3%81%ae%e5%a4%a7%e8%b5%a4%e6%96%91%e3%81%ae%e4%bd%8d%e7%bd%ae%e3%82%92%e3%81%a0%e3%81%84%e3%81%9f%e3%81%84%e5%90%88","status":"publish","type":"post","link":"https:\/\/blog.minminmi.net\/?p=169","title":{"rendered":"\u3010\u5099\u5fd8\u9332\u3011Stellarium\u3067\u6728\u661f\u306e\u5927\u8d64\u6591\u306e\u4f4d\u7f6e\u3092\u3060\u3044\u305f\u3044\u5408\u308f\u305b\u308b"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u203b\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\u306f2023\u5e7411\u67081\u65e5 21\u6642\u53f0(JST)\u306b\u5f53\u65b9\u304c\u64ae\u5f71\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u8fd1\u306e\u753b\u50cf\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002<br>\u660e\u65e5\u30012026\u5e741\u670810\u65e5\u306f\u6728\u661f\u306e\u885d\u3067\u3059\u3002<br>\u885d\u306e\u6642\u671f\u306f\u6728\u661f\u304c\u4e00\u6669\u4e2d\u898b\u3048\u3066\u3044\u308b\u6642\u671f\u3067\u3059\u3002\u51ac\u3067\u30b7\u30fc\u30a4\u30f3\u30b0\u306f\u3042\u307e\u308a\u3088\u304f\u306a\u3044\u3067\u3059\u304c\u3001\u660e\u308b\u304f\u76ee\u7acb\u3064\u6728\u661f\u306e\u89b3\u6e2c\u3092\u3057\u3066\u307f\u308b\u306e\u306f\u3044\u304b\u304c\u3067\u3057\u3087\u3046\u304b\u3002<br>\u6728\u661f\u306e\u89b3\u6e2c\u3067\u3084\u306f\u308a\u30c1\u30a7\u30c3\u30af\u3057\u305f\u3044\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u5927\u8d64\u6591\u304c\u898b\u3048\u3066\u3044\u308b\u304b\u5426\u304b\u306f\u5927\u304d\u3044\u306e\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\u3002\u5927\u8d64\u6591\u306e\u4f4d\u7f6e\u306f\u65e5\u3005\u5fae\u5999\u306b\u5909\u308f\u3063\u3066\u3044\u3066\u4fee\u6b63\u3092\u884c\u3046\u3053\u3068\u3067\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u306e\u30d7\u30e9\u30cd\u30bf\u30ea\u30a6\u30e0\u30bd\u30d5\u30c8Stellarium\u3067\u3082\u5408\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br><br>\u53c2\u8003\uff1a<br><a href=\"https:\/\/www.astroarts.co.jp\/special\/2026jupiter\/index-j.shtml\">https:\/\/www.astroarts.co.jp\/special\/2026jupiter\/index-j.shtml<\/a><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u8a2d\u5b9a\u753b\u9762\u307e\u3067\u306e\u624b\u9806<\/h2>\n\n\n\n<ol class=\"wp-block-list\">\n<li>\u300c\u7a7a\u3068\u8868\u793a\u306e\u8a2d\u5b9a\u300d\u3092\u958b\u304f<br><img decoding=\"async\" style=\"width: 800px;\" src=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-16.png\" alt=\"\"><\/li>\n\n\n\n<li>\u300c\u592a\u967d\u7cfb\u5929\u4f53\u300d\u2192\u300c\u5927\u8d64\u6591\u306e\u8a73\u7d30\u8a2d\u5b9a\u300d\u3092\u30af\u30ea\u30c3\u30af<br><img decoding=\"async\" style=\"width: 800px;\" src=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-18.png\" alt=\"\"><\/li>\n\n\n\n<li>\u300c\u6700\u65b0\u306e\u89b3\u6e2c\u7d50\u679c\u3092\u898b\u308b\u300d\u3092\u30af\u30ea\u30c3\u30af<br><img decoding=\"async\" style=\"width: 800px;\" src=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-20.png\" alt=\"\"><br>\u3053\u306e\u7b87\u6240\u3067\u306f\u307e\u308a\u307e\u3057\u305f\u3002JUPOS\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u5927\u8d64\u6591\u7d4c\u5ea6\u306e\u89b3\u6e2c\u7d50\u679c\u30b0\u30e9\u30d5\u304c\u8a18\u8f09\u3055\u308c\u3066\u3044\u308b\u30da\u30fc\u30b8\u304c\u958b\u304f\u306e\u3067\u3059\u304c\u3001\u5165\u529b\u3059\u3079\u304d\u6570\u5024\u5024\u304c\u306a\u3044\u306e\u3067\u3059\u3002<br><a href=\"https:\/\/jupos.hier-im-netz.de\/rGrs.htm\">https:\/\/jupos.hier-im-netz.de\/rGrs.htm<\/a><br><\/li>\n<\/ol>\n\n\n\n<h2 class=\"wp-block-heading\">\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n\n\n\n<p>GPT5.2\u3092\u5229\u7528\u3057\u3066\u3044\u304f\u3064\u304b\u306e\u65b9\u6cd5\u3092\u8abf\u3079\u305f\u3068\u3053\u308d\u3001\u4e0b\u8a18\u306e\u30b5\u30a4\u30c8\u3092\u5229\u7528\u3057\u3066\u3001\u6307\u5b9a\u3057\u305f\u6642\u523b\u306e\u5927\u8d64\u6591\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3059\u308b\u3053\u3068\u306b\u3057\u307e\u3057\u305f\u3002<br><a href=\"https:\/\/ssp.imcce.fr\/webservices\/vo-tools\/jgrs\/\">https:\/\/ssp.imcce.fr\/webservices\/vo-tools\/jgrs\/<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u5927\u8d64\u6591\u306e\u7d4c\u5ea6\u3092\u53d6\u5f97<\/h3>\n\n\n\n<p>\u9069\u5f53\u306aLinux\u74b0\u5883\u306a\u3069crul\u30b3\u30de\u30f3\u30c9\u3068jq\u30b3\u30de\u30f3\u30c9\u304c\u4f7f\u3048\u308b\u74b0\u5883\u3067\u4e0b\u8a18\u306e\u30b3\u30de\u30f3\u30c9\u3092\u5b9f\u884c\u3057\u3001\u5927\u8d64\u6591\u306e\u7d4c\u5ea6\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>$ curl --silent \"https:\/\/ssp.imcce.fr\/webservices\/vo-tools\/jgrs\/ephemeris\/2026-01-08T00%3A0%3A0\" | jq\n'.data&#91;] | .\"GRS long\"'\n86.73240756797799<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u4f8b\u3067\u306f\u30012026-01-08 00:00:00\u306e\u5927\u8d64\u6591\u306e\u4f4d\u7f6e\u3092\u53d6\u5f97\u3057\u3066\u3044\u307e\u3059\u3002<br>\u3053\u306e\u7d50\u679c\u304b\u3089\u3001Stellarium\u306e\u8a2d\u5b9a\u753b\u9762\u306b\u3042\u308b\u300c\u5927\u8d64\u6591\u306e\u7d4c\u5ea6\u300d\u3068\u300c\u5143\u671f(UTC)\u300d\u306e\u5165\u529b\u5024\u306f\u300c87\u5ea6\u300d\u3068\u300c2026-01-08 00:00\u300d\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u4e00\u5e74\u306e\u7d4c\u5ea6\u5909\u5316\u306e\u8a08\u7b97<\/h3>\n\n\n\n<p>\u5148\u307b\u3069\u306e\u30b5\u30a4\u30c8\u3092\u4f7f\u3044\u3001\u4e00\u5e74\u306e\u7d4c\u5ea6\u5909\u5316\u306e\u5024\u3082\u8a08\u7b97\u3057\u307e\u3059\u3002<br>Python\u304c\u4f7f\u3048\u308b\u74b0\u5883\uff08Jupyter Notebook\u306a\u3069\u304c\u3042\u308c\u3070\u826f\u3044\u3067\u3059\uff09\u3092\u5229\u7528\u3057\u3066\u3001\u5165\u529b\u5024\u3092\u53d6\u5f97\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>wsl:~$ python -m venv tempvenv\nwsl:~$ . tempvenv\/bin\/activate\n(tempvenv) wsl:~$ pip install requests\n(tempvenv) wsl:~$ python\nPython 3.11.14 (main, Dec 12 2025, 10:53:30) &#91;GCC 13.3.0] on linux\nType \"help\", \"copyright\", \"credits\" or \"license\" for more information.\n>>> \nimport requests\n\ndef grs_long(iso):\n    # iso\u4f8b: \"2026-01-08T00:0:0\"\n    url = \"https:\/\/ssp.imcce.fr\/webservices\/vo-tools\/jgrs\/ephemeris\/\" + iso.replace(\":\", \"%3A\")\n    j = requests.get(url, timeout=30).json()\n    return j&#91;\"data\"]&#91;0]&#91;\"GRS long\"]\n\nL0 = grs_long(\"2025-01-08T00:0:0\")\nL1 = grs_long(\"2026-01-08T00:0:0\")\n\n# 360\u5ea6\u307e\u305f\u304e\u3092 -180..+180 \u306b\u6298\u308a\u8fd4\u3057\ndelta = ((L1 - L0 + 180) % 360) - 180\ndrift_deg_per_year = delta\n\nprint(\"L0=\", L0, \"drift=\", drift_deg_per_year)\n\n\n\n<strong>L0= 68.42920783460764 drift= 18.30319973337035\n<\/strong><\/code><\/pre>\n\n\n\n<p>\u6700\u7d42\u7684\u306b\u5165\u529b\u3057\u305f\u5024\u306f\u4ee5\u4e0b\u306e\u5024\u306b\u306a\u308a\u307e\u3057\u305f\u3002<br><img loading=\"lazy\" decoding=\"async\" width=\"337\" height=\"237\" class=\"wp-image-183\" style=\"\" src=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-24.png\" alt=\"\" srcset=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-24.png 337w, https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-24-300x211.png 300w\" sizes=\"auto, (max-width: 337px) 100vw, 337px\" \/><\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u7b54\u3048\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u65e5\u672c\u306e\u7d99\u7d9a\u7684\u306b\u592a\u967d\u7cfb\u60d1\u661f\u3092\u89b3\u6e2c\u3057\u3066\u3044\u308b\u30b3\u30df\u30e5\u30cb\u30c6\u30a3\u300c\u6708\u60d1\u661f\u7814\u7a76\u4f1a ALPO-Japan\u300d\u3055\u3093\u306e\u30da\u30fc\u30b8\u306b\u3042\u308b\u76f4\u8fd1\u306e\u89b3\u6e2c\u5199\u771f\u3068\u898b\u6bd4\u3079\u3066\u5927\u8d64\u6591\u306e\u4f4d\u7f6e\u304c\u307b\u307c\u5408\u3063\u3066\u3044\u308b\u4e8b\u3092\u78ba\u8a8d\u3057\u307e\u3057\u305f\u3002<br><img loading=\"lazy\" decoding=\"async\" width=\"800\" height=\"671\" class=\"wp-image-185\" style=\"width: 800px;\" src=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-25.png\" alt=\"\" srcset=\"https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-25.png 1312w, https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-25-300x252.png 300w, https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-25-768x644.png 768w, https:\/\/blog.minminmi.net\/wp-content\/uploads\/2026\/01\/image-25-1024x859.png 1024w\" sizes=\"auto, (max-width: 800px) 100vw, 800px\" \/><\/p>\n\n\n\n<p><br>\u25a0\u30c8\u30c3\u30d7\u30da\u30fc\u30b8<br><a href=\"https:\/\/alpo-j.sakura.ne.jp\/index.htm\">https:\/\/alpo-j.sakura.ne.jp\/index.htm<\/a><br>\u25a0\u6bd4\u8f03\u5bfe\u8c61\u3068\u3057\u305f\u30da\u30fc\u30b8<br><a href=\"https:\/\/alpo-j.sakura.ne.jp\/kk26\/j260107z.htm\">https:\/\/alpo-j.sakura.ne.jp\/kk26\/j260107z.htm<\/a><br><br><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u306f\u3058\u3081\u306b \u203b\u30a2\u30a4\u30ad\u30e3\u30c3\u30c1\u753b\u50cf\u306f2023\u5e7411\u67081\u65e5 21\u6642\u53f0(JST)\u306b\u5f53\u65b9\u304c\u64ae\u5f71\u3057\u305f\u3082\u306e\u3067\u3059\u3002\u6700\u8fd1\u306e\u753b\u50cf\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u660e\u65e5\u30012026\u5e741\u670810\u65e5\u306f\u6728\u661f\u306e\u885d\u3067\u3059\u3002\u885d\u306e\u6642\u671f\u306f\u6728\u661f\u304c\u4e00\u6669\u4e2d\u898b\u3048\u3066\u3044\u308b\u6642\u671f\u3067\u3059\u3002\u51ac\u3067\u30b7\u30fc\u30a4\u30f3\u30b0 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":186,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11],"tags":[],"class_list":["post-169","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-11"],"_links":{"self":[{"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/posts\/169","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=169"}],"version-history":[{"count":2,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions"}],"predecessor-version":[{"id":187,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/posts\/169\/revisions\/187"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=\/wp\/v2\/media\/186"}],"wp:attachment":[{"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=169"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=169"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.minminmi.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=169"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}