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//
// Name: Occultations of bright stars by planets
// Author: Alexander Wolf
// License: Public Domain
// Version: 1.1
// Shortcut: Ctrl+D,M,3
// Description: This script demonstrates interesting phenomena - occultations bright stars by planets, 2000 to 2040.
//
// Made on Stellarium 0.18.2; Translatable with 0.19.0
include("i18n.inc");
// List of phenomena (date, begin time, end time, star, latitude, longitude)
var phenomenalist = [["2006-01-12", "06:00", "07:10", "55 Sgr", 5, 25],
["2008-02-13", "21:20", "23:40", "32 Sgr", -40, 122],
["2008-02-26", "17:50", "18:20", "19 Cap", -72, 160],
["2009-04-01", "23:20", "24:20", "32 Psc", -56, -109],
["2009-08-03", "22:00", "26:00", "45 Cap", 7, -70],
["2013-06-05", "09:15", "09:40", "5 Gem", 40, 80],
["2013-07-31", "14:00", "14:30", "SAO 78816", -66, -155],
["2014-04-16", "17:40", "18:20", "73 Aqr", 4, 180],
["2015-10-18", "19:00", "19:50", "63 Leo", 36, 140],
["2017-12-09", "05:20", "05:50", "9 Oph", -51, -70],
["2021-04-02", "08:00", "10:50", "44 Cap", -51, -70],
["2021-10-26", "14:20", "15:20", "36 Oph", -85, -76],
["2027-05-13", "07:40", "08:15", "110 Psc", 70, -8],
["2028-07-24", "16:00", "17:00", "104 Tau", 40, 122],
["2031-12-24", "17:10", "17:40", "32 Lib", 65, -90],
["2032-04-07", "03:40", "08:50", "105 Tau", 65, -90],
["2032-05-29", "01:40", "02:10", "53 Tau", -80, -170],
["2034-01-31", "10:20", "10:50", "32 Cap", 69, 110],
["2035-02-17", "15:00", "15:40", "41 Sgr", -85, 140],
["2035-03-12", "04:30", "05:15", "SAO 187080", 21, 46],
["2038-11-18", "15:40", "16:20", "10 Sco", -67, 33]
];
var timerate = core.getTimeRate();
var color = "#00AAFF";
var today = core.getJDay();
var rss = StelSkyDrawer.getRelativeStarScale();
core.clear("starchart");
ConstellationMgr.setFlagBoundaries(false);
ConstellationMgr.setFlagLines(false);
ConstellationMgr.setFlagLabels(false);
GridLinesMgr.setFlagGridlines(false);
NebulaMgr.setFlagHints(false);
StelMovementMgr.setEquatorialMount(true);
core.setGuiVisible(false);
var id = LabelMgr.labelScreen(tr("Occultations of bright stars by planets"), 20, 20, false, 36, color);
LabelMgr.setLabelShow(id, true);
var ph = LabelMgr.labelScreen(phenomenalist.length + " " + tr("phenomena in all"), 20, 65, false, 28, color);
LabelMgr.setLabelShow(ph, true);
core.wait(2);
StelSkyDrawer.setRelativeStarScale(0.5);
var deltaT = core.getDeltaTAlgorithm();
core.setDeltaTAlgorithm("EspenakMeeus");
for (i=0; i<phenomenalist.length; i++)
{
var d = phenomenalist[i][0];
var en = LabelMgr.labelScreen(tr("Event #") + (i+1), 20, 130, false, 20, color);
var ed = LabelMgr.labelScreen(tr("Date:") + " " + d, 20, 155, false, 20, color);
LabelMgr.setLabelShow(en, true);
LabelMgr.setLabelShow(ed, true);
var demoBegin = d + "T" + phenomenalist[i][1] + ":00";
var demoEnd = d + "T" + phenomenalist[i][2] + ":00";
core.setObserverLocation(phenomenalist[i][5], phenomenalist[i][4], 1, 1, "", "Earth");
core.setDate(demoBegin, "utc", true);
core.selectObjectByName(phenomenalist[i][3], false);
StelMovementMgr.setFlagTracking(true);
StelMovementMgr.zoomTo(0.05, 3);
core.wait(3);
core.setTimeRate(250);
core.waitFor(demoEnd);
LabelMgr.setLabelShow(en, false);
LabelMgr.setLabelShow(ed, false);
core.setTimeRate(timerate);
core.wait(2);
}
LabelMgr.setLabelShow(id, false);
LabelMgr.setLabelShow(ph, false);
StelSkyDrawer.setRelativeStarScale(rss);
core.clear("natural");
core.setGuiVisible(true);
core.setDeltaTAlgorithm(deltaT);
core.setJDay(today);
core.goHome();
StelMovementMgr.lookSouth(true);
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