Function toDays

docs/app/js/sanddance-app.js:95808–95810

(timestamp)

    return timestamp / DAY_IN_MS - 0.5 + JD1970;
}
function toDays(timestamp) {
    return toJulianDay(timestamp) - JD2000;
}
function getRightAscension(eclipticLongitude, b) {
    var lambda = eclipticLongitude;
    return Math.atan2(Math.sin(lambda) * Math.cos(e) - Math.tan(b) * Math.sin(e), Math.cos(lambda));