Visibility Contours of the Sun and Moon

版本 1.0.0 (523.4 KB) 作者: David Eagle
Create graphic visibility contours of the Sun and Moon at a user-specified calendar date and time.
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更新时间 2025/7/22

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This MATLAB script, vcontour, can be used to display a visibility contour of the Sun or Moon at a user specified calendar date and time. The contour is displayed on a Mercator map of the world along with the sub-point of the celestial body.
User interaction with the script
The following is a typical user interaction with the vcontour script. The software requires a calendar date and UTC time along with the celestial body of interest. The relationship between Coordinated Universal Time, UTC, and local civil time, LCT, is given by UTC = LCT - DST + ZONE where LCTis the local civil time in 24 hour format, DST is the Daylight Savings Time status (0 = no, 1 = yes) and ZONE is the user’s time zone.
vcontour visibility contour of the sun and moon
=================================================
please input the calendar date
(1 <= month <= 12, 1 <= day <= 31, year = all digits!)
? 7,22,2025
please input the utc time
(0 <= hours <= 24, 0 <= minutes <= 60, 0 <= seconds <= 60)
? 9,0,0
celestial body selection
1 = sun
2 = moon
? 1

引用格式

David Eagle (2025). Visibility Contours of the Sun and Moon (https://ww2.mathworks.cn/matlabcentral/fileexchange/181570-visibility-contours-of-the-sun-and-moon), MATLAB Central File Exchange. 检索时间: .

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创建方式 R2025a
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版本 已发布 发行说明
1.0.0