Marcuz ® 30-Aug-2020 03:06

Altitude and Azimuth Calculation


Year: 20??
Developer: UNKNOWN
Platform: Windows
System Requirements: Microsoft Excel 2017 higher
Localization: english
Crack: Not needed
Description: After having collected all the data : estimated latitude and longitude, declination / local hour angle of the observed celestial bodies (stars, sun, moon and planets ) and sextant reading (altitude) ... we must calculate at least four data. We’ll use these to plot lines of position (LOP) on a nautical chart, plotting work sheet, or a simple graph paper to determine the position of the ship.
The data we need are : true altitude, LHA/declination, computed (estimated) altitude and azimuth
We can use this simple excel file to verify (or avoid) the manual calculations !
The file consists of four worksheet.
To prevent damages in cells containing formulae the worksheets are protected and cells are locked, we may use the unlocked cells only (green background).
When we open Excel, Excel automatically selects “Corrections to a sextant observer. “. for us. (The name of the worksheet appears on its sheet tab at the bottom of our document window.)

Screenshots

Nautical_Astronomy_for_web.xlsx

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