({{, (RefLink[CelestialSystem, paclet:ref/CelestialSystem]) 
is an option for (RefLink[SunPosition, paclet:ref/SunPosition]), (RefLink[MoonPosition, paclet:ref/MoonPosition]), and related functions that specifies the coordinate system to use for the results.}})

OpenersNotesSection(Spacer1)Details

Typical settings for (RefLink[CelestialSystem, paclet:ref/CelestialSystem]) include:

The typical default setting for (RefLink[CelestialSystem, paclet:ref/CelestialSystem]) is "Horizon".

OpenersPrimaryExamplesSection(Spacer1)Examples  (1)

OpenersExampleSection0(Spacer1)Basic Examples  (1)

Specify that the results should be in equatorial coordinates:

SunPosition[CelestialSystem->"Equatorial"]

MoonPosition[CelestialSystem->"Equatorial"]

Specify that the results should be in horizon coordinates:

SunPosition[CelestialSystem->"Horizon"]

MoonPosition[CelestialSystem->"Horizon"]

({{DocumentationFooterIconsRelatedFunction.png, ({{See Also}, {(RefLink[SunPosition, paclet:ref/SunPosition])  ▪  (RefLink[MoonPosition, paclet:ref/MoonPosition])}})}})