as.ecc: Convert between different coordinate systems
In moonsun: Basic astronomical calculations with R

Description Usage Arguments Value Author(s) Examples

The function converts data between equatorial, ecliptic and horizontal coordinates.

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as.ecc(x)
as.eqc(x,time=lst(),phi=getOption("latitude")) 
as.hoc(x,time=lst(),phi=getOption("latitude"))

`x`	An object of class eqc,ecc or hoc.
`time`	Local Sidereal Time - the LST at the moment by default.
`phi`	Latitude of the observer - taken from options by default.

An converted object of desired class.

Lukasz Komsta

options(latitude=51,longitude=22)
data(bright)
plot(as.hoc(bright))
plot(as.hoc(bright,time=lst(hour=0)))
plot(as.ecc(bright))
plot(as.hoc(planets()))