func ExampleTopocentric2() {
// Example 40.a, p. 280
Δα, Δδ := parallax.Topocentric2(339.530208*math.Pi/180,
-15.771083*math.Pi/180,
.37276, .546861, .836339,
base.NewHourAngle(false, 7, 47, 27).Rad(),
julian.CalendarGregorianToJD(2003, 8, 28+(3+17./60)/24))
fmt.Printf("Δα = %.2f sec of RA\n", Δα*180/math.Pi*60*60/15)
fmt.Printf("Δδ = %.1f sec\n", Δδ*180/math.Pi*60*60)
// Output:
// Δα = 1.29 sec of RA
// Δδ = -14.1 sec
}
func ExampleTopocentric2() {
// Example 40.a, p. 280
Δα, Δδ := parallax.Topocentric2(
unit.RAFromDeg(339.530208),
unit.AngleFromDeg(-15.771083),
.37276, .546861, .836339,
unit.Angle(unit.NewHourAngle(' ', 7, 47, 27)),
julian.CalendarGregorianToJD(2003, 8, 28+
unit.NewTime(' ', 3, 17, 0).Day()))
fmt.Printf("Δα = %.2s (sec of RA)\n", sexa.FmtHourAngle(Δα))
fmt.Printf("Δδ = %.1s (sec of Dec)\n", sexa.FmtAngle(Δδ))
// Output:
// Δα = 1.29ˢ (sec of RA)
// Δδ = -14.1″ (sec of Dec)
}