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Home > Astronomy > Equatorial to Horizontal Coordinates Converter

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Equatorial to Horizontal Coordinates Converter

Equatorial Geocentric Coordinates (J2000 JNow)
	Hour	Minute	Second
Right Ascension	h	m	s
	Degree	Minute	Second
Declination	°	'	"

Date and Time in Coordinated Universal Time (UTC)
	Day	Month	Year
Date
	Hour	Minute	Second
Time	h	m	s

Coordinates of the Observer
Latitude	° '
Longitude	° '
The [Lat/Lon DMS<->DD Converter] can help you entering the geographic coordinates of the viewing location.

Horizontal Geocentric Coordinates		(with refraction)
Altitude
Azimuth

Horizontal Topocentric Coordinates		(stars)
Altitude (with refraction)
Azimuth

Julian Date
Mean Greenwich Sidereal Time

Local Sidereal Time

Last page update on May 3, 2004.
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