azel_to_hadec
- ska_sdp_func_python.util.coordinate_support.azel_to_hadec(az, el, latitude)[source]
Converting Az El to HA Dec.
TMS Appendix 4.1
\[sindec = sinlat sinel + coslat cosel cosaz cosdec cosha = coslat sinel - sinlat cosel cosaz cosdec sinha = -cosel sinaz\]- Parameters:
az – Azimuth (radians)
el – Elevation (radians)
latitude – Site latitude (radians)
- Returns:
ha, dec