Invocation of instrument location service

The workflow concept is below. Current workflow is proof of concept and works for default event.1. The initial query is to the stereo_hi_sw_transient list in a particular time range. From this catalogue we extract the longitude of the source of the transient, the longitude error, the start time (launch time of the transient) and the estimated time of arrival. The time of the event is then passed to the HELIO Instrument Location Service (ILS) to extract the Heliocentric Earth Equatorial longit...