When the data are dependent for their values on a particular coordinate method, the day of that coordinate procedure ought to be specified immediately or indirectly.(Sometimes the phrase 'equinox' may very well be used by itself, e.g. the place it is obvious from your context to end users of the info in which variety the considered astronomical var
Epoch (geology), a span of time to the geologic time scale shorter than the usual interval and for a longer time than an ageSo, some stellar positions read from the star atlas or catalog for a sufficiently previous epoch involve correct movement corrections likewise, for reasonable accuracy.The IAU constellation boundaries are outlined inside the e
When the data are dependent for his or her values on a selected coordinate process, the date of that coordinate program should be specified immediately or indirectly.When the information are dependent for his or her values on a selected coordinate process, the date of that coordinate system should be specified specifically or indirectly.In the part