SingleSeriesSelectionDialog seriesDlg = new SingleSeriesSelectionDialog(
model);
if (!seriesDlg.isCancelled()) {
// Get the mean magnitude.
SeriesType series = seriesDlg.getSeries();
List<ValidObservation> obs = seriesInfo.getObservations(series);
// TODO: how should this be computed? B-V or arithmetic mean as
// below?
magnitude = DescStats.calcMagMeanInRange(obs,
JDTimeElementEntity.instance, 0, obs.size() - 1)[DescStats.MEAN_MAG_INDEX];