this.getProgressNotifier().notifyListeners(ProgressInfo.BUSY_PROGRESS);
NewStarFromObSourcePluginWithSuppliedURLTask task = new NewStarFromObSourcePluginWithSuppliedURLTask(
obSourcePlugin, url, isAdditive);
this.currTask = task;
task.execute();
}
/**
* Create observation artefacts (models, GUI elements) on the assumption
* that a valid observation list and category map have already been created.