Additions:
{{image url="http://www.clearskyinstitute.com/xephemdrop.png"}}[[http://www.clearskyinstitute.com/xephem/ XEphem]] astronomy
Deletions:
{{image url+""http://www.clearskyinstitute.com/xephemdrop.png""}}[[http://www.clearskyinstitute.com/xephem/ XEphem]] astronomy