Query in the form: "ra dec radius[optional]"
RA and dec can be provided in decimal degrees or in sexagesimal. These are the expected formats:
162.329000 -53.319400
10:49:18.91 -53:19:10
An optional third field can be provided to modify the default search radius of 10 arcseconds. For example,
10:49:18.91 -53:19:10 30
performs a 30 arcsecond search around the provided coordinate.