The archive contains more than 250.000 frames. Data are stored in CD-ROMs, in date order. The real data will be shortly available throught the archive interface, now can be asked to Ale . We collect also the logbooks, but our collection is incomplete. To get loogbook informations, please ask Ale .
Numeric field asks for an exact match.
The specified strings cannot contain wildcards or special characters. The search is performed as a logical AND between all non-blank fields. All digit are numeric, but the field is treated as a string. Can contain many forms and nicknames. On other telscopes the name of source is usually typed in by observer.