Details on Acronym:   IDS
  
IDS   = (USNO)  (Index catalog of Double *)
 Write:<<IDS  HHMMm+DDMMAAAA>>  N=about 64000
Object:**  (SIMBAD class: ** = Double or multiple star)
  Note:Format: 1900 coord.
 Also found in the literature with the formats HHMM.mNDDMMA and HHMM.mSDDMMA instead of '+' and '-'.
 Superseded by WDS. See also PMSC.
   Ref:=1963IDS...C......0J
     byJEFFERS H.M.
, VAN DEN BOS W.H., GREEBY F.M.
 Publ. Lick Obs. 21,part 1,1963, 0 (1963)

    Index catalogue of visual double stars, 1961.0.

opart 1 (263pp) + part part 2 (804pp).
o<IDS HHMMm+DDMMAAAA> N=about 64000.

Details on Acronym:   USNO
  
USNO   (US Naval Obs.)
  Note:format: 1900 coord.
  ***** Avoid the usage of USNO,  prefer IDS