TY  - JOUR
T1  - Observations of the Apparent Distances and Positions of 380 Double and Triple Stars, Made in the Years 1821, 1822, and 1823, and Compared with Those of other Astronomers; together with an Account of Such Changes as Appear to Have Taken Place in Them since Their First Discovery. Also a Description of a Five-Feet Equatorial Instrument Employed in the Observations. 
JF  - Abstracts of the Papers Printed in the Philosophical Transactions of the Royal Society of London (1800-1843)
VL  - 2
SP  - 224
EP  - 225
PY  - 1815/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1815.0247
M3  - doi:10.1098/rspl.1815.0247
AU  - Herschel, J.
AU  - South, J.
ER  -
