TY  - JOUR
T1  - Astronomical Observations
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 110
SP  - 330
EP  - 331
PY  - 1820/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1820.0023
M3  - doi:10.1098/rstl.1820.0023
AU  - Groombridge, S.
ER  -