TY - JOUR
AU - Roy Garstang
BT - The Journal of the American Association of Variable Star Observers
DA - 06/1992
PY - 1992
SP - 63
EP - 15
T2 - The Journal of the American Association of Variable Star Observers
TI - AG Cygni and Telescopic Limiting Magnitudes
UR - http://articles.adsabs.harvard.edu/full/1992JAVSO..21...63G
VL - 21
ER -