0 m.

0 s., it is on the meridian of the vernal equinox, or the celestial Greenwich; if it is in R.A.1 h., it will be found 15 deg.

east of the vernal equinox, and so on.
[Illustration: CHART NO.

3 .-- FROM RIGHT ASCENSION 8 HOURS TO 12 HOURS; DECLINATION 30 deg.

NORTH TO 10 deg.