On 06 Jun, 2011 By Anonymous (not verified)
ROYAL ASTRONOMICAL SOCIETY OF CANADA
COMET AND NOVA SECTION
Comet and nova Search Areas: Part I. From Declination 0° to 90°N.
The number on the circumference are hours of Right Ascension,
and each small dash represents 20 minutes of time. Small numbers
along the 00h and 12h lines are degrees of declination. The purpose
of this chart is to enable the observer to find the range of his
area in Right Ascension and Declination. The observer should make
a copy of his area from a star atlas showing stars to at least sixth
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