... L large m much m magnitude M middle, or in the middle n north neb nebula nebs nebulous neby nebulosity nf north following np north preceding ns north-south nr near N nucleus, or to a nucleus p preceding (westward) pf preceding-following p pretty (adv ...
... Coverage is limited to the sky north of declination -02.5degrees. ... Position angle measured in the conventional manner from North through East. ... zone, from the equator +00 to the north celestial pole +15; the second number is the ...