Oct 23/24, 1981
103aO + GG385
The spiral pattern is multiple in NGC 491,
starting from an internal ring upon which the bar
terminates. The galaxy is remote compared with
most others in the RSA; the spatial resolution is
about a factor of four less than in the average
The redshift is v_o = 3890 km/s.
Overexposed center with knotty arms. Star 0.8 south-preceding.
=ESO 352- G 53
Bright star 0.8 arcmin [south-preceding].
Revised type from Yale 26-inch plate.