00841nam a2200241Ia 4500003000900000008004100009020001800050040001600068080001500084100003300099245008100132260002700213300001300240490004700253650001500300650003100315650003700346650003800383700002100421942000700442999001700449952013300466IN-BaIIA211028s9999    xx            000 0 eng d  a0-85233-557-2  cIIA Library  a523.6bJAM  aJames, N and North, G927886 0aObserving cometscN. James and G. North                                       aLondonbSpringerc2003  ax, 234p.  aPatrick Moore's Practical Astronomy Series  aAstrometry  aCometary Photometry927887  aComets- Amateur's Manuals927888  aComets- Observer's Manulas927889  aNorth, G.927890  cBK  c15188d15188  00104070aBANbKAVcGENd2003-07-13eANJ   g2483.50l0o523.6/ JAMp16110r2021-11-05v2483.50w2003-07-13yBKGRs. 2483.50