The 100 Best Targets for Astrophotography
The100BestTargetsforAstrophotography[electronicbook]:AMonthlyGuideforCCDImagingwithAmateurTelescopes/byRubenKier.
章节：
一：THE100BESTASTROPHOTOGRAPHYTARGETS
January:MostlyNebulae
February:ClustersandNebulae
March:ClustersandGalaxies
April:GalaxyPairsandGroups
May:D
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