Observing the Messier Objects with a Small Telescope: In the Footsteps of a Grea
54,80 €
It also had rather poor optics by modern standards. - Part I: M1 - M22. - Part II: M23 - M45. - Part III: M46 - M68. - Part IV: M69 - M91. - Part V: M92 - M110. 120 b/w and 10 colour illustrations.
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