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Stephen O'Meara Deep Sky Companions. The Messier Objects, The Caldwell Objects and the recently published Hidden Treasures (not shown in the photo). Stephen O'Meara describes how to find and observe these objects in a small apperture telescope. The two first are the well konw lists of Messier and Caldwell, while the third is a compendium of deep sky objects not contained on the lists, but that can also be observed with small apperture telescopes. |
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| Imágenes Totales: 7 | Generado por JAlbum 7.3 & Chameleon | Ayuda |