Astronomy for amateurs . Fig. 21.—The Star-Cluster in Hercules. star-clusters, varying greatly in extent and number,some projected in front of others, while the whole formsan agglomeration. Among this mass of star-groups, several thousandsof which are already known to us, we will select one ofthe most curious, the Cluster in Hercules, which can be 79 ASTRONOMY FOR AMATEURS distinguished with the unaided eye, between the stars77 and ^ of that constellation. Many photographs ofit have been taken in the authors observatory at Juvisy,showing some thousands of stars; and one of these isreproduced i
Astronomy for amateurs . Fig. 21.—The Star-Cluster in Hercules. star-clusters, varying greatly in extent and number,some projected in front of others, while the whole formsan agglomeration. Among this mass of star-groups, several thousandsof which are already known to us, we will select one ofthe most curious, the Cluster in Hercules, which can be 79 ASTRONOMY FOR AMATEURS distinguished with the unaided eye, between the stars77 and ^ of that constellation. Many photographs ofit have been taken in the authors observatory at Juvisy,showing some thousands of stars; and one of these isreproduced in the accompanying figure (Fig. 21). Isit not a veritable universe?. Fig. 22.—The Star-Cluster in the Centaur. Another of the most beautiful, on account of itsregularity, is that of the Centaur (Fig. 22). These groups often assume the most extraordinaryshapes in the telescope, such as crowns, fishes, crabs,open mouths, birds with outspread wings, etc. We must also note the gaseous nehulcB^ universes in80 THE STARS, SUNS OF THE INFINITE the making, , the famous Nebula in Orion, ofwhich we obtained some notion a while ago in connec-
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectastronomy, bookyear19
