Download E-books A Photographic Atlas of Selected Regions of the Milky Way PDF

By Edward Emerson Barnard, Gerald Orin Dobek

Edward Emerson Barnard's Photographic Atlas of chosen areas of the Milky means used to be initially released in volumes in 1927. jointly those volumes contained a wealth of knowledge, together with photographic plates of the main fascinating parts of the Milky approach, descriptive textual content, charts, and knowledge. in simple terms seven-hundred copies have been published, making the unique variation a collector's merchandise. Reproduced in print for the 1st time, this version combines either volumes of Barnard's Atlas. It without delay replicates Barnard's textual content, and includes excessive solution pictures of the unique photographic plates and charts, reordered for you to be noticeable jointly. it is usually a biography of Barnard and his paintings, a Foreword and Addendum via Gerald Orin Dobek describing the significance of the Atlas and additions to this quantity, and a pull-out part with a mosaic of all 50 plates mixed in one landscape.

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Five 7. zero 6. 1 7. five nine. five five. 7 nine. five five. 1 α 1875. zero 5h 11m44 s. 6 five thirteen zero . four five 14 fifty five . three five 18 25 . 6 five 21 50 . 1 five 22 forty seven . 7 five 23 fifty seven . nine five 24 2 . 2 five 24 32 five 27 fifty seven . five five 28 15 . 2 five 28 19 . three five 30 29 . 2 five 31 15 . 1 five 34 35 . zero five 37 fifty five . 7 five forty-one 17 . three five forty two 7 . three five forty two 31 . 6 δ 1875. zero + 6°36. 7 + thirteen 25 . zero + eight 18 . 2 + 6 14 . 1 + 12 27 . 2 + 12 10 . 1 + 10 nine . four + eleven fifty nine . nine + 12 five . 2 + nine 24 . 2 + nine 50 . nine + 10 nine . three + eight fifty two . four + 7 27 . nine + nine 7. nine + nine nine. zero + 6 24 . five + 7 6. zero + 12 36 . 6 H. D. M AG . Ptm. Ptg. 7. 7 7. 7 five . seventy one 1 . 70 6 . eighty one 7 . 00 7 . 27 7. three .... four . fifty three three . sixty six five . fifty nine 6 . 09 five . 70 7 . 38 .... five . 27 .... four . ninety two eight. 7 eight. 2 five . fifty two 1 . fifty one 7 . 31 6 . ninety five 7 . 25 7 . 10 .... four . 29 .... five . fifty four five . ninety two five . sixty five 7 . 33 .... five . 35 .... four . ninety SPECTRUM K0 F8 B2 B2 F8 B8 B9 B3 ... B0 Oe5 B8 B3 B8 B8 ... A3 ... B9 darkish items B 223 224 225 30 five five five five h m 14 . 7 17 . zero 22 23 . 2 + 8°. 2 + 10 . five + eleven . five + 12. 7 B 31 32 35 36 [75] 5h 25m. zero five 25 . 1 five 38 . 7 five forty three + 12°. 7 + 12. three + nine . zero + 7 . four feedback 24 γ Orionis 37 φ1 Orionis 39 λ Orionis fifty two Orionis 134 Tauri CHART 6 IN ORION α = 5h27 m30 s δ= 9°48 CHART AND PLATE 7 sector OF THE CLUSTER MESSIER 37 IN AURIGA correct Ascension = 5h forty three m 5s, Declination = + 32°30 PLATE 7 zone OF THE CLUSTER MESSIER 37 IN AURIGA α = 5h 43m 5s , δ = + 32°30 Galactic lengthy. = 145°, Lat. = + four° 1905 March 31 . 663 publicity = 1h 30m Scale: 1 cm = sixteen. 1 , or 1 inch = forty. eight The effect is given right here that the cluster close to the guts, Messier 37, is a condensation of the stellar stratum. Its fainter outliers appear to diffuse into the overall historical past, in order that it's tough to inform the place the cluster ends. there is not any hesitation, even though, in placing its diameter as over 25 , yet one will get the influence that it truly is a long way more than that. it really is most likely globular in shape. The celebrity stratum within which it truly is put, or opposed to which it truly is projected, doesn't it seems that have any nice intensity. There looks first, a stratum of kind of coarse stars, after which a last stratum—far denser—of very small stars. approximately levels west (or approximately 3 inches to the appropriate) of Messier 37 is a curious black spot (B 34 of the record of darkish objects), over 20 in diameter, of approximately an analogous measurement because the cluster. There are a number of very feeble stars in it, however it sticks out so certain in blackness that one is sort of tempted to think it's a case of obscuration. even if this can relatively be the very fact, there is not any it's because a precise emptiness shouldn't be current right here, for the stratum of stars seems to be a comparatively skinny one. however, from its basic visual appeal, it really is possible very lengthy publicity will express anything at its position. This zone seems striking for the time-honored darkish lanes and megastar traces. they're in particular widespread within the house as regards to and south of Messier 37. A conspicuous this sort of seams or strains of stars runs northeast from some extent above and to the left of the darkish spot B 34, approximately to the 7. 7 value celebrity B. D. + 34°1172 (No. 137 at the diagram and within the checklist of stars partly II). an analogous line runs from the south finish of the above pointed out line to some extent south and west of Messier 37, in α = 5h43m30 s , δ = + 32°15 .

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