Category:Allegheny Observatory

Media in category "Allegheny Observatory"

The following 57 files are in this category, out of 57 total.

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  Allegheny Observatory (8098370231).jpg 3,264 × 1,952; 1.35 MB
  
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  Allegheny Observatory (8098370421).jpg 3,264 × 1,952; 1.3 MB
  
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  Allegheny Observatory (8098370487).jpg 3,264 × 1,952; 1.21 MB
  
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  Allegheny Observatory (8098370657).jpg 1,952 × 3,264; 1.02 MB
  
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  Allegheny Observatory (8098370899).jpg 3,264 × 1,952; 1.29 MB
  
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  Allegheny Observatory (8098371263).jpg 3,264 × 1,952; 799 KB
  
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  Allegheny Observatory (8098372325).jpg 3,264 × 1,952; 762 KB
  
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  Allegheny Observatory (8098372887).jpg 3,264 × 1,952; 816 KB
  
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  Allegheny Observatory (8098378904).jpg 1,952 × 3,264; 1.23 MB
  
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  Allegheny Observatory (8098379010).jpg 3,264 × 1,952; 658 KB
  
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  Allegheny Observatory (8098379108).jpg 3,264 × 1,952; 1.34 MB
  
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  Allegheny Observatory (8098380292).jpg 3,264 × 1,952; 841 KB
  
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  Allegheny Observatory (8098380656).jpg 1,952 × 3,264; 851 KB
  
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  Allegheny Observatory (8098380728).jpg 3,264 × 1,952; 827 KB
  
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  Allegheny Observatory (8098380820).jpg 3,264 × 1,952; 902 KB
  
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  Allegheny Observatory 2007a.jpg 3,072 × 2,048; 2.66 MB
  
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  Allegheny Observatory 2007b.jpg 2,964 × 1,976; 2.35 MB
  
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  Allegheny Observatory 2015-01-05, 01.jpg 2,485 × 1,864; 3.09 MB
  
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  Allegheny Observatory 2015-01-05, 02.jpg 2,400 × 1,800; 2.94 MB
  
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  Allegheny Observatory 2015-01-05, bw, 03.jpg 2,127 × 1,595; 1.57 MB
  
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  Allegheny Observatory front door (8098370127).jpg 1,952 × 3,264; 926 KB
  
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  Allegheny Observatory Photo Telescope circa 1914.JPG 546 × 733; 110 KB
  
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  Allegheny Observatory Pittsburgh PA.jpg 1,600 × 1,200; 742 KB
  
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  Allegheny Observatory, 2014-10-08, 01.jpg 4,408 × 2,939; 2.04 MB
  
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  Allegheny Observatory, 2015-05-14, 01.jpg 2,718 × 1,980; 2.71 MB
  
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  Allegheny Observatory, 2015-05-14, 02.jpg 2,679 × 1,786; 2 MB
  
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  Allegheny Observatory, 2015-05-14, 03.jpg 2,141 × 1,780; 1.48 MB
  
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  Allegheny Observatory, 2015-05-14, 04.jpg 3,083 × 1,592; 2.13 MB
  
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  Allegheny Observatory, 2015-05-14, 05.jpg 2,272 × 1,704; 1.28 MB
  
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  Allegheny Observatory, 2021-12-23, 01 HDR.jpg 4,211 × 2,808; 4.35 MB
  
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  Allegheny Observatory, 2021-12-23, 02.jpg 2,465 × 3,698; 2.6 MB
  
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  Allegheny Observatory, 2021-12-23, 03.jpg 2,595 × 2,076; 2.17 MB
  
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  Allegheny Observatory, 2021-12-23, 04.jpg 1,938 × 2,583; 1.91 MB
  
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  Allegheny Observatory, 2021-12-23, 05.jpg 1,904 × 2,857; 2.13 MB
  
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  Allegheny Observatory, August 2014.jpg 4,808 × 3,040; 3.92 MB
  
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  Allegheny Observatory, December evening, 1999.jpg 5,612 × 3,157; 4.37 MB
  
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  Allegheny Observatory, Observatory Hill, Pittsburgh 01.jpg 2,274 × 1,705; 1.05 MB
  
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  Allegheny Observatory, Observatory Hill, Pittsburgh 02.jpg 2,272 × 1,704; 1.9 MB
  
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  Allegheny Observatory, University of Pittsburgh, Pittsburgh, Pa (69846).jpg 2,129 × 3,331; 2.51 MB
  
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  AlleghenyObservatoryEntrance.jpg 1,024 × 768; 273 KB
  
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  AlleghenyObservatoryMarch2013.jpg 1,636 × 808; 635 KB
  
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  Construction, Allegheny Observatory, 2021-12-23, 01.jpg 2,796 × 2,237; 2.28 MB
  
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  Construction, Allegheny Observatory, 2021-12-23, 02.jpg 2,625 × 2,625; 2.62 MB
  
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  Fitz-Clark Refractor, Allegheny Observatory.jpg 4,928 × 3,264; 3.86 MB
  
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  Flammarion - La planète Mars, Tome 2-f096.jpg 678 × 678; 63 KB
  
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  Flammarion - La planète Mars, Tome 2-f097.jpg 686 × 686; 75 KB
  
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  Flammarion - La planète Mars, Tome 2-f098.jpg 686 × 686; 69 KB
  
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  Flammarion - La planète Mars, Tome 2-f099.jpg 684 × 684; 58 KB
  
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  Flammarion - La planète Mars, Tome 2-f100.jpg 684 × 684; 62 KB
  
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  Observatory (8603359753).jpg 3,872 × 2,592; 2.49 MB
  
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  PSM V72 D441 Allegheny observatory.png 1,613 × 1,096; 467 KB
  
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  PSM V81 D415 The keeler memorial reflector telescope.png 1,612 × 1,226; 593 KB
  
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  PSM V81 D416 The new allegheny observatory.png 3,009 × 1,403; 956 KB
  
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  PSM V81 D417 The thaw photographic refractor.png 1,236 × 1,610; 636 KB
  
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  Thaw Refractor, Allegheny Observatory 2.jpg 3,212 × 4,862; 3.12 MB
  
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  Thaw Refractor, Allegheny Observatory.jpg 4,928 × 3,264; 3.48 MB
  
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  The Popular science monthly (1912) (14766458921).jpg 2,976 × 1,392; 539 KB