UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse

Page 1 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=1' data-page='1' class='cut-thumb lazyload' alt='Page 1: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/1.jpg' width='140' height='200' /> UNITED STATES NAVAL OBSERVATORY

CIRCULAR NO. 141

U.S. Naval Observatory, Washington, D. C. 20392 March 16, 1973

LUNAR LIMB PROFILES FOR SOLAR ECLIPSES

by

Julena S. Duncombe

Note to Electronic Edition

In the printed edition of this Circular, even pages 10–32 were intentionally left blank; the blank pages are not provided herein.

Page 2 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=2' data-page='2' class='cut-thumb lazyload' alt='Page 2: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/2.jpg' width='140' height='200' /> Page 3 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=3' data-page='3' class='cut-thumb lazyload' alt='Page 3: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/3.jpg' width='140' height='200' /> Page 4 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=4' data-page='4' class='cut-thumb lazyload' alt='Page 4: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/4.jpg' width='140' height='200' /> Page 5 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=5' data-page='5' class='cut-thumb lazyload' alt='Page 5: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/5.jpg' width='140' height='200' /> Page 6 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=6' data-page='6' class='cut-thumb lazyload' alt='Page 6: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/6.jpg' width='140' height='200' /> Page 7 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=7' data-page='7' class='cut-thumb lazyload' alt='Page 7: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/7.jpg' width='140' height='200' /> Page 8 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=8' data-page='8' class='cut-thumb lazyload' alt='Page 8: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/8.jpg' width='140' height='200' /> Page 9 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=9' data-page='9' class='cut-thumb lazyload' alt='Page 9: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/9.jpg' width='140' height='200' /> Page 10 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=10' data-page='10' class='cut-thumb lazyload' alt='Page 10: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/10.jpg' width='140' height='200' /> Page 11 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=11' data-page='11' class='cut-thumb lazyload' alt='Page 11: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/11.jpg' width='140' height='200' /> Page 12 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=12' data-page='12' class='cut-thumb lazyload' alt='Page 12: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/12.jpg' width='140' height='200' /> Page 13 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=13' data-page='13' class='cut-thumb lazyload' alt='Page 13: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/13.jpg' width='140' height='200' /> Page 14 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=14' data-page='14' class='cut-thumb lazyload' alt='Page 14: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/14.jpg' width='140' height='200' /> Page 15 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=15' data-page='15' class='cut-thumb lazyload' alt='Page 15: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/15.jpg' width='140' height='200' /> Page 16 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=16' data-page='16' class='cut-thumb lazyload' alt='Page 16: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/16.jpg' width='140' height='200' /> Page 17 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=17' data-page='17' class='cut-thumb lazyload' alt='Page 17: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/17.jpg' width='140' height='200' /> Page 18 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=18' data-page='18' class='cut-thumb lazyload' alt='Page 18: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/18.jpg' width='140' height='200' /> Page 19 <img data-url='document/united-states-naval-observatory-circular-aausnonavymilpublicationsdocscircular141pdf.html?page=19' data-page='19' class='cut-thumb lazyload' alt='Page 19: UNITED STATES NAVAL OBSERVATORY CIRCULAR …aa.usno.navy.mil/publications/docs/Circular_141.pdf · This Circular contains selected lunar timb profiles designed for use in Solar eclipse' loading='lazy' src='data:image/gif;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAADUlEQVR42mNk+P+/HgAFhAJ/wlseKgAAAABJRU5ErkJggg==' data-src='https://reader043.cupdf.com/reader043/viewer/2022031200/5bb88b7709d3f21e6a8d02f5/html5/thumbnails/19.jpg' width='140' height='200' /> Page 20 <img 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