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telescope, the
Breuning Domed Observatory built in the early 2000s, the Flanders Pavilion, built in 2005 and named after founding club member Ernest Flanders, the "Amphitheater" hillside presentation area, the "Bunkhouse", which contains radio communications equipment, and several other buildings on
448:
Russell Porter was born in
Springfield in 1871, and in 1919, upon returning to the town, began constructing telescopes with the assistance of employees and equipment from the factories in Springfield. The Springfield Telescope Makers Club grew out of an instructional class on how to make telescopes
622:
The
Stellafane Convention is held every year on the club's land and buildings on the summit of Breezy Hill. It was started by Porter and the Springfield Telescope Makers in 1926, as an occasion for some 20 amateur telescope makers to compare telescopes and exchange ideas. It has since become
767:
483:
The original 20-by-24-foot (6.1 by 7.3 m) clubhouse, with an 11-by-13-foot (3.4 by 4.0 m) ell added in 1926, included a meeting room, a kitchen, a workshop, and bunk rooms on the second floor. The building incorporated a polar
592:
Although the amateur telescope competition and display is still held on the original site around the clubhouse, most of the convention activities since the 1980s have taken place at
Stellafane East, an annex to the original land about
413:
meaning "Shrine to the Stars", and originally referred specifically to the clubhouse, but has since come to refer to all of the club's land and buildings on the summit of Breezy Hill, west of downtown
Springfield.
480:, the members of this small group held their first meeting, deciding to build a clubhouse on a 3.5-acre (1.4 ha) plot belonging to Porter on the 1,270-foot (390 m) summit of Breezy Hill outside of town.
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Thousands of amateur telescope makers from all over the world gather to share their innovations, join in competitions, and enjoy the night sky. The convention is generally held over the weekend of the
2172:
2177:
753:
614:
Over 10 acres (4.0 ha) of land at
Stellafane East are reserved as a camping area, with plots for tents, campers, and RVs to reside during the multi-day convention and other gatherings.
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is the longest running astronomical convention in the United States, having been held nearly every year at the location since 1926. The clubhouse and observatory became listed on the
1953:
819:
2152:
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Besides the historic
Stellafane "pink clubhouse", the original site includes Porter's uniquely designed Turret Telescope, a 12-inch (300 mm; 30 cm) f/17
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Stellafane East includes the more recent McGregor
Observatory, built between 1986 and 1991, which boasts a 13-inch (330 mm; 33 cm)
2017:
1175:
584:
Stellafane West is still the location where the
Springfield Telescope Makers hold most of their meetings and telescope competitions.
581:
Solar
Observatory was constructed near the Turret Telescope, named after long-time convention attendee Andrew E. Simoni (1918–2013).
437:
in 1989, in recognition of the club's pioneering role in the popularization of astronomy and the amateur construction of telescopes.
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rotated concrete dome with the telescope mounted on the outside, with the observer on the inside working in heated comfort.
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on display during the 1983 Stellafane Convention with the pink Clubhouse and the Porter Turret Telescope in the background
1981:
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The convention has been attended by several notable figures in the fields of astronomy and space exploration, including
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89:
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1996:
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1991:
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82:
1103:
531:
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401:. The Pink Clubhouse was built in 1923 at the site by the Springfield Telescope Makers Club. The name
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991:
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628:
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919:"National Historic Landmark summary listing. National Park Service – Stellafane Observatory"
2106:
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405:, suggested by Porter at the club's December 1923 meeting, is derived from the Latin words
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8:
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editor who wrote stories about Russell W. Porter and the Springfield Telescope Makers
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The convention has been held nearly every summer since 1926, with the exceptions of:
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48:
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19:
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104:
91:
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View of the original pink Clubhouse at the Stellafane Observatory (2021).
35:
825:
View of the Breuning Domed Observatory at the 2021 Stellafane Convention
754:
National Register of Historic Places listings in Windsor County, Vermont
379:
1762:
1739:
1219:
698:
657:
538: in this section. Unsourced material may be challenged and removed.
1857:
1184:
649:
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624:
813:
The Stellafane logo on the cornerstone of the McGregor Observatory
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that was started by Porter the following year, on 12 August 1920.
2173:
Clubhouses on the National Register of Historic Places in Vermont
497:
75:
789:
View of the Simoni Spectrohelioscope building at Stellafane West
2178:
National Register of Historic Places in Windsor County, Vermont
1887:
1098:
837:
View of the Flanders Pavilion at the 2021 Stellafane Convention
366:
723:, longtime presenter of the Saturday evening "Shadowgram" talk
1153:
1071:"Stellafane: A Weekend on Breezy Hill – Sky & Telescope"
849:
Stellafane presentation at the hillside amphitheater in 1999
638:
1949–1953, following the death of founder Russell W. Porter
1961:
1329:
318:
1112:
705:
Notable amateur astronomers associated with Stellafane
897:. New Jersey: Rutgers University Press. p. 217.
801:
The McGregor Observatory building at Stellafane East
921:. Tps.cr.nps.gov. 20 December 1989. Archived from
2153:Buildings and structures in Springfield, Vermont
2129:
749:List of National Historic Landmarks in Vermont
1947:
1169:
870:"stellafane.org, About Us – About Stellafane"
745:, founder of the Springfield Telescope Makers
2018:Robbins and Lawrence Armory and Machine Shop
945:"NHL nomination for Stellafane Observatory"
2168:Buildings and structures completed in 1924
1954:
1940:
1176:
1162:
1149:Stellafane Convention schedule and history
992:"stellafane.org, Stellafane Early History"
324:
47:
34:
2053:Government and Political action landmarks
1137:The Stellafane National Historic Monument
1132:The Porter Turret Telescope: How It Works
554:Learn how and when to remove this message
165:U.S. National Register of Historic Places
132:Variable weather – clear dark night skies
972:, The Springfield Telescope Makers, Inc.
617:
458:
1050:. The Springfield Telescope Makers, Inc
1021:. The Springfield Telescope Makers, Inc
965:
890:
2163:National Historic Landmarks in Vermont
2130:
1963:National Historic Landmarks in Vermont
1068:
989:
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2143:Astronomical observatories in Vermont
1935:
1157:
894:Guidebook for the Scientific Traveler
1915:
1038:
1036:
536:adding citations to reliable sources
507:
431:National Register of Historic Places
13:
1977:Calvin Coolidge Homestead District
1012:
664:, and Samuel D. Hale, grandson of
587:
503:
393:is an astronomical observatory in
354:Location of Stellafane Observatory
345:
223:
198:
14:
2189:
1987:George Perkins Marsh Boyhood Home
1092:
1033:
680:, asteroid named after Stellafane
1914:
1903:
1902:
1673:Southern African Large Telescope
1097:
842:
830:
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782:
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570:built in 1930, consisting of an
512:
365:
344:
337:
222:
215:
197:
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2138:Amateur astronomy organizations
2011:Landmark commercial enterprises
523:needs additional citations for
174:U.S. National Historic Landmark
1992:Justin Smith Morrill Homestead
1062:
1006:
983:
959:
937:
911:
884:
861:
694:List of astronomical societies
277:
1:
1183:
1069:Walker, Sean (28 July 2017).
969:A Brief History of Stellafane
627:closest to the height of the
231:Show map of the United States
1127:Stellafane clubhouse history
452:
59:Springfield Telescope Makers
7:
1044:"Stellafane Modern History"
671:
631:, usually in early August.
10:
2194:
2065:Socialist Labor Party Hall
1015:"Stellafane Early History"
891:Nickell, Duane S. (2008).
759:
492:(no longer functional), a
443:
435:National Historic Landmark
17:
2099:
2083:
2052:
2036:
2010:
1969:
1897:
1689:
1666:Large Binocular Telescope
1631:Extremely Large Telescope
1624:Extremely large telescope
1597:
1480:
1420:
1341:
1303:
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1191:
376:
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332:
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276:NRHP reference
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140:August 12, 1920
136:
128:
120:
81:
63:
55:
42:
33:
2060:Rockingham Meeting House
1638:Gran Telescopio Canarias
854:
773:A large trailer mounted
684:Amateur telescope making
603:mile (400 m) away.
469:On December 7, 1923
423:amateur telescope makers
371:Related media on Commons
2117:St. Johnsbury Athenaeum
2100:Architectural landmarks
2028:Ticonderoga (steamboat)
1733:Astrology and astronomy
1443:Gravitational radiation
947:. National Park Service
739:, early founding member
256:3.5 acres (1.4 ha)
124:1,290 feet (390 m)
105:43.278278°N 72.519475°W
2112:Round Church, Richmond
2091:Stellafane Observatory
1652:Hubble Space Telescope
1121:Stellafane observatory
966:Willard, Bert (2015),
464:
433:in 1977, and became a
391:Stellafane Observatory
157:Stellafane Observatory
43:Alternative names
29:Stellafane Observatory
18:For the asteroid, see
1997:Rudyard Kipling House
1756:Astroparticle physics
1491:Australian Aboriginal
1143:Stellafane convention
1106:at Wikimedia Commons
727:Albert Graham Ingalls
629:Perseid meteor shower
618:Stellafane Convention
462:
419:Stellafane Convention
397:, founded in 1920 by
110:43.278278; -72.519475
2107:Brown Covered Bridge
1748:Astronomers Monument
1680:Very Large Telescope
1227:Astronomical symbols
721:Walter Scott Houston
577:In 2017, the Simoni
532:improve this article
486:Cassegrain telescope
471: (100 years ago)
395:Springfield, Vermont
247:Springfield, Vermont
2084:Scientific landmark
2075:Vermont State House
1821:List of astronomers
1234:Astronomical object
1075:Sky & Telescope
775:newtonian reflector
731:Scientific American
568:Newtonian reflector
500:on the south wall.
427:amateur astronomers
302:Designated NHL
206:Show map of Vermont
101: /
30:
2044:Mount Independence
2002:Emma Willard House
1807:Physical cosmology
666:George Ellery Hale
611:the eastern site.
465:
28:
2158:Events in Vermont
2125:
2124:
2037:Military landmark
1982:Robert Frost Farm
1929:
1928:
1814:Quantum cosmology
1800:Planetary geology
1593:
1592:
1304:Celestial subject
1102:Media related to
904:978-0-8135-4918-7
743:Russell W. Porter
689:Amateur astronomy
643:COVID-19 pandemic
641:2020, due to the
579:Spectrohelioscope
564:
563:
556:
490:transit telescope
421:, a gathering of
399:Russell W. Porter
387:
386:
289:Significant dates
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1956:
1949:
1942:
1933:
1932:
1922:
1918:
1917:
1910:
1906:
1905:
1890:
1881:
1874:
1867:
1860:
1851:
1844:
1837:
1835:Medieval Islamic
1830:
1823:
1816:
1809:
1802:
1795:
1788:
1779:
1772:
1765:
1758:
1751:
1742:
1735:
1728:
1721:
1719:Astroinformatics
1714:
1707:
1700:
1698:Archaeoastronomy
1682:
1675:
1668:
1661:
1659:Keck Observatory
1654:
1647:
1640:
1633:
1626:
1619:
1612:
1586:
1577:
1570:
1563:
1556:
1554:Medieval Islamic
1549:
1542:
1535:
1528:
1521:
1514:
1507:
1500:
1493:
1473:
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1459:
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1171:
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1115:
1113:Official website
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994:. Stellafane.org
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872:. Stellafane.org
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380:edit on Wikidata
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305:20 December 1989
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2023:Shelburne Farms
2006:
1965:
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1930:
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1865:X-ray telescope
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1471:Multi-messenger
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678:3140 Stellafane
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588:Stellafane East
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494:solar telescope
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2020:
2014:
2012:
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1984:
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1971:
1970:Landmark homes
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1712:Astrochemistry
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1693:
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1645:Hale Telescope
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1391:
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1378:Visible-light
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1094:
1093:External links
1091:
1088:
1087:
1061:
1048:stellafane.org
1032:
1019:stellafane.org
1005:
982:
958:
936:
925:on 6 June 2011
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800:
793:
791:
788:
781:
779:
772:
765:
761:
758:
757:
756:
751:
746:
740:
737:John M. Pierce
734:
724:
718:
716:James Hartness
713:
707:
706:
702:
701:
696:
691:
686:
681:
673:
670:
662:Clyde Tombaugh
646:
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544:September 2023
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85:
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72:Windsor County
65:
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44:
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39:
24:
9:
6:
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2:
2190:
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2019:
2016:
2015:
2013:
2009:
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1770:Constellation
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1437:
1433:
1430:
1426:
1425:
1423:
1421:Other methods
1419:
1412:
1408:
1403:
1399:
1398:
1396:
1392:
1389:
1385:
1382:
1375:
1370:
1365:
1361:
1358:
1357:Submillimetre
1354:
1351:
1347:
1346:
1344:
1340:
1331:
1327:
1326:
1324:
1320:
1317:
1316:Extragalactic
1313:
1309:
1308:
1306:
1302:
1295:
1291:
1288:
1284:
1281:
1280:Observational
1277:
1274:
1270:
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1260:
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1249:
1245:
1242:
1238:
1235:
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1224:
1221:
1217:
1212:
1208:
1207:
1205:
1201:
1198:
1194:
1193:
1190:
1186:
1179:
1174:
1172:
1167:
1165:
1160:
1159:
1156:
1150:
1147:
1146:
1142:
1141:
1138:
1135:
1133:
1130:
1128:
1125:
1124:
1120:
1119:
1114:
1109:
1108:
1107:
1105:
1100:
1076:
1072:
1065:
1049:
1045:
1039:
1037:
1020:
1016:
1013:Slater, Ken.
1009:
993:
986:
971:
970:
962:
946:
940:
924:
920:
914:
906:
900:
896:
895:
887:
871:
864:
860:
845:
840:
833:
828:
821:
816:
809:
804:
797:
792:
785:
780:
776:
769:
764:
763:
755:
752:
750:
747:
744:
741:
738:
735:
732:
728:
725:
722:
719:
717:
714:
712:
711:Robert E. Cox
709:
708:
704:
703:
700:
697:
695:
692:
690:
687:
685:
682:
679:
676:
675:
669:
667:
663:
659:
655:
654:David H. Levy
651:
644:
640:
637:
636:
635:
632:
630:
626:
615:
612:
609:
604:
585:
582:
580:
575:
573:
569:
558:
555:
547:
537:
533:
527:
526:
521:This section
519:
515:
510:
509:
501:
499:
495:
491:
487:
481:
461:
450:
441:
438:
436:
432:
428:
424:
420:
415:
412:
408:
404:
400:
396:
392:
381:
375:
372:
368:
362:
340:
331:
327:
322:
316:
312:
308:
304:
300:
296:
294:Added to NRHP
292:
287:
284:
281:
274:
263:
259:
255:
251:
248:
243:
239:
218:
193:
183:
179:
175:
170:
166:
161:
154:
150:
139:
135:
131:
127:
123:
119:
114:
86:
84:
80:
77:
73:
69:
66:
62:
58:
54:
50:
45:
41:
37:
32:
21:
16:
2148:Star parties
1746:
1726:Astrophysics
1705:Astrobiology
1369:Far-infrared
1323:Local system
1258:Astronomy by
1248:... in space
1096:
1078:. Retrieved
1074:
1064:
1052:. Retrieved
1047:
1023:. Retrieved
1018:
1008:
998:22 September
996:. Retrieved
990:Ken Slater.
985:
974:, retrieved
968:
961:
949:. Retrieved
939:
929:22 September
927:. Retrieved
923:the original
913:
893:
886:
876:22 September
874:. Retrieved
868:Ken Slater.
863:
647:
633:
621:
613:
605:
591:
583:
576:
572:equatorially
565:
550:
541:
530:Please help
525:verification
522:
482:
468:
447:
439:
418:
416:
410:
406:
402:
390:
388:
244:Breezy Hill,
56:Organization
15:
1793:Planetarium
1450:High-energy
1436:Cosmic rays
1388:Ultraviolet
137:Established
108: /
83:Coordinates
68:Springfield
46:Stellafane
25:Observatory
2132:Categories
1786:Photometry
1763:Binoculars
1740:Astrometry
1601:telescopes
1498:Babylonian
1342:EM methods
1220:Astronomer
1104:Stellafane
699:Star party
658:Alan Stern
476:1923-12-07
403:Stellafane
319:stellafane
268:1923, 1930
264:1923, 1930
144:1920-08-12
96:72°31′10″W
93:43°16′42″N
1858:Telescope
1464:Spherical
1411:Gamma-ray
1380:(optical)
1185:Astronomy
976:25 August
650:Alan Bean
608:Schupmann
453:Clubhouse
1908:Category
1617:Category
1512:Egyptian
1429:Neutrino
1364:Infrared
1312:Galactic
1287:Sidewalk
1241:Glossary
1211:Timeline
1025:18 April
951:18 April
672:See also
625:new moon
496:, and a
283:77000107
241:Location
121:Altitude
64:Location
1920:Commons
1872:history
1842:Russian
1690:Related
1599:Optical
1584:Tibetan
1568:Serbian
1561:Persian
1505:Chinese
1482:Culture
1402:History
1273:Amateur
1204:History
1197:Outline
1080:22 July
1054:22 July
760:Gallery
598:⁄
498:sundial
474: (
444:History
314:Website
266: (
142: (
129:Weather
76:Vermont
2070:Rokeby
1888:Zodiac
1828:French
1533:Indian
1526:Hebrew
1265:Manner
901:
407:stella
364:
1879:lists
1849:Women
1540:Inuit
1519:Greek
1457:Radar
1395:X-ray
1350:Radio
1330:Solar
855:Notes
411:fanum
378:[
261:Built
1610:List
1575:folk
1547:Maya
1082:2018
1056:2018
1027:2018
1000:2010
978:2015
953:2015
931:2010
899:ISBN
878:2010
488:, a
425:and
417:The
409:and
389:The
321:.org
253:Area
1777:IAU
534:by
278:No.
2134::
1314:/
1073:.
1046:.
1035:^
1017:.
729:,
668:.
660:,
656:,
652:,
74:,
70:,
1955:e
1948:t
1941:v
1372:)
1366:(
1177:e
1170:t
1163:v
1084:.
1058:.
1029:.
1002:.
955:.
933:.
907:.
880:.
600:4
596:1
557:)
551:(
546:)
542:(
528:.
478:)
382:]
270:)
146:)
22:.
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