Three new obscodes, spelling correction for a fourth

ObsCodes.htm

@@ -2260,7 +2260,7 @@
 W73 289.321560.957949-0.287797Observatorio Astronomico de Moquegua, Carumas
 W74 289.262450.873451-0.486040Danish Telescope, La Silla
 W75 289.609440.910001-0.414150SPECULOOS-South Observatory, Paranal
-W76 289.236950.862826-0.504288CHILESCOPE Observatory, Rio Hurtad
+W76 289.236950.862826-0.504288CHILESCOPE Observatory, Rio Hurtado
 W77 287.4010 0.75196 +0.65702 Skyledge Observatory, Killingworth
 W78 288.883250.739859+0.670509Clay Telescope, Harvard University
 W79 289.195350.865587-0.499763Cerro Tololo-LCO Aqawan B #1
@@ -2291,6 +2291,8 @@
 X04 291.567470.664264+0.745000MCD Observatory, Saint-Anaclet
 X05 289.250580.864981-0.500958Simonyi Survey Telescope, Rubin Observatory
 X06 289.146490.862374-0.505110Skygems Chile, Rio Hurtado
+X07 289.146390.862374-0.505109iTelescope Deep Sky Chile, Rio Hurtado
+X10 291.820400.921644-0.387717OVTLN, San Pedro de Atacama
 X12 295.712000.803430-0.593455Observatorio Los Cabezones
 X13 295.4498 0.85269 -0.52103 Observatorio Remoto Bosque Alegre
 X14 295.832220.854475-0.517879Observatorio Orbis Tertius, Cordoba
@@ -2303,6 +2305,7 @@
 X57 305.406260.903659-0.426885Polo Astronomico CMF,Foz do Iguacu
 X70 308.433220.931623-0.362375Observatorio OATU, Tupi Paulista
 X74 309.1506 0.92987 -0.36684 Observatorio Campo dos Amarais
+X77 309.924750.900184-0.434346Centro Astron. Nevoeiro, Antonio Olinto
 X87 312.0889 0.96218 -0.27210 Dogsheaven Observatory, Brasilia
 X88 312.491310.918012-0.395458Observatorio Adhara, Sorocaba
 X89 312.217860.962401-0.271311Rocca Observatory, Brasilia