{"id":572,"date":"2016-02-19T11:59:16","date_gmt":"2016-02-19T11:59:16","guid":{"rendered":"http:\/\/www.astronotas.org\/messier\/?p=572"},"modified":"2019-12-01T16:08:18","modified_gmt":"2019-12-01T20:08:18","slug":"m32","status":"publish","type":"post","link":"https:\/\/www.astronotas.org\/messier\/m32\/","title":{"rendered":"Messier 32"},"content":{"rendered":"\n
\"M32\"\/<\/a><\/figure>\n\n\n\n

Objeto: M32<\/strong><\/p>\n\n\n\n

Constelaci\u00f3n: Andromeda
Fecha: 1992.08.22 | Hora: 00:50 UT
Lugar: Sumidero, Aguas Buenas, PR<\/p>\n\n\n\n

Tipo de objeto: Galaxia E2
Nombre: NGC 221, Le Gentil
Magnitud: 8.2 | Tama\u00f1o: 3.6′ x 3.1′
A.R. 0h42.7m | Dec. 40\u00b052′
\u00c9poca: 2000.0<\/p>\n\n\n\n

Instrumento: Meade MTS-SN 6
Ocular: 6 mm ortosc\u00f3pico | Aumento: 127x
Campo aparente: 45\u00b0 | Campo actual: 21′
Otros:<\/p>\n\n\n\n

Carta en Uranometr\u00eda 2000.0: 60<\/p>\n\n\n\n

Descripci\u00f3n<\/h3>\n\n\n\n

Espa\u00f1ol:<\/strong> Es imposible observar esta galaxia sin que M31, su gran compa\u00f1era, nos desv\u00ede la vista hacia ella. Ambas se ven dentro del mismo campo de visi\u00f3n del ocular de menos aumento (30x). En efecto, si fuese posible ver los brazos espirales de M31, M32 se ver\u00eda superpuesta a ellos. M32 luce ovalada, y su centro es ligeramente m\u00e1s brillante que el resto de la galaxia. Un detalle adicional es que M32 forma un tri\u00e1ngulo con dos estrellas, cuya hipotenusa apunta hacia el centro de M31. A 14x (que es el aumento que ofrece un ocular de 55 mm en este telescopio), M32 apenas puede distinguirse como un peque\u00f1\u00edsimo parche nebuloso entre las estrellas que rodean a M31. En cambio, a 127x, aparece mejor definida que M110, la cual, inversamente, se ve mejor a menor aumento.<\/p>\n\n\n\n

English:<\/strong> It is impossible to see this galaxy without M31, its great companion, diverting our sight at her. Both are in the same field of view of the eyepiece with lower magnification (30x). If it were possible to see M31’s spiral arms, M32 would be superimposed on them. M32 looks oval, and its center is slightly brighter than the rest of the galaxy. Another detail is that M32 forms a triangle with two stars, whose hypotenuse points towards the center of M31. At 14x (which is the extra low magnification of a 55 mm eyepiece on this telescope) M32 can hardly be distinguished as a very small hazy patch of light among the stars surrounding M31. Instead, at 127x it looks better than M110, which conversely looks better at lower magnification.<\/p>\n\n\n\n

\"M32\"<\/a>
DSS2 @ Wikisky.org<\/figcaption><\/figure>\n\n\n\n

Cometarios de Messier en 1771:<\/strong> Examin\u00e9 la misma noche, y con los mismos instrumentos, la peque\u00f1a nebulosa que est\u00e1 debajo y a algunos minutos de aquella de la cintura de Andr\u00f3meda. M. le Gentil la descubri\u00f3 el 29 de octubre de 1749. La vi por primera vez en 1757. Cuando examin\u00e9 la anterior, no conoc\u00eda del descubrimiento de hab\u00eda hecho M. le Gentil, aunque \u00e9l lo hab\u00eda publicado en el segundo volumen de las Memorias de los Sabios extranjeros, p\u00e1gina 137<\/em>. He aqu\u00ed [p. 448] lo que encontr\u00e9 escrito en mi diario de 1764. Esta peque\u00f1a nebulosa es redonda y puede tener de di\u00e1metro 2 minutos de grado: entre esta peque\u00f1a nebulosa y aquella de la cintura se ven dos peque\u00f1as estrellas telesc\u00f3picas. En 1757, hice un dibujo de esta nebulosa, as\u00ed como de la anterior, y no encontr\u00e9 ning\u00fan cambio en cada vez que la revis\u00e9: se ve dif\u00edcilmente esta nebulosa con un anteojo ordinario de tres pies y medio; su luz es m\u00e1s d\u00e9bil que la de la anterior, y no contiene ninguna estrella. Por el paso de esta nueva nebulosa por el meridiano, compar\u00e9 con el de la estrella \u03b3 de Andr\u00f3meda, determin\u00e9 su posici\u00f3 en ascensi\u00f3n recta de 7\u00b0<\/span> 27′ 32″ y su declinaci\u00f3n de 38\u00b0<\/span> 45′ 34″ boreal.<\/p>\n\n\n\n

Comentarios de Messier en 1784:<\/strong> Peque\u00f1a nebulosa sin estrellas, debajo y a algunos minutos de aquella de la cintura de Andr\u00f3meda; esta peque\u00f1a nebulosa es redonda, su luz m\u00e1s d\u00e9bil que aquella de la cintura. M. le Gentil la descubri\u00f3 el 29 de octubre de 1749. M. Messier la vio, por primera vez, en 1757 y no ha reconocido alg\u00fan cambio.<\/p>\n\n\n\n

Mapa para localizar a M32<\/strong><\/p>\n\n\n\n

\"Mapa<\/a>
Haga click para agrandar.<\/figcaption><\/figure>\n\n\n\n
\"M32\"<\/a>
NASA and Thomas M. Brown, Charles W. Bowers, Randy A. Kimble, Allen V. Sweigart (NASA Goddard Space Flight Center) and Henry C. Ferguson (Space Telescope Science Institute) [origen<\/a>]<\/figcaption><\/figure>\n","protected":false},"excerpt":{"rendered":"

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