Jan 8, 2024
The asterism NGC 1807 (left) and the open cluster NGC 1817 (right) // AnaTa
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The asterism NGC 1807 (left) and the open cluster NGC 1817 (right) // AnaTa
DOBLE CÚMULO EN TAURO: NGC 1817 / NGC 1807
A 1300 AL de casa, en Tauro, podemos observar un cúmulo doble de una edad aproximada de 1000 millones de años.
Cerca, ya en la constelación de Orion, 15 Ori es una binaria espectroscópica a 340 AL cuya componente principal es una blanco amarillenta de tipo F, que ha agotado el hidrógeno de su núcleo y está evolucionando hacia una gigante. Puede llegar a verse a simple vista.
Refractor TS Photoline 72 mm a f6. Cámara imx 294.