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Monoceros R2 (Reflection Nebula)


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Monoceros R2
Reflection Nebula (反射星雲)
Nb RN


星座 (Constellation)
いっかくじゅう座 (Mon) (Monoceros)


距離 (Distance)
2,700光年 (2,700 light-years)

Monoceros R2 is a reflection nebula located 2,700 light years from the Earth in the constellation Monoceros.

Monoceros R2 (Reflection Nebula) : Picture

Monoceros R2 (Reflection Nebula)
Monoceros R2 (Reflection Nebula)
(C) ESO/J. Emerson/VISTA
This dramatic infrared image shows the nearby star formation region Monoceros R2, located some 2,700 light-years away in the constellation of Monoceros. The picture was created from exposures in the near infrared bands Y, J and Ks taken by the VISTA survey telescope at ESO’s Paranal Observatory. Monoceros R2 is an association of massive hot young stars illuminating a beautiful collection of reflection nebulae, embedded in a large molecular cloud.

Monoceros R2
Monoceros R2 Molecular Cloud
(C) T.A. Rector (University of Alaska Anchorage) and N.S. van der Bliek (NOAO/AURA/NSF)
This image was obtained with the wide-field view of the Mosaic II camera on the Blanco 4-meter telescope at Cerro Tololo Interamerican Observatory on January 11th, 2012. It shows a portion of the giant Monceros R2 molecular cloud. It is a location of massive star formation, particularly in the location of the bright red nebula just below the center of the image. The image was generated with observations in the Sulphur [SII] (blue) and Hydrogen-Alpha (red) filters. In this image, north is to the right, and east is up.

R2 Molecular Cloud
R2 Molecular Cloud
(C) Palomar Observatory

Monoceros R2 Monoceros R2
Monoceros R2 (Reflection Nebula)
(C) ESO
Monoceros R2 Molecular Cloud
(C) NOAO
R2 Molecular Cloud
R2 Molecular Cloud
(C) Palomar Observatory
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