Planetary Nebula NGC 6751 in Aquila Constellation

The planetary nebula NGC 6751 lies 6,500 light-years away in the constellation Aquila, the Eagle. It is about 0,8 light-years in diameter. The surface temperature of the central star is estimated to be in the range of 140,000 K. It is the radiation and winds from the star that are responsible for the nebula’s appearance.

Astronomers will probably recognize NGC 6751 from the photograph released to commemorate the 10th anniversary of the Hubble Space Telescope in 2000.

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Planetary Nebula NGC 6751 in Aquila Constellation



Saturn Nebula (NGC 7009) in Aquarius Constellation

The Saturn Nebula, or NGC 7009, is a bright planetary nebula in the Aquarius constellation. Discovered in the late 18th century by the German astronomer William Herschel, the Saturn Nebula was named for its resemblance to the planet Saturn and its rings. At the centre of the Saturn Nebula is a bright, hot bluish white dwarf star with a visual magnitude of 11.5. The nebula is 2-4,000 light-years distant from Earth.

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The Saturn Nebula in Aquarius

Photo by NASA and European Space Agency

NGC 1333 in Perseus Constellation

Reflection nebula NGC 1333 is a star forming region located in Perseus constellation and part of the Perseus OB2 molecular cloud complex. The nebula is approximately a thousand light-years distant from Earth and has an apparent magnitude of 5.6. The light of the stars that are being formed in the nebula is obscured by thick clouds of dust, but a photograph taken by the Spitzer Space Telescope has revealed that the young stars are divided into two groups inside the nebula; one in the northern region and the other one in the southern part of NGC 1333.

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Reflection Nebula NGC 1333 in Perseus