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Deep space: Pacman Nebula (NGC 281)
NGC 281 is also known as Pacman Nebula, for its resemblance to the video game character. NGC 281 is an H-alpha region in the constellation of Cassiopeia and it is 9500 light years away from Earth (so, it is still inside our galaxy). Picture taken with newton telescope 750mm focal length and scientific CCD camera. This is composition of H-alpha (hydrogen gas) line and RGB image. Total exposure time: 2 hours.
Image dimensions: 2500 x 2500 pixels
Deep space: Pac...
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Deep space: Pacman Nebula (NGC 281)
NGC 281 is also known as Pacman Nebula, for its resemblance to the video game character. NGC 281 is an H-alpha region in the constellation of Cassiopeia and it is 9500 light years away from Earth (so, it is still inside our galaxy). Picture taken with newton telescope 750mm focal length and scientific CCD camera. This is composition of H-alpha (hydrogen gas) line and RGB image. Total exposure time: 2 hours.
Image dimensions: 2500 x 2500 pixels