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    Blue Snowball Nebula (NGC 7662)

    NGC 7662, Blue Snowball Nebula
    A planetary nebula in the west of the constellation Andromeda, 2.5° west-southwest of the star Iota Andromedae. One of the easiest planetaries to observe with small instruments, it appears blue-green and has a very faint central star that is variable with a magnitude range of 12 to 16. The image shown here was obtained by the Hubble Space Telescope.


    Visual magnitude 8.3
    Angular size 32" × 28"
    Distance 2,200 light-years
    Position R.A. 23h 25m 54s,
    Dec. +42° 37'
    Other designations PK 106-17 1, GCRV 14695, PN ARO 20


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       • NEBULAE AND STAR CLUSTERS



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