NEBULAE & STAR CLUSTERS
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    Gyulbudaghian's Nebula (HH215)

    Gyulbudaghian's Nebula
    A Herbig-Haro object – a variable bipolar nebula generated by shock waves from a contracting protostar - in the constellation Cepheus. At the apex of its faint, fan-like shape lies the variable star PV Cephei, which provides the energy that illuminates the nebula. HH 215 resembles the classic variable bipolar nebula NGC 2261 ( Hubble's Variable Nebula) as it varies in shape and brightness and its spectrum is in a state of continual change.

    The name "Gyulbubaghian's Nebula" (pronounced gyool-boo-DAH-ghee-an) originates from a paper published in Soviet Astronomy Letters (1977 ).


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