Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)
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Sh2-200 • The Bear Claw Nebula in HOO, Douglas J Struble
Sh2-200 • The Bear Claw Nebula in HOO
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Sh2-200 • The Bear Claw Nebula in HOO

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Sh2-200 • The Bear Claw Nebula in HOO, Douglas J Struble
Sh2-200 • The Bear Claw Nebula in HOO
Powered byPixInsight

Sh2-200 • The Bear Claw Nebula in HOO

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Description

HDW 2 (Hartl-Dengl-Weinberger 2), also known as Sharpless 2-200 or PNG 138.1+04.1, is a quite old planetary nebula (PN) in the constellation Cassiopeia. The nebula is also called "The Bearclaw Nebula".

The bright part of the object has a diameter of about 6'. According to W. A. Weidmann and R. Gamen, who have examined the central stars of different PNs, the central star of HDW 2 is a binary star.

Interestingly there is a larger outer halo around the brighter part of the nebula but it is very faint and needs the exposure time to capture it.

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    Sh2-200 • The Bear Claw Nebula in HOO, Douglas J Struble
    Original
    Sh2-200 • The Bear Claw Nebula in HOO, Douglas J Struble
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Description: Featured in Astronomy Magazine April 2020

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Sh2-200 • The Bear Claw Nebula in HOO, Douglas J Struble

In these public groups

Planetary Nebulae
Sharpless2 Objects