Celestial hemisphere:  Northern  ·  Constellation: Cassiopeia (Cas)  ·  Contains:  PK138+04.1  ·  Sh2-200
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Hartl-Dengl-Weinberger 2 Ancient planetary nebula in Cassiopiea. HaOIIIRGB, Pat Rodgers
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Hartl-Dengl-Weinberger 2 Ancient planetary nebula in Cassiopiea. HaOIIIRGB

Getting plate-solving status, please wait...
Hartl-Dengl-Weinberger 2 Ancient planetary nebula in Cassiopiea. HaOIIIRGB, Pat Rodgers
Powered byPixInsight

Hartl-Dengl-Weinberger 2 Ancient planetary nebula in Cassiopiea. HaOIIIRGB

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Description

Hartl-Dengl-Weinberger 2, A.K.A "The Bearclaw nebula," and also catalogued as Sh2-200, is an old Pn. There's an outer ring of Ha around this object but a lot more exposure time is needed to reveal this. The stars in the top right hand corner are part of Trumpler 3 an open cluster. If you've a larger fov this would make a nice contrast between the two very different subjects.
HDW2 is very similar too HFG1 in structure.

My best image of HFG-1 is here in my staging area as it's not the best.

https://www.astrobin.com/264094/C/?image_list_page=2&nc=&nce=

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Hartl-Dengl-Weinberger 2 Ancient planetary nebula in Cassiopiea. HaOIIIRGB, Pat Rodgers

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