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NGC 6888 - Crescent Nebula

The Crescent Nebula also known as NGC 6888, Caldwell 27, Sharpless 105 is an emission nebula in the constellation Cygnus, about 5000 light years away from Earth. It is formed by the fast stellar wind from the Wolf-Rayet star WR 136 colliding with and energizing the slower moving wind ejected by the star when it became a red giant around 250,000 to 400,000 years ago.

 

Shot over the past few months over 8 nights. Framed it a little different than I usually see.

 

Total Integration: 28 hours 5 mins

 

#askarv 80mm at 600mm

#zwo ASI2600MM

ZWO Am5

ZWO ASI220MM, EAF & Filter Wheel

#stellarvue 50mm Guide Scope F050G

#deepskydad Flat Panel

Pegasus Rotator V1

#antlia 3nm Ha, OIII, SII

#optolong R, G, B filters

 

Acquisition: NINA, Sharpcap for PA

Stacked in APP, bias, flats, flatdarks, darks

 

Processed/edited in PI, PS

 

High Resolution Image: app.astrobin.com/u/jratino?i=l9ewzl#gallery

 

FB JL Ratino

IG jlratino

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Uploaded on June 15, 2025