This is a close-up of the central region around super massive Eta Carina. The keyhole shaped structure has its origin from past outbursts of the star
QHY8/ALccd 6c Vixen R200SSDG(8"/F4)+ Televue Paracorr. Ha,Hb+OIII: 9x300sec with Astronomik UHC-filter. Stacking,averaging, enhancing in AstroArt, PixInsight SE and Photoshop CS2
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