First read this:
www.badastronomy.com...
The third shot was taken ... the black out area is the sun.
www.detailshere.com...
Area "blacked out" in coronograph is actually wider than sun's diameter.
And that big object would make orbits of every planet go haywire.
Also big planets are made from gas and they don't have surface with craters...
And you might want to read about prominences which are huge hydrogen clouds which rise from chromosphere and are supported by magnetic field.
antwrp.gsfc.nasa.gov...
csep10.phys.utk.edu...