*"They are both lens flares." * 1.)  I do'nt think so.  You can see what needs be selected, and then what becomes active, when I want to move that big spark. * "If you want to see the sun, increase the "sun size" in your atmosphere..."

*2.)  I can already see the sun; and when I do increase the Sun Size, it is that big spark that get bigger and brighter. 

*"...and turn off lens flares to get an accurate representation of what you're looking at."

*3.)  It is'nt on.