Photo credit: Michael Yon
No, you aren’t looking at a special Photoshop filter called Kopp-Etchells, but rather it’s “a result of dust striking helicopter blades as they take off or land at night, causing a bright ‘halo’ effect around the spinning rotor disk.” Click here for more pictures.
[Sources 1 | 2]
Photo credit: Michael Yon
No, you aren’t looking at a special Photoshop filter called Kopp-Etchells, but rather it’s “a result of dust striking helicopter blades as they take off or land at night, causing a bright ‘halo’ effect around the spinning rotor disk.” Click here for more pictures.
[Sources 1 | 2]