English translate: : This video was recorded on October 1, 2011, on the beach of El Canelo, in Valparaiso, Chile.
I was filming the sunset when suddenly began to “emerge” this kind of arm of “smoke” from the horizon, left diagonally upward, seemed to leave just the sun, but after it “hide” on the horizon, this phenomenon continued to rise and growing.
After some minutes it did a breakthrough tour of about 45 ° to the opposite direction and continued to rise.
At first I thought it was a rocket or something similar, but I couldn’t see the tip or head generating of this smoke or fire trail, just did not have a body.
The phenomenon lasted about 40 minutes, then went vanishing the wake until dark.”
‘Extraño fenómeno en el cielo 1-Oct-2011’
Source and author: Sheilaaliens (youtube)