spaceflightnow.com/news/n0311/29rugbyball/
"The VLTI observations brought the astronomers a surprise. They indicate that the wind around Eta Carinae is amazingly elongated: one axis is one-and-a-half times longer than the other! Moreover, the longer axis is found to be aligned with the direction in which the much larger mushroom-shaped clouds (seen on less sharp images) were ejected."
The article is base on a letter to Astronomy and Astrophysics by R. van Boekel and several other scientists using the VLT. The paper is only 5 pages long and fairly readble,
www.arxiv.org/abs/astro-ph/0310399
Cheers,
~Al