Keenan's system

[stargazer]

hi guys,
here is another collaborative result from Austria:
Martin has collected some great data on the Keenan's system.
after dark-flat subtract, alignment and stacking conducted by Martin, I was privilegd to process the files.
here is all data and all the images FYI:
http://www.stargazer-observatory.com/5216-martin.html
let me also draw your attention to a fascinating artice written by Tammy Plotner from UT on this interactive pair:
Bridge Across Space: "Keenan's System" by Martin Winder and Dietmar Hager | Universe Today
thanks for looking!