The 11 th Asian-Pacific Astronomy Olympiad (November 2015) : . ... Only students did not participated at the IAO-2015 may participate in the APAO-2015 (that is a student may participate in the 20 th IAO or in the 11 th APAO but not in both of these Olympiads). ... National representation quota at APAO-2015 is (up to) 8 students and 2 team leaders (the same number is at the Asian Physics Olympiad): not more than 4 participants for the group Alpha, not more than 4 participants for the group Beta. ...