[Karls48 (Karl)]

Originally Posted by pgc hunter

The problem is haze i.e. transparency, not actual atmospheric seeing. Haze is a problem in the tropics due to humidity and relatively stagnant air, unlike here in the south where humidity is low and there is more wind to disperse particulate matter. That same stagnant still air however is creating good seeing.

Yes, transparency was not good, especially around the harvest time. At that time local farmers burn rice straw. Close to the horizon you cannot see stars at all at times. If I had telescope there I would not bother to point it lower then 45 deg.