Surya Siddhanta
याम्यगोलाश्रिताः कार्याः कक्षाधाराद् द्वयोर् अपि। याम्योदग्गोलसम्स्थानाम् भानाम् अभिजितस् तथा॥
And situated in the southern hemisphere, are to be made and fastened to the two hoop-supporters. Those likewise of the asterisms (bha) situated in the southern and northern hemispheres, of Abhijit -
english translation