Reg-your question about the nature of penance.
1.You can do penance for 6months ,by observing fast
once in a week.On the day of fast,you can eat any number
of uncooked vegetables.
2.Second type of penance is avoiding milk products,sweets,
sweet fruits,nonveg,fish,eggs,dry fruits,liquors for 6months.
You can take other types of foods.
3.see in google-penanc method to clean horoscope. firstname.lastname@example.org