Om Shiva

Sri Kala Bhairava Ashtakam - Sri kala bhairava is a form of lord shiva.
Shiva also called as rudra is worshipped in many forms like kala bhairavar, muithyunjayar, chokan,kedarnath etc..
Lord shiva is popularly worshipped in linga form popularly called as siva lingam.
Saturn/Shani bhagavan is controlled by lord shiva.
Sukran/venus also is influenced by lord shiva.

Om shiva Om Shiva Paraatparaa Shiva
Omkaaraa Shiva Tava Sharanam
Namaami Shankara Bhavanni Shankara
Umaa Maheshwara Tava Sharanam (Om Shiva)
Gowrii Chankara Shambho Shankara
Saamba Sadaa Shiva Tava Sharanan (Om Shiva)