I agree the transliteration that you found is pretty bad. I have corrected it to match the way the pundits that I know recite it. I will try to find it in Sanskrit for you.
Sudharshana Gayatri Mantra Om Namaschakraya Vidmahey Sahasra Jwalaya Dheemahe Tanno Sudarshana Prachodayaat Sudharshan Maha Mantra OM Kleem Krishnaya Govindaya Gopi Jana Vallabhaya Paraya Parama Purushaya Paramathmane Para Krama Para Mantra Tantra Yantra Aushada Ashtra Sasthrani Samhara Samhara Mrythyor Mochaya Mochaya Om Namo Bagavate Maha Sudharshanaya Dheepthre Jwalaah Pareethaya Sarvathik Shobana Karayah Hoom Phat Parabramane Param jyotishay Saharadha Hoom Phat Swaha Frequently the priests usually add another mantra for Narasimha which I don't know, but the effect is quite nice. There are a lot of variations, but the above is the basic one. To subscribe, send a message to: [EMAIL PROTECTED] Or go to: http://groups.yahoo.com/group/FairfieldLife/ and click 'Join This Group!' Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/FairfieldLife/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/