Image courtesy of SOHO/EIT consortium. SOHO is a project of international cooperation between ESA and NASA.

Updates & Errata

Following edits have been made to this Web-document since its original publication in Herpetomania Vol. 13, No 3-4, 2004. These edits are not included in the downloadable PDF.


A new study is now underway to establish interrelation between D3 Yield Index and UVB-induced photoconversion of 7-DHC to its photoproducts.


The time for hazardous dose of UV radiation for Active UVHeat was reported only half of the true value. Corrected here.