Atmospheric emissions of atomic and molecular oxygen have been observed since the middle of 19th century. In the last decades. it has been shown that emissions of excited oxygen atom O(1D) and molecular oxygen in electronically−vibrationally excited states O2(b1Σ+g. v) and O2(a1Δg. https://chefesquipmenters.shop/product-category/napkin-holders-dispensers/