The present invention provides ultraviolet absorbing compounds, and photographic elements containing them, which ultraviolet absorbing compound has a peak absorption at less than 400 nm and has the formula below: ##STR2## wherein: {HEAD ~ X} is O or {TAIL ~ NR8}, Z represents the atoms necessary to complete a 5 membered or 6 membered heterocyclic ring which includes X and N, and the 3 position of the pyrazolone ring may independently be substituted or unsubstituted 
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The present invention provides ultraviolet absorbing compounds , and photographic elements containing them , which ultraviolet absorbing compound has a peak absorption at less than 400 nm and has the formula below : # # STR2 # # wherein : { HEAD ~ X } is O or { TAIL ~ NR8 } , Z represents the atoms necessary to complete a 5 membered or 6 membered heterocyclic ring which includes X and N , and the 3 position of the pyrazolone ring may independently be substituted or unsubstituted
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