This dataset contains 4 video files exported at HD 720 resolution for underwater video transects collected onboard RV Celtic Explorer during CE0915 research cruise between 1-21 September 2009. The attribute table of the corresponding shapefile contains links to video footage for each of the ROV dives, which can be viewed on YouTube. In total, 4 video transects have been recorded: 2 in Whittard Canyon and 2 on the Northwest Porcupine Bank. Link to cruise report (Guinan, J. and Leahy, Y. (2010) Habitat Mapping of Geogenic Reef Offshore Ireland. Report prepared by the Marine Institute, Galway, Ireland and Geological Survey of Ireland to the Department of the Environment, Heritage and Local Government s National Parks and Wildlife Service.): http://data.marine.ie/data/IrelandsSeabedCatalogue/CE2009/NPWS Offshore SAC Project March 2010.pdf None