M8, The Lagoon Nebula, 29th June 2008, in false colour Halpha 7 x 600secs, O3 8 x 600 secs, S2 6 x 600secs (Total = 3.5 hours), Halpha reused as Luminance at 80% Full size (1472 x 1120 pixels) (0.3 Mbytes)