Mosaic images of the core of M33

H band mosaic images of the core of M33 with field lens out (top) and field lens in (bottom). These images obtained on August 18, 2005 under favorable turbulence conditions within a period of 30 minutes. Field of view is 38.0 x 6.5 arcseconds at f/32 using the core of M33 (approximate R magnitude of 14.5) as a guide source.