The beautiful Eta Carina nebula with star clusters, NGC3532 and 3293 nearby.
Details
2011-03-01 at La Ensenada lodge, Costa Rica.
Very clear night after 9pm with excellent seeing, 25 deg C, no wind.
Astrotrac mounted modified Canon T1i camera with 70-200mm lens at 192 mm focal length.
Exposure - 29 light and 39 dark frames at f/4 and ISO 400 for 120s each.
Processing in Images Plus and Photoshop.