| M8, NGC6523 The Lagoon Nebula Constellation: Sagittarius (The Archer), RA 18h 03.8m DEC -24d 23m Distance: 5,200 light years, Visual Magnitude: 3.00, Diameter: 90 x 40 arc mins Transits at the end of twilight at 0:00pm 00 Month, Elevation 00 degrees, due South |
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| - Imaged on 20090725 - 250mm, 10" F/4.7 Newtonian Reflector - 300 video frames with IR/UV blocking filter at x128 integration - Bahtinov focusing mask - rough polar alignment, waxing crescent moon, poor seeing, elevation about 60 degrees - aligned, stacked and sharpened in Registax 5.0 - levels adjusted in Photoshop 7.0 |