| M20, NGC6514 The Triffid Nebula (aka Clover Nebula) Constellation: Sagittarius (The Archer), RA 18h 02.5m DEC -23d 02m Distance: 5,000 light years, Visual Magnitude: 6.3, Diameter: 20 x 20 arc mins Transits at the end of twilight at 0:00pm 00 Month, Elevation 00 degrees, due South |
 |
| - 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 |