Antilhue - Chile
Antilhue - Chile
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| Designation | M 20, NGC 6514, the Trifid Nebula |
| Object type | Galactic emission + reflection nebula |
| Coordinates | 18h03m - 23°02' |
| Constellation | Sagittarius (Sgr) |
| Description | A beautiful combination of
emission (red) and reflection (blue) nebulosity about 25 arcmin in
diameter. Visually the emission part shows three of the four lobes, hence
the name Trifid. Distance: about 5000 lightyears.
A wide field image taken with a 6" refractor is here. |
| Exposure | LRGB 60:30:30:30 min @ -18°C, RGB binned 2x2, all exposures 5 min |
| Camera | SBIG ST-10XE selfguided + CFW8 with Astrodon Tru-Balance LRGB filter set. |
| Optics | RCOS 14.5" Ritchey-Chrétien with AP 0.67X reducer working at f/6.56 |
| Mount | Astro-Physics AP1200GTO |
| Software | MaxIm DL/CCD, DeBloomer, Sigma Pre Beta 11, Adobe Photoshop CS |
| Location - Date - Time | San Esteban (Chile) - 25May04 @ 06:00 UTC |
| Conditions | Transparency 8, Seeing 7, Temperature + 4°C |
