Antilhue - Chile
Antilhue - Chile
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| Designation | Lagoon Nebula, M 8 (top) - Trifid Nebula, M 20 (left) - IC 4685 group (lower right) - M 21 (lower left) - NGC 6544 (extreme right) |
| Object type | Combination emission and reflection nebulae - Open and globular clusters |
| Coordinates | 18 h 06 min -23° 35' (Sgr) |
| Description | Each one of these three nebulae
is a spectacular object in its own right and together they make up one of
the nicest areas in the night sky. The open cluster Messier 21
sparkles below red-blue M 20, while globular cluster NGC 5644 seems to be
embedded in the Sagittarius star cloud on the right. Click on the above image for higher resolution (2004 x 1336 pixels). There are also close-ups of M 8, M 20 and IC 4685 |
| Exposure | LRGB 60:40:40:40 min @ -25°C |
| Camera | SBIG STL-11000 with Astronomik Type II filter set, selfguided |
| Optics | Astro-Physics Traveler AP105EDF f/5.9 with field flattener, prime focus |
| Mount | Astro-Physics AP900GTO |
| Software | MaxIm DL/CCD, Sigma Pre Beta 11, Registar, Adobe Photoshop CS |
| Location - Date - Time | San Esteban (Chile) - 11Sep2004 - 01:30 UTC |
| Conditions | Transparency 5, Seeing 5, Temperature + 7° C |
