Hydrogen Alpha version
HaOIIIRGB version
SHOrgb version
Click for larger images
| Catalogue and alternative designations | NGC
6188 and NGC 6193
|
| Type | Emission nebula and open cluster |
| Position | 16 40 05, -48 47 |
| Constellation | Ara |
| Camera and Telescope | STXL6303 and 36.8cm RCOS Ritchey Chretien |
| Focal Ratio | F9 |
| Exposure Details | Hydrogen
Alpha = 300 minutes using 3nm
Chroma filter, Oxygen III = 340
minutes (Astrodon series 1
filter), Sulphur II = 340
minutes, Red = Green = Blue = 35
minutes (Astrodon filters).
Colour version is HaOIIIOIII
layered with RGB. The SHO (Red =
Sulphur II, Green = Hydrogen
Alpha, Blue = Oxygen III)
version is layered with the RGB
exposure to produce more natural
looking stars.
|
| Description | A
combination of faint emission
nebulosity and a bright but
scattered open cluster. The
complex is about 4000 light
years distant.
|