Nebulosity in Corona Australis (NGC 6726...)

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About this Image

The reflection nebulosity NGC 6726/6727/6729 and IC 4812 are embedded in a wide bow of dark clouds of dust near Gamma- and Epsilon-Corona Australis. To the northeast the globular cluster NGC 6723 is situated.
North is up.

Below you see a crop at the center of the reflection nebulosity in 35/70% size.

clic for 70% size (144 kB)


Technical Details
Optics

105mm TMB refractor with flattener at f/6.5

Mount AP-400 GEM
Camera SBIG STL-11000M at -25C, internal filter wheel
Filters LRGB
Date Aug 13, 2004.
Location Hakos/Namibia
Sky Conditions mag 6.5, high transparency, temperature 10 C,
Exposure LRGB= 15:15:15:15 min (5-minute sub-exposures)
Processing Image aquisition and calibration in Maxim DL 4.0; DDP and color synthesis in ImagesPlus;
Photoshop: curves, color balance, cropped;