Veil nebula
The Veil nebula in the constellation of Cygnus (NGC 6992)
DESCRIPTION |
The Veil nebula (NGC6992) is a Shell-like supernova remnant (SNR) is the structure resulting from the gigantic explosion of a star in a supernova. The supernova remnant is bounded by an expanding shock wave, and consists of ejected material expanding from the explosion, and the interstellar material it sweeps up and shocks along the way. |
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ACQUISITION |
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Date |
8, 9, 17 Juillet 2008 – Lozère, France | ||
Telescope/Optics |
Takahashi FSQ 106ED | ||
Mount |
Takahashi EM200 | ||
Camera CCD |
SBIG STL 4020M | ||
Focuser |
Robofocus/FocuxMax | ||
Filters |
Ha/SII/OIII Astrodon filters | ||
Guidage |
Yes, FS60C remote guiding head SBIG | ||
IMAGING PROCESS |
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Exposures |
Ha(31*5min) SII(26*5min) OIII(35*5min)
Total : 7h40. Out temperature : 6°C. In CCD temperature : -25°
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Softwares for acquisition |
Robofocus, Focusmax, CCDsoft V5, TheShy6 Pro, CCDAP 3 Pro, CCDInspector | ||
Softwares for digital image processing |
Calibration, Registration, Color stack with CCDstack 1.0 (CCDIS plug-in). Level and curves adjustements with Photoshop CS3. Final processing with PIXINSIGHT 1.2 |