NGC 7822 nebula (Cepheus constellation)

Nébuleuse NGC 7822 dans la constellation de Céphée

DESCRIPTION

NGC 7822 a giant molecular cloud with younger stars and cosmic pillars of gas and dust. In the constellation Cepheus, this star forming region lies about 3,000 ly away.

Credit : APOD and Wikipedia informations

ACQUISITION

 

Date

23-24-25/07/2012– Lozère (France)

Telescope/Optics

Takahashi FSQ 106ED

Mount

Takahashi EM200

Camera CCD

SBIG STL 4020M

Focuser

Robofocus/focus@ CCDsoft

Filters

Ha/SII/OIII 5nm Astrodon filters

Guidage

Off-axis MMOAG

IMAGING PROCESS

 

Exposures

Ha(22*20min) SII(22*20min) OIII(22*20min)

Total : 22 heures

Out temperature : 7°C

In CCD temperature : -25°

Softwares for acquisition

Robofocus, MaximDL, TheShy6 Pro, CCDAP 4 Pro, CCDinspector

Softwares for digital image processing

Calibration, Stack and Color with CCDstack

Image processing with PixInsight 1.7

Site and all contents copyright©2011 Gérard Finet