Pacman Nebula (Constellation Perseus)

La nébuleuse Pacman dans la constellation de Persée  (NGC 281)

DESCRIPTION

NGC 281 is an H II region in the constellation of Cassiopeia and part of the Perseus Spiral Arm. It includes the open cluster IC 1590, the multiple star HD 5005, and several Bok globules. Colloquially, NGC 281 is also known as the Pacman Nebula for its resemblance to the video game character.

Credit : APOD and Wikipedia informations

ACQUISITION

 

Date & Location

1, 2, 7 Aout 2010 – 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

Off-axis MMOAG (Astrodon) STL remote guider TC-237H

IMAGING PROCESS

 

Exposures

Ha(12*15min) SII(12*15min) OIII(12*15min)

Total : 9h

Out temperature : 16°C

In CCD temperature : -20°

Softwares for acquisition

Robofocus, Focusmax, CCDsoft V5, TheShy6 Pro, CCDAP 4, CCDInspector

Softwares for digital image processing

Calibration, Registration, Color stack with CCDstack 1.0 (CCDIS plug-in)

Full processing with PIXINSIGHT Core version 1.6


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