IC 1805 (Heart Nebula)

       

Click here to enlarge full size SII Ha OIII image

Click here to see the labeled and annoted image NEWS

 

DESCRIPTION

 

Heart nebula (IC 1805) is a diffuse emission nebula in the constellation Cassiopeia

7500 light years
Apparent dimensions :60.0'x60.0'

 

ACQUISITION

 

 

 

Date

 

12.10.2007

 

Telescope/Optics

 

Takahashi FSQ-106ED

 

Mount

 

Takahashi EM200 USD

 

Camera CCD

 

SBIG STL 4020M

 

Focuser

 

Robofocus

 

Filters

 

Astrodon SII Ha (6nm) OIII

 

Guidage

 

FS60C + remote guider

 

IMAGING PROCESS

 

 

 

Exposures

 

36 images @ 5 min ( total: 180 min) / layer. 9 h total

 

Softwares for acquisition

 

Robofocus, FocusMax, CCDsoft, TheSky6 Pro, CCDAutoPilot 3 Pro

 

image processing

 

Calibration, regitration, stacking, color CCDstack, PixInsight + Adobe Photoshop CS.

 

 

 

 

Photo publiée dans la revue Astronomie Magazine d'avril 2008.

 

 

 

 

 

         
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