AMATEUR ASTRONOMY PAGES
Javier Gómez Laina                                                
                                                        Bubble  nebula  &  M52  in  Cassiopeia
               (click on image for a larger size)



Object:             ngc7635  -Bubble nebula-    M52  (upper left) & Czernik 43  (bottom left)
Optics:             Home made 250 f/5.4 carbon-fiber tube Newton. TV Paracorr & IDAS LPS filter.
Camera:           Canon 350d  modified (infrared filter removing)
Exposures:       47 x 300"  ;   3h:55' total exposure
ISO:                 800
Date:                4 Oct 2005
Mount:              Home made aluminium fork controled by Mel Bartel's design system.
Guiding:           MX716 on
2x barlowed TV-76

 

Processing:

ImagesPlus:
Darks, Bias & Flat calibration; average combining.
Digital Development Processing (DDP).

Registar:
images aligning

PixInSight:
Dynamic Background Extraction (sky gradient correction)

PhotoShop:
Curves  adjust.
LRGB combining (grayscale image as luminance)
Noise removing with Grain Surgery Plug-in

AstroArt:
Smart Star Bloat Deconvolution on luminance channel