AMATEUR ASTRONOMY PAGES
Javier Gómez Laina                                                
                                                           IC5146  "Cocoon" nebula  in  Cygnus
                     (click on image for a larger size)


Object:             IC5146    - emission nebula -  &  Barnard 168  - dark nebula -
Optics:             TeleVue TV-76  with 0.8x  reducer (f 384mm). IDAS LPS filter.
Camera:           Canon 350d  modified (infrared filter removing)
Exposures:       19 x 1000"  ;   5h:16' total exposure
ISO:                 200
Date:                25 Sep 2006
Mount:              Home made aluminium fork.
Guiding:           MX716 on
250 f/4.8 Newton

 

Processing:

Darks, Bias & Flat calibration
SDMask combining
Dynamic Background Extraction (sky gradient correction)
Wavelets filter
Masked Histogram and Curves adjust


Software:
ImagesPlus, PixInSight, PhotoShop.