AMATEUR ASTRONOMY SITE
Javier Gómez Laina                                                                      North America & Pelican nebulas  in  Cygnus
                               (click on image for a larger size)

Object:             ngc7000  &  ic5067  - emission nebula -
Optics:             TeleVue TV-76 with 0.8x reducer  (f 384mm). IDAS LPS filter.
Camera:           Canon 350d  DSLR modified (infrared filter removing)
Exposures:       1 x 2 mosaic -  43 x 240" each frame ;   344' total exposure
ISO:                  800
Date:                26 & 30 Jul 2005
Guiding:            MX716 on Celestron C-8
 

Processing:

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

Registar:
images aligning

<>MaximDL:
mosaic combine

PhotoShop:
Curves and Levels adjust.
Noise removing with Grain Surgery Plug-in

PixInSight:
Dynamic Background Extraction (sky gradient correction)