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.
