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
