AMATEUR
ASTRONOMY PAGES
Javier Gómez
Laina
M20 in Sagittarius
(click on image for a larger size)
Object:
M20 "Trifid nebula" - emission & reflection nebula
-
Telescope:
COMELLAS telescope (250
f/5.4 Newton) TV Paracorr, LPS
filter.
Camera:
Canon 350d modified (infrared filter removing)
Exposures:
61 x
300" (5:05 total
exposure)
ISO:
400
Date:
25 & 30 Jul 2006
Guiding:
MX716 on 2x barlowed TV-76
Processing:
Darks & Flat calibration
SDMask combining
Dynamic Background
Extraction (sky
gradient correction)
Wavelets filter
Masked Histogram and Curves adjust
Software:
ImagesPlus, PixInSight, PhotoShop.
