AMATEUR
ASTRONOMY PAGES
Javier Gómez
Laina
M3
in Canes
Venatici
(click on the image for a full
resolution M3 wide
field - 534
Kb)
Object:
M3 -
Globular Cluster
Telescope:
COMELLAS-2 telescope (250
f/4.8 Newton). Lumicon coma corrector, LPS filter.
Camera:
Canon 350d modified (infrared filter removed)
Exposures:
90 x
300" (7:30 total
exposure) ISO 400
Resolution:
1.21"/pixel (largest size)
Date:
4 & 6 Jun 2007
Guiding:
MX716 on Off-Axis Guider
Processing:
Bias, Darks & Flat calibration
SDMask combining
Dynamic Background
Extraction (sky
gradient correction)
Histogram, Curves and wavelets adjust
Software:
ImagesPlus, PixInSight, PhotoShop.
