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.