AMATEUR ASTRONOMY PAGES
Javier Gómez Laina                                                
                                                                    ngc884 & 889  -  Perseus Double Cluster
(click on the image for a larger size)

            

Object:             Double open cluster in Perseus    
Telescope:       COMELLAS-2  telescope (250 f/5.4 Newton) TV Paracorr, LPS filter.
Camera:           Canon 350d  modified (infrared filter removed)
Exposures:       23 x 300"   (1:55 total exposure)  ISO 400
Resolution:       0.97"/pixel  (largest image)
Date:                11 Jan 2007
Guiding:           MX716 on 2x barlowed TV-76
 

Processing:

Darks & Flat calibration
SDMask combining
Dynamic Background Extraction (sky gradient correction)
Histogram and Curves adjust


Software:
ImagesPlus, PixInSight, PhotoShop.