AMATEUR ASTRONOMY PAGES
Javier Gómez Laina                                                
                                                                    M57  in Lyra

            


Object:             M57     - planetary nebula -    
Telescope:       COMELLAS  telescope (250 f/5.4 Newton) TV Paracorr, LPS filter.
Camera:           Canon 350d  modified (infrared filter removing)
Exposures:       64 x 300"        (5:20 total exposure)
ISO:                 400
Date:                19 Jul 2006
Guiding:           MX716 on 2x barlowed TV-76
 

Processing:

Darks & Flat calibration
SDMask combining
Dynamic Background Extraction (sky gradient correction)
Wavelets filter
Digital Development Processing (DDP)
Masked Curves adjust


Software:
ImagesPlus, PixInSight, PhotoShop.