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NGC 6559 - 3 - T 33
NGC 6559, a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation Sagittarius, showing both emission (red) and reflection (bluish) regions. Ritchey-Chrétien Telescope - Closed Carbon Tube 320/2885 F/9, camera
CCD: Apogee Alta U16, 18 minutes of exposure in RGB, 360 seconds for each filter, on Paramount ME mount by itelescope.net, processing with Pixinsight and Photoshop
NGC 6559 - 3 - T 33
NGC 6559, a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation Sagittarius, showing both emission (red) and reflection (bluish) regions. Ritchey-Chrétien Telescope - Closed Carbon Tube 320/2885 F/9, camera
CCD: Apogee Alta U16, 18 minutes of exposure in RGB, 360 seconds for each filter, on Paramount ME mount by itelescope.net, processing with Pixinsight and Photoshop