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The Sadr region is the name of the nebulosity that surrounds the brilliant center star of Cygnus' cross. Here, the massive supergiant estimated to contain over 10 times the mass the sun in a radius 150 times as wide glows triumphantly in the center of the frame.
Telescope:   Svbony sv503 70ED
Length:   336mm
Aperture:   70mm
F-stop:   f/4.56
Sessions:   1
Captured:   2022-09-30
Lights:   100
Exposure:   180
Total exposure:   5 h
Ra:   20h 22m 14.9s
Dec:   +40° 16' 25.127
Size:   196.444 x 133.075 arcmin
Radius:   1.977 deg
Scale:   1.901 arcsec/pixel