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NGC 6992 (Caldwell 33) - Veil Nebula in Cygnus (Eastern segment - Halpha 4 image mosaic)

Telescope: Televue 4" GENESIS @ F/5
Camera: SX MX716 + Vixen 60mm F/11 guide scope with SXV head
Exposure: Ha= 5x240s
Taken: 30/08/2010