Embry-Riddle Observatory

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Sharpless 2-240 Nebula

Mosaic_W(12frames)&E(17frames)_auto&snap_rotatedcropped_DDP(270-300)LPM25KUSH(25-60K)90%.jpg The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)The Constellation Cygnus and Its NebulaThumbnailsTriangulum Galaxy (M33)

The Sharpless 2-240 nebula, a remnant of a supernova that occurred approximately 40,000 years ago and about 3000 light years from us.

Image Details
Takahashi FSQ telescope
SBIG STL11000 CCD
Ha filter
2 panel mosaic
17 x 30min per panel