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Sh2-114 – Flying Dragon Nebula

Sh2-114, known as the Flying Dragon Nebula, is a faint H-alpha emission nebula located about 4,400 light-years away in the constellation Cygnus. It shows an extremely complex filamentary structure whose morphology and dynamics have led to debate about whether it is an ancient supernova remnant or interstellar gas shaped by strong stellar winds.

General information

Constellation
Cygnus
Category
Nebulae
Date
4 July 2026

Capture

Total time
10h 25min
Subframes
300s (Ha: 125x) bin1
Gain / Offset
125 / 30
Calibration
30 flat frames, 30 dark-flat frames and 40 library dark frames, without bias frames

Equipment

Telescope
TS102ED f/5.6
Camera
ASI294MM at -10ºC
Filters
Ha Astronomik, 6 nm
Mount
Sky Watcher Wave 150i
Guiding
PHD2, Guide scope 60mm/f4 + ASI220MM + PegasusAstro UCH + PPBMicro
Focuser
ZWO EAF
Filter wheel
ZWO EFW 7pos

Processing and environment

Processing
Stacked and post-processed with PixInsight 1.9.3
Acquisition
NINA
Location
l'Ampolla
Sky
Bortle 4

Additional versions

Starless versionStarless version that reveals more clearly the filamentary structure and diffuse emission regions of Sh2-114.
Post-processing workflowDiagram of the PixInsight workflow used to produce the final image.