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Sh2-106 (Cyg)
Click on the image for a larger version
| Date/Site: |
30. August, 1. and 2. September 2025, e-EyE |
Exposure/
Filter: |
R: 22 x 180 seconds,
G: 15 x 180 seconds,
B: 17 x 180 seconds,
L: 39 x 300 seconds,
Hα: 40 x 300 seconds,
O3: 35 x 300 seconds (-5°C) |
Camera/
Optics/
Instrument: |
ASI 2600MM Pro with Astronomik Type 2c-filters on 400mm f/5 Newton with 2" TS Comacorrector on AP1200 GTO |
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Data acquired remotely using N.I.N.A.,
Off-Axis-Guiding with ASI120,
Focusing with Microtouch,
Calibration with MaximDL 6, processing in PixInsight 1.8 using BXT and GraXpert |
The bipolar nebula is created by two jets ejected by a massive star that formed a few (100,000) years ago. These jets heat the gas surrounding the star to over 10,000 degrees Celsius, causing it to glow. During star formation, a disk of dust formed, obscuring the star.
While the nearly three hours of O3 frames do show a signal, it was masked during image processing by the much stronger H-alpha signal.
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© Friedhelm Hübner, last revision: 02.12.2025