Celestial hemisphere:  Northern  ·  Constellation: Cygnus (Cyg)  ·  Contains:  NGC 6910  ·  The star Sadr (γCyg)
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NGC6910 + IC1318b Ha Mosaic, andrea tasselli
NGC6910 + IC1318b Ha Mosaic
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NGC6910 + IC1318b Ha Mosaic

Getting plate-solving status, please wait...
NGC6910 + IC1318b Ha Mosaic, andrea tasselli
NGC6910 + IC1318b Ha Mosaic
Powered byPixInsight

NGC6910 + IC1318b Ha Mosaic

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Description

Part of a batch of tests to investigate the viability of some old gear of mine (e.g. the Nikkor lens is over 40 years old and the SX imager is just about 18) for resumed use. Apparently they do. The flaring you can see in the stars' PSF is due to unforeseen loss of tightness between the SX flange adaptor and the lens causing a modest wedge (between 0.05mm and 0.1mm) but large enough to cause the flaring. The image is a mosaic of two frames. One day I might be able do gather some colour exposures to match and produce a H-alpha enhanced images of this zone of the Cygnus Wall.

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