Sh2 308 -- then and now
The nebula Sh2 308 is an interstellar 'bubble' blown by HD 50896, the Wolf-Rayet star at its heart. I carried out a study of this system (very!) many years ago, as an early-career researcher; it's salutory to see how much progress has been made in imaging in the interim.
Second image from https://ui.adsabs.harvard.edu/abs/1986MNRAS.222..809H/abstract
TLPOD 2/9/23 :)
SPECIFICATIONS
Telescope
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Camera
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Location
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Date of observation
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Date of observation
2021/04
Filters
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Processing
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Processing
PixInsight w/noiseX, blurX plugins, final tweaks with CS6
Credits
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