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Sh2-188 Dolphin nebula

drjolo

By drjolo
in Imaging - Deep Sky

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drjolo

drjolo

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Sh2-188 is quite interesting planetary nebula in Cassiopeia. Its shape is very asymmetric due to the interaction with interstellar medium. It is considered to be one of the most extreme examples of planetary nebula and interstellar medium interaction. Supernovae remnants are often much more distorted, but they also live longer than planetary nebulae. 

Data captured at my backyard setup with Meade ACF 10" f/10, CCDT67 reductor, EQ6 mount and QHY163M camera. It is HaO3RGB composition, about 400 minutes of total exposure time under suburban sky with medium seeing. 

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