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NGC7635

NGC7635's bubble, around 10ly diameter, is a star remnant illuminated gas cloud c 11,000ly distant.

NGC7654 (M52) lower right is an open cluster of undetermined distance*

NGC7538 lower left is bright nebula

Up is 5˚ E of N

All processing with PixInsight

77 x 180Sec + 30 x 300 Sec

, over multiple nights.

BIAS and Optimised DARK files used for calibration**.

ASI294MC, Esprit ED80, AVX mount.

 

 

*Current estimates are 3.5-5.0ly due intervening gas clouds

**There is an unresolved issue with FLATS for the relevant nights

 

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Uploaded on September 28, 2022