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 This pacakge is used to generate region masks separating any focused X-ray flux from background signal in NuSTAR observations.
 
-Reference paper: "Wavelet-based image decomposition method for NuSTAR stray light background studies" [arXiv:2310.10516](https://arxiv.org/abs/2310.10516) | [NASA ADS: SciX](https://scixplorer.org/abs/2023JATIS...9d8001M/abstract)
+Reference paper: "Wavelet-based image decomposition method for NuSTAR stray light background studies" [arXiv:2310.10516](https://arxiv.org/abs/2310.10516) | [NASA ADS](https://scixplorer.org/abs/2023JATIS...9d8001M/abstract)
 
 ## Installation
 This package is to be used with Python 3.x.x