... (ASAS-SN)¹ http://www.astronomy. ohio-state.edu/ assassin/index.shtml

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... ATLAS² http://fallingstar.com/home.php

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... (TNS)³ https://wis-tns.weizmann.ac.il/object/2018ebt

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... IRAF⁴ IRAF is distributed by the National Optical Astronomy Observatory, which is operated by AURA under cooperative agreement with the National Science Foundation.

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... database⁵ https://catalogs.mast.stsci.edu/panstarrs/

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... (OSC)⁶ https://sne.space/

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... 2018ebt⁷ http://ned.ipac.caltech.edu

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