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지티에프 (ZTF, C/2022 E3) 혜성의 근일점 통과.
2023 Jan. 12, Comet C/2022 E3 (ZTF) at Perihelion.
http://cometsky.com/astronews/comet_2022e3_ztf_lc_230112_med_cobs_bsyeom.jpg
Discovery Date : 2 March 2022. Discovery Magnitude : 17.3 mag. Discoverer : Zwicky Transient Facility (ZTF). Perihelion : 12 January 2023 ― 166 million km (1.11 AU), ~ 6.8 mag. Closest approach to Earth: 1 February 2023 ― 42 million km (0.28 AU), ~ 5.0 mag.
Image Credit: COBS Comet Observation Database, Bum-Suk Yeom(염범석). 
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