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Chi Cygni

Mira Variable in Cygnus

Right Ascension 19 : 50 : 33.8 (h:m)

Declination +32 : 54 : 51 (deg:m)

Distance 590 +/- 120 (ly)

Visual brightness 3.3 .. 14.2 (mag)

Period 406.93 (days)

Spectra type S6.2-10.4e

Right Ascension	19 : 50 : 33.8 (h:m)
Declination	+32 : 54 : 51 (deg:m)
Distance	590 +/- 120 (ly)
Visual brightness	3.3 .. 14.2 (mag)
Period	406.93 (days)
Spectra type	S6.2-10.4e

Chi Cygni info from Jim Kaler's Stars (Star of the Week) pages
AAVSO data for Chi Cygni - Ephemeris
Publications on Chi Cygni (NASA ADS)
SIMBAD data for Chi Cygni

Recent maximum of Chi Cygni:

2012: Mar 15
2013: May 09, 06:00
2014: Jun 21, 07:11
2015: Aug 03, 08:23
2016: Sep 14, 09:35
2017: Oct 27, 10:47
2018: Dec 09, 11:59
2020: Jan 21, 13:11
2021: Mar 04, 14:23
2022: Apr 16, 15:35
2023: May 29, 16:47
2024: Jul 10, 17:59
2025: Aug 22, 19:11

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Hartmut Frommert
Christine Kronberg
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