Observation by Gary Poyner: Max/Min of chi Cygni 2021

Uploaded by

Gary Poyner

Observer

Gary Poyner

Observed

2021 Nov 26 - 14:06

Uploaded

2021 Nov 26 - 14:13

Objects

Lightcurve
χ-Cyg
Variable star

Equipment

10x50B, 22cm f/6.2 Newtonian, 51cm f/4 Newtonian

Location

Birmingham, UK

Target name

chi Cygni

Title

Max/Min of chi Cygni 2021

About this image

Maximum and Minimum of the Mira star chi Cygni in 2021.

Max: March 17 at magnitude 4.7 visual

Min: October 23 at magnitude 13.1 visual

Minimum occuring some 405 days following the minimum of 2020 (VSX period 408.5d)

Decline rate of 230d similar to 2020 (225d)

Maximum brightness 0.5 mag brighter than 2020 and minimum 0.4 magnitude brighter.

Files associated with this observation

chicyg2021.png (10.3 kB)

Like this image

Peter Mulligan, Jeremy Shears, Grant Privett, Graham Winstanley, Mike Harlow, Andy Wilson

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