Observation by Gary Poyner: chi Cyg 2021-2023

Uploaded by

Gary Poyner

Observer

Gary Poyner

Observed

2023 Jul 14 - 14:27

Uploaded

2023 Jul 14 - 14:44

Objects

Lightcurve
χ-Cyg
Variable star

Equipment

10x50B
22cm f6.2 Newtonian dobsonian
51cm f4 Newtonian dobsonian

Location

Birmingham, UK

Target name

chi Cygni

Title

chi Cyg 2021-2023

About this image

Maximum and minimum of the Mira star chi Cygni in 2022-23

Minimum on Oct 6, 2022 at 13.7, 373d from 2021 minimum (period 408.5d)

Maximum on April 21, 2022 at mag 4.4 visual and May 21, 2023 at 4.7 visual.

Decline rate from 2022 maximum to 2022 minimum = 199d, 31d shorter then the previous max-min in 2021 (not unexpected with a 373d min-min period).

Files associated with this observation

chicyg_2021_23.gif (10.0 kB)

Like this image

Jeremy Shears, Mr Ian David Sharp, Grant Privett, Mike Harlow, Peter Mulligan

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