[Aavso-photometry] V420 Aur aka LPH040 - Bad Comp Star Detected

[Tim Crawford]

Attention:  HMXB participants

The "k" star which has been "stable" since at least the 15th ~ 12.35 just dimmed tonight ~ 14.34 with a sigma of .1. I do not have any color data yet... noticed on focus image and ran the photometry while TS is in process.

Per Ardua ad Astra

Tim Crawford CTX
Arch Cape Observatory

http://homepage.mac.com/windwalker1/ACObserv.htm