[AZ-Observing] Re: Chi Cygni at Maximum
- From: Tom Polakis <tpolakis@xxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Fri, 10 May 2013 10:16:23 -0400
Correction: slightly brighter than Eta Cygni, and certainly not brighter than
Albireo. It was early.
Tom
---- Tom Polakis <tpolakis@xxxxxxx> wrote:
> On another forum, Brian Skiff mentioned that the Mira-type variable star Chi
> Cygni is near maximum. It is located very near the zenith at 4 a.m., just
> before dawn. We took a look this morning, and it's obvious from Tempe, even
> though the Cygnus Milky Way is an averted vision haze. Chi Cygni is
> conveniently located along the cross, closer to Alberio than the ever-present
> Eta Cygni. To my eyes, Chi appeared just slightly brighter than *Eta Cygni*,
> although measurements show them both at magnitude 3.9.
>
> The brightness of Chi Cygni may be plotted using AAVSO's Light Curve
> Generator.
>
> http://www.aavso.org/data/lcg/
>
> Simply enter "Chi Cyg" and some number of days. Entering 4000 days shows ten
> cycles, whose maxima range from 3rd to 5th magnitude.
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