[vsnet-alert 15798] Re: V905 Sco Slow Decline

[Seiichiro Kiyota]

Dear Peter,


You might be interested in my photometric results of V905 Sco with my camera lens + CCD survey (called TAO Survey).
They are available at http://meineko.dyndns.org/~meineko/VSdata.py?object=SCOV905&plot=1&submit=Send+query



                                        Seiichiro Kiyota
                                        Tsukuba, Japan


(2013/06/04 8:16), Peter F Williams wrote:
> V905 Sco, classified as either SDOR or ACYG:, appears to be undergoing a
> gradual decline in brightness over recent months.  Monthly visual means are
> listed below with the number of observations in each mean shown in brackets.
>
> V905 Sco is currently at its faintest since regular observations commenced
> in 1997 March.  A seasonal gap in the data is evident as this field passes
> through conjunction with the sun.
>
> 2012
> Jan    7.0 (1)
> Feb    6.85 (2)
> Mar    -
> Apr    6.82 (5)
> May    6.91 (9)
> June    7.04 (10)
> July    6.86 (7)
> Aug    6.84 (8)
> Sept    6.80 (2)
> Oct    6.82 (6)
> Nov    -
> Dec    -
>
> 2013
> Jan    -
> Feb    -
> Mar    7.0 (1)
> Apr    7.26 (7)
> May    7.31 (7)
> June    7.40 (2)
>
> All observations through 10x50mm binoculars.
>
> Regards
>
> Peter Williams
> Heathcote NSW
>