[vsnet-obs 53145] Var. star in V1663AQL field

[Carlo Gualdoni]

Dear all,

Cheking my observations of V1663 AQL, I find a possible 
low amplitude variable star near 122 star.
I find nothing on SIMBIAD about the variability of this 
star.

Identifiation is:
GSC2.2 N020132017408
J2000 RA:  19h04m47.48s   DE:+05°16'27.2"

Reference Star: (122)
GSC 470-00821
J2000 RA:  19h04m59.32s   DE:+05°15'56.3"

Check Star: (134)
GSC 470-00597
J2000 RA:  19h05m02.37s   DE:+05°17'08.3"

Number of data points  15
Start date (J.D.)      2453557
End date (J.D.)        2453612
Average mag.           14.48V
Max mag.               14.35V
Min mag.               14.57V
Main Amplitude         0.11
Main period            22.5

---------------------------------------
Data set: (Maxim DL format)

"T (JD)","Obj1","Ref1","Chk1"
2453557.4284490743,14.562,12.250,13.527
2453566.4793518516,14.498,12.250,13.534
2453567.4508796297,14.444,12.250,13.527
2453568.4673032407,14.413,12.250,13.522
2453573.4349421295,14.409,12.250,13.519
2453580.4202662036,14.552,12.250,13.502
2453586.4646759261,14.566,12.250,13.534
2453587.4204976852,14.471,12.250,13.514
2453590.3867129628,14.414,12.250,13.519
2453591.4377199076,14.379,12.250,13.527
2453592.4543518517,14.353,12.250,"NA"
2453597.4487152779,14.372,12.250,13.513
2453600.3848379632,14.480,12.250,13.511
2453606.3909259262,14.566,12.250,13.511
2453607.3670833334,14.558,12.250,13.518
2453612.3448148146,14.449,12.250,13.516
---------------------------------------
Instruments:
LX200GPS 10" + SBIG ST7XME + V filter

Can someone check this observation?

Regards,

Carlo Gualdoni ( Como - Italy )