SEARCHING V 594 Lyr updated O-C (very poor observations last 10 years)

 

STAR

RA2000

DE2000

TYPE

V 594 Lyr

18 45 21.8

+45 53 29

EW (14.0 - 14.33 Mv  P=0.256002)

 

 

 

 

 

  Celestron 9,25 F6.3 - FLI Kaf 3200 CCD - 60 sec V filter

 

 

calculate TOM was 22:23 UT (red line)  but at time, star had already exceeded the minimum and was in the process of slope

 

 

 

 

this observation in collaboration with Rob Garofalo, images taken by a Newton 300mm F4 and Sbig 8300 Camera

red line is calculated TOM (22:03 UT)  but at time, star had already exceeded the minimum and was in the process of slope

 

 

photometric run July 30, 2010, calculated TOM was for 22:46UT

observed Minimum 21:45 UT

 

O-C = -0.042 d    

 

 

 

July 30,2010 – FIRST MINIMUM DETECTED!

this observation in collaboration with Rob Garofalo, images taken by a Newton 300mm F4 and Sbig 8300 Camera

red line is calculated TOM (21:45 UT) 

 

 

 

Red point is O-C July 30, 2010 position from 2002, in O-C gateway (courtesy BRNO)

 

 

photometric run August 21, 2010, calculated TOM was for 23:09 UT

observed Minimum 22:07 UT

 

O-C = -0.0427 d    

 

 

 

August 21,2010 – SECON MINIMUM DETECTED!

this observation in collaboration with Rob Garofalo, images taken by a Newton 300mm F4 and Sbig 8300 Camera

red line is calculated TOM (22:07 UT) 

 

 

 

Red point is O-C August 21, 2010 position from 2002, in O-C gateway (courtesy BRNO)