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[vsnet-obs 38970] Nv LMC-02 differential photometry

Differential photometry on Nova LMC 02:  0538-71

Observatory:   Ellinbank
  38° 14' 47.4" S
145° 57' 30.4" E
138  m

Telescope:  32cm f/5 Newtonian
Camera:   AAVSO ST8E with BVRI Schuler filters

Comparison:  (Data from Guide 8)
Hipparcos #26567
RA (J2000.0): 05 38 55.34
Declination -71 38 20.4
(Above is the computed position for J1991.25)
Magnitude in Johnson V: 9.61
Johnson B-V colour: 0.109 ± 0.030
Color index (V-I) in Cousins' system: 0.12 ± 0.03

All images reduced with flat, dark and bias frames

No R color information at time of reduction

JD=2452***

JD                          V           Error
337.9668634      11.18        0.03
337.9769676      11.18        0.03
337.9773727      11.20        0.03
337.9777662      11.19        0.03

                               B
337.9695718      11.58        0.04
337.9746181      11.58        0.04
337.9753588      11.58        0.04
337.9761111      11.58        0.04

                                I
337.9734722       10.44       0.05
337.9799769       10.43       0.05
337.9803588       10.44       0.05
337.9808796       10.42       0.05

                                V
338.9843519       11.34       0.04
338.9847569       11.34       0.04
338.9851505       11.35       0.04
338.9855556       11.36       0.04
338.9859491       11.35       0.04

                               B
338.9870949       11.70       0.05
338.9878357       11.70       0.05
338.9885880       11.69       0.05
338.9893287       11.70       0.05
338.9900694       11.69       0.05

                                I
338.9933796       10.50       0.05
338.9937616       10.50       0.05
338.9941319       10.52       0.05
338.9945139       10.51       0.05
338.9948958       10.51       0.05

                               V
343.9386574       11.90       0.04
343.9390625       11.86       0.04
343.9394560       11.89       0.04
343.9398611       11.90       0.04
343.9402546       11.88       0.04

                                B
343.9411343       12.05       0.04
343.9418750       12.05       0.04
343.9426273       12.05       0.04
343.9433681       12.05       0.04
343.9441088       12.07       0.04

                                I
343.9469097       10.80       0.05
343.9472801       10.79       0.05
343.9476505       10.79       0.05
343.9480324       10.80       0.05
343.9484028       10.82       0.05

Peter Nelson
020313

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