EF Dra (Eclipsing binary)

RA: 18h 05m 30.40s, DE: +69° 45' 16.00" (271.3766666617, 69.7544444444)

8/29/2025, 20:08 - 8/29/2025, 22:10 (UTC)

Data:
  • Observer: Penko Jordanov
  • Created: 9/4/2025, 13:19
  • Station: Dimitrovgrad, Bulgaria
    Lat: +42°, Long: +26°
  • Instrument: Bresser 150/750, EXOS-2 OnStep, Altair Hipercam 183M Pro TEC, Johnson B V R
  • Photometric band: V
  • Time standard: BjdTbd
  • Brightness in: Mag
Determined minima
  • P: 2460917.39136 (8/29/2025, 21:23)
    HJDmin: 2460917.39127 +/- 0.00043  
    Heliocentric correction: -0.00008
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2460917.33903
Comments