EF Dra (Eclipsing binary)

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

9/22/2025, 23:25 - 9/23/2025, 03:04 (UTC)

Data:
  • Observer: Penko Jordanov
  • Created: 9/24/2025, 11:12
  • 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: 2460941.56379 (9/23/2025, 01:31)
    HJDmin: 2460941.56384 +/- 0.00051  
    Heliocentric correction: 0.00005
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2460941.47597
Comments