EF Dra (Eclipsing binary)

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

9/21/2025, 10:42 PM - 9/22/2025, 3:03 AM (UTC)

Data:
  • Observer: Penko Jordanov
  • Created: 9/24/2025 10:03:29 AM
  • 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
  • S: 2460940.50037 (9/22/2025, 00:00)
    HJDmin: 2460940.50041
    Heliocentric correction: 0.00004
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2460940.44644
Comments