EF Dra (Eclipsing binary)

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

4/6/2026, 21:11 - 4/7/2026, 02:58 (UTC)

Data:
  • Observer: Martin Kobliha
  • Created: 4/7/2026, 08:10
  • Station: Prostějov
    Lat: +49°, Long: +17°
  • Instrument: APO TS 125/780; C2-9000; Sloan g, r, i
  • Photometric band: Sg
  • Time standard: Hjd
  • Brightness in: Mag
Determined minima
  • P: 2461137.46616 (4/6/2026, 23:11)
    HJDmin: 2461137.46602 +/- 0.00018  
    Heliocentric correction: -0.00014
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2461137.38303
Comments