EF Dra (Eclipsing binary)

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

3/5/2026, 19:12 - 3/6/2026, 03:58 (UTC)

Data:
  • Observer: Martin Kobliha
  • Created: 3/6/2026, 08:40
  • 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: 2461105.45085 (3/5/2026, 22:49)
    HJDmin: 2461105.45089 +/- 0.00022  
    Heliocentric correction: 0.00003
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - EF Dra, JD 2461105.30020
Comments