AI Dra (Eclipsing binary)

RA: 16h 56m 18.15s, DE: +52° 41' 54.40" (254.0756249950, 52.6984444441)

4/19/2026, 20:17 - 4/19/2026, 23:41 (UTC)

Data:

  • Observer: Ivan Sergey
  • Created: 4/20/2026, 19:17
  • Station: Polyani, near Molodechno, Belarus
    Lat: +54°, Long: +27°
  • Instrument: 200 mm Newton (SW), HEQ-5, Canon 400D, lens Tair-3 FS, lens Jupiter 21M (4/200),
  • Photometric band: TG
  • Time standard: Gjd
  • Brightness in: Mag
Note:
Lens 4.5/300
Determined minima
  • P: 2461150.42696 (4/19/2026, 22:14)
    HJDmin: 2461150.42843 +/- 0.00163  
    Heliocentric correction: 0.00147
    Note:
    Lens 4.5/300
Actions:

Light curve
Neighborhood of the object, comparison and check stars
Comments