AI Dra (Eclipsing binary)

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

4/19/2007, 21:11 - 4/20/2007, 00:43 (UTC)

Data:
  • Observer: Radek Dřevěný
  • Created: 1/21/2008, 23:15
  • Station: Znojmo
  • Instrument: RF Vixen GP 80/910mm + ST-7
  • Photometric band: R
  • Time standard: Hjd
  • Brightness in: Mag
Note:
TminHJD = 2454210.4522 ± 0.0001
<br>with Hel.cor.= 0.00146
<br>CCD + R Bessel;  exp. time 60s
<br>data with hel.cor.
<br> ST-7+Sonnar 180/2.8
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - AI Dra, JD 2454210.38279
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