HAT-P-20 (Transiting exoplanet)

RA: 07h 27m 39.89s, DE: +24° 20' 14.70" (111.9162083333, 24.3374166663)

11/12/2025, 23:48 - 11/13/2025, 02:02 (UTC)

Data:
  • Observer: Giovanni Calapai
  • Created: 11/16/2025, 23:16
  • Updated: 11/16/2025, 23:39
  • Station: Calapai Astronomical Observatory
    Lat: +38°, Long: +16°
  • Instrument: Celestron SCT 280/2800 Atik 314L+ red. 0,63x
  • Photometric band: IR
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2460992.57521 (11/13/2025, 01:48)
    Planet designation: HAT-P-20 b
    HJDmid: 2460992.57815 +/- 0.00108
    Heliocentric correction: 0.00294
    Transit depth (Mag): 0.01917 +/- 0.00261
    Transit duration (Min): 110.88 +/- 0.00
    Standard deviation (mmag): 3.07
    Data quality index: 3
    Data density (data/min): 0.58
    Fitting algorithm: Original ETD
    Note: 
    Adopted limb darkening: 0.5 | EXP. 90s | defocus |  FWHM 11.7 px (9,3 arc-sec/pixel)  weather: clear, moisture | bortle 5, encircling light pollution | Photometric aperture radii: 10-19-23 | Baader IR-Pass filter 685 nm | transit interrupted due to clouds
Actions:
Light curve
Neighborhood of the object, comparison and check stars
Chart - HAT-P-20, JD 2460992.49220
Comments