HAT-P-23 (Transiting exoplanet)

RA: 20h 24m 29.73s, DE: +16° 45' 44.30" (306.1238750000, 16.7623055556)

7/12/2026, 21:51 - 7/13/2026, 00:53 (UTC)

Data:

  • Observer: Giovanni Calapai
  • Created: 7/13/2026, 17:23
  • Station: Calapai Astronomical Observatory
    Lat: +38°, Long: +16°
  • Instrument: Celestron C14 (SCT 356/3910) Atik 314L+ red. 0,7x
  • Photometric band: IR
  • Time standard: Gjd
  • Brightness in: Mag
Determined transits
  • 2461234.46881 (7/12/2026, 23:15)
    Planet designation: HAT-P-23 b
    HJDmid: 2461234.47324 +/- 0.00077
    Heliocentric correction: 0.00444
    Transit depth (Mag): 0.01748 +/- 0.00094
    Transit duration (Min): 132.81 +/- 2.50
    Standard deviation (mmag): 3.3
    Data quality: 3 (good)
    Data density (data/min): 0.66
    Fitting algorithm: Original ETD  
    Note:
    Adopted limb darkening: 0.5 | EXP. 90s | binning 2+2 | slight defocus | FWHM 2.4 px (1.3 arc-sec/pixel) | weather: clear, moisture | bortle 5, encircling light pollution | Photometric aperture radii: 6-13-17 | Baader IR-Pass filter 685 nm
Actions:

Light curve
Star field chart
Explicitly named stars

No comparison or check stars are explicitly listed for this observation. They should be marked in the star field chart.

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