HAT-P-42 (Transiting exoplanet)

RA: 09h 01m 22.00s, DE: +06° 05' 50.00" (135.3416666567, 6.0972222219)

2/28/2026, 17:16 - 2/28/2026, 22:05 (UTC)

Data:
  • Observer: Nikola Antonov
  • Created: 3/1/2026, 13:52 UTC
  • Updated by: Nikola Antonov
  • Updated: 3/1/2026, 13:52 UTC
  • Station: Meshtitsa, Pernik, Bulgaria
    Lat: +42°, Long: +23°
  • Instrument: 250 mm F/4.8 Newtonian, CMOS ASI533MM Pro, Bessel BVR Filters
  • Photometric band: R
  • Time standard: BJD_TDB
  • Brightness in: Flux
Note:
bin 2x2; 1.28 arcsecs/pix; T CCD -20C; T Amb. -3C; H 50%; Mer. flip @ 0.3788; Moon ~90%
Determined transits
  • 2461100.322225 (2/28/2026, 19:44 UTC)
    Planet designation: HAT-P-42 b
    HJDmid: 2461100.327370 +/- 0.003474
    Heliocentric correction: 0.005146
    Transit depth (Mag): 0.009640 +/- 0.001538
    Transit duration (Min): 223.03 +/- 11.05
    Standard deviation (mmag): 5.36
    Data quality: 4 (fair)
    Data density (data/min): 0.48
    Fitting algorithm: Original ETD  
    Note: 
    bin 2x2; 1.28 arcsecs/pix; T CCD -20C; T Amb. -3C; H 50%; Mer. flip @ 0.3788; Moon ~90%
Actions:
Light curve
Field identification - Star field chart
Chart - HAT-P-42, JD 2461100.22006
Field identification - 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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