New observation
11/13/2025
HAT-P-20
160
Giovanni Calapai, Calapai Astronomical Observatory, 11/12/2025
Celestron SCT 280/2800 Atik 314L+ red. 0,63x
. . .
200/1 000, ST-9E
New variable in field BG Del
----- EBFit result: -----
TminGJD = 2456818.46172
Error (1 sigma): +0.00033/-0.00033 (Bootstrapping), +0.00038/-0.00034 (Prayer bead), +0.00019/-0.00019 (LSM)
Error (95% CI): +0.00070/-0.00066 (Bootstrapping), +0.00075/-0.00059 (Prayer bead)
LSM: chi^2 = 439.7, n_freedom = 141
New variable in field BG Del
----- EBFit result: -----
TminGJD = 2456818.46172
Error (1 sigma): +0.00033/-0.00033 (Bootstrapping), +0.00038/-0.00034 (Prayer bead), +0.00019/-0.00019 (LSM)
Error (95% CI): +0.00070/-0.00066 (Bootstrapping), +0.00075/-0.00059 (Prayer bead)
LSM: chi^2 = 439.7, n_freedom = 141
. . .
Pointer RL 300/2400
CCD+Clear; exp 180s;
Pointer 300/2400 + FLI PL1001E + DPV
Analyzed with MCV, Mean Comparison = GSC 3106-1364, R=14.44 mag, B-V=0.70 mag (Henden)
New variable in the FOV of RXJ1803
Id: S32 on the chart; USNO-B1.0 1300-0287487; Position: 180243.93 +400331.8
JD geocentric, differential magnitudes
CCD+Clear; exp 180s;
Pointer 300/2400 + FLI PL1001E + DPV
Analyzed with MCV, Mean Comparison = GSC 3106-1364, R=14.44 mag, B-V=0.70 mag (Henden)
New variable in the FOV of RXJ1803
Id: S32 on the chart; USNO-B1.0 1300-0287487; Position: 180243.93 +400331.8
JD geocentric, differential magnitudes
. . .
VNT RL 1000/9000
CCD+R; exp 180s
VNT 1000/9000 + FLI PL1001E in Cassegrain focus + DPV
Analyzed with MCV, Mean Comparison = TYC3106-00504-1, V=12.18, R=11.90 mag, B-V=0.52 mag (Henden)
New variable in the FOV of RXJ1803
Id: S1 on the chart; USNO-B1.0 1300-0287487; Position: 180243.93 +400331.8
JD geocentric, differential magnitudes
CCD+R; exp 180s
VNT 1000/9000 + FLI PL1001E in Cassegrain focus + DPV
Analyzed with MCV, Mean Comparison = TYC3106-00504-1, V=12.18, R=11.90 mag, B-V=0.52 mag (Henden)
New variable in the FOV of RXJ1803
Id: S1 on the chart; USNO-B1.0 1300-0287487; Position: 180243.93 +400331.8
JD geocentric, differential magnitudes
. . .
RC 10 f/8 + Moravian G2-1600
235 x 40 sec
----- EBFit result: -----
----- EBFit result: -----
TminGJD = 2460480.38395
Error (1 sigma): +0.00056/-0.00054 (Bootstrapping), +0.00046/-0.00041 (Prayer bead), +0.00206/-0.00206 (LSM)
Error (95% CI): +0.00104/-0.00116 (Bootstrapping), +0.00067/-0.00094 (Prayer bead)
LSM: chi^2 = 14.8, n_freedom = 226
235 x 40 sec
----- EBFit result: -----
----- EBFit result: -----
TminGJD = 2460480.38395
Error (1 sigma): +0.00056/-0.00054 (Bootstrapping), +0.00046/-0.00041 (Prayer bead), +0.00206/-0.00206 (LSM)
Error (95% CI): +0.00104/-0.00116 (Bootstrapping), +0.00067/-0.00094 (Prayer bead)
LSM: chi^2 = 14.8, n_freedom = 226
. . .