200 mm Newton (SW), HEQ-5, Canon 400D, lens Tair-3 FS, lens Jupiter 21M (4/200),
Lens 4.5/300

200 mm Newton (SW), HEQ-5, Canon 400D, lens Tair-3 FS, lens Jupiter 21M (4/200),
Lens 4.5/300

QHY294, LNS200, OAT
filter: clear
temp: -5C
binning: 2x2
exp_time: 90sec.
equip.: QHY294
lens: 200/4

----- EBFit result: -----
Tmin = 2460132.47175
Error (1 sigma): +0.00036/-0.00031 (Bootstrapping), +0.00028/-0.00044 (Prayer bead), +0.00035/-0.00035 (LSM)
Error (95% CI): +0.00070/-0.00060 (Bootstrapping), +0.00038/-0.00054 (Prayer bead)
LSM: chi^2 = 44.5, n_freedom = 53

QHY294, LNS200, OAT
filter: clear
temp: -5C
binning: 2x2
exp_time: 90sec.
equip.: QHY294
lens: 200/4

Canon 7D MarkII, LNS500, OAT
ISO800, GG binning2x2, 60sec, F8

----- EBFit result: -----
Tmin = 2459787.43055
Error (1 sigma): +0.00048/-0.00053 (Bootstrapping), +0.00043/-0.00039 (Prayer bead), +0.00047/-0.00047 (LSM)
Error (95% CI): +0.00096/-0.00101 (Bootstrapping), +0.00074/-0.00075 (Prayer bead)
LSM: chi^2 = 117.6, n_freedom = 97

Canon 7D MarkII, LNS500, OAT
ISO800, GG binning2x2, 60sec, F8

----- EBFit result: -----
TminGJD = 2459787.43053
Error (1 sigma): +0.00042/-0.00043 (Bootstrapping), +0.00025/-0.00023 (Prayer bead), +0.00040/-0.00040 (LSM)
Error (95% CI): +0.00092/-0.00083 (Bootstrapping), +0.00042/-0.00056 (Prayer bead)
LSM: chi^2 = 159.2, n_freedom = 122

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.7 s,comp. HD204521,2x2 bin.

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.16 s,comp. HD204521,2x2 bin.

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+I,exp.8 s,comp. HD204521,2x2 bin.

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+R,exp.7 s,comp. HD204521,2x2 bin.

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+B,exp.16 s,comp. HD204521,2x2 bin.

SKY-WATCHER REF 80/520 + MII G2-8300
CCD+V,exp.16 s,comp. HD204521,2x2 bin.

Lens Tair-3 4.5/300 + Canon 350D

----- EBFit result: -----
Tmin = 2458754.33656
Error (1 sigma): +0.00037/-0.00048 (Bootstrapping), +0.00077/-0.00095 (Prayer bead), +0.00023/-0.00023 (LSM)
Error (95% CI): +0.00081/-0.00089 (Bootstrapping), +0.00123/-0.00122 (Prayer bead)
LSM: chi^2 = 376.6, n_freedom = 80

Lens Tair-3 4.5/300 + Canon 350D

----- EBFit result: -----
Tmin = 2458753.32130
Error (1 sigma): +0.00029/-0.00068 (Bootstrapping), +0.00078/-0.00114 (Prayer bead), +0.00017/-0.00017 (LSM)
Error (95% CI): +0.00067/-0.00117 (Bootstrapping), +0.00128/-0.00138 (Prayer bead)
LSM: chi^2 = 737.2, n_freedom = 101

Lens Tair-3 4.5/300 + Canon 350D

----- EBFit result: -----
Tmin = 2458750.27632
Error (1 sigma): +0.00092/-0.00086 (Bootstrapping), +0.00089/-0.00074 (Prayer bead), +0.00032/-0.00032 (LSM)
Error (95% CI): +0.00201/-0.00177 (Bootstrapping), +0.00185/-0.00242 (Prayer bead)
LSM: chi^2 = 293.2, n_freedom = 72

Tamron LNS 44/300 + Canon 600D

----- EBFit result: -----
Tmin = 2458350.44156
Error (1 sigma): +0.00063/-0.00059 (Bootstrapping), +0.00057/-0.00041 (Prayer bead), +0.00050/-0.00050 (LSM)
Error (95% CI): +0.00126/-0.00117 (Bootstrapping), +0.00119/-0.00060 (Prayer bead)
LSM: chi^2 = 114.0, n_freedom = 87

Tamron LNS 44/300 + Canon 600D
----- EBFit result: -----
TminGJD = 2458350.44164
Error (1 sigma): +0.00053/-0.00059 (Bootstrapping), +0.00038/-0.00027 (Prayer bead), +0.00048/-0.00048 (LSM)
Error (95% CI): +0.00113/-0.00112 (Bootstrapping), +0.00058/-0.00035 (Prayer bead)
LSM: chi^2 = 119.2, n_freedom = 99

Maksutov-Cassegrain 80/500+Canon EOS 300D
New algol type EB near GK Cep
M = 2451414.125 + 2.02958*E
Discovered by Khruslov, A. V., 2007, Peremennye Zvezdy Prilozhenie, vol.7, no. 13.