First a calibration star hd173648 (airmass 1.2; elevation 56°).
Good results on the calibration (I slightly changed my focus from previous sessions) :
Ordre #31 : FWHM = 4.31 - Dispersion = .195 A/pixel - R = 8605.3
Ordre #32 : FWHM = 3.94 - Dispersion = .188 A/pixel - R = 9481.3
Ordre #33 : FWHM = 3.68 - Dispersion = .185 A/pixel - R = 9981.2
Ordre #34 : FWHM = 3.52 - Dispersion = .180 A/pixel - R = 10422.7
Ordre #35 : FWHM = 3.49 - Dispersion = .175 A/pixel - R = 10530.4
Ordre #36 : FWHM = 3.18 - Dispersion = .169 A/pixel - R = 11587.2
Ordre #37 : FWHM = 3.38 - Dispersion = .164 A/pixel - R = 10988.6
Ordre #38 : FWHM = 3.35 - Dispersion = .160 A/pixel - R = 10992.9
Ordre #39 : FWHM = 3.18 - Dispersion = .158 A/pixel - R = 11444.1
Ordre #40 : FWHM = 3.41 - Dispersion = .153 A/pixel - R = 10764.6
Ordre #41 : FWHM = 3.50 - Dispersion = .148 A/pixel - R = 10557.6
Ordre #42 : FWHM = 3.67 - Dispersion = .145 A/pixel - R = 10011.2
Ordre #43 : FWHM = 3.17 - Dispersion = .145 A/pixel - R = 11325.5
Ordre #44 : FWHM = 3.34 - Dispersion = .140 A/pixel - R = 10921.9
Ordre #45 : FWHM = 3.34 - Dispersion = .136 A/pixel - R = 11009.6
Ordre #46 : FWHM = 3.40 - Dispersion = .133 A/pixel - R = 10751.2
Ordre #47 : FWHM = 3.24 - Dispersion = .129 A/pixel - R = 11454.3
Ordre #48 : FWHM = 3.26 - Dispersion = .126 A/pixel - R = 11359.8
Ordre #49 : FWHM = 3.60 - Dispersion = .125 A/pixel - R = 10157.6
Ordre #50 : FWHM = 3.84 - Dispersion = .123 A/pixel - R = 9531.4
Ordre #51 : FWHM = 4.21 - Dispersion = .115 A/pixel - R = 9063.9
Ordre #52 : FWHM = 4.86 - Dispersion = .115 A/pixel - R = 7739.0
Ordre #53 : FWHM = 5.36 - Dispersion = .113 A/pixel - R = 7012.1
Then beta Lyrae for a quick run.
CH Cygni after, but clouds are coming and with the bad seeing of the night, I am loosing lot of flux.
A run on P Cygni (great target) and ups Cyg (Be star) before going to my main target: VV Cep.
Here is a quick profile for 3x2min exposures on VV Cep while other acquisition are progressing:
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