PartnerObserving Log for 2007 June 16/17

Observers: V. Burwitz, J. Hill
Telescope Operator: A. Ceranski
Instrument: LBC-Blue

Weather evening: thin clouds
Weather midnight: thick clouds
Weather morning: thin clouds

00:00 Camera Liquid Nitrogen was refilled

00:40 turned on camera/filters/rotator/trackers

01:16 Mirror T = ?? DegC Camera T = 140.9K Camera P = 1.50e-5 mBar

Wind dir: 214 [\xB0N>E] Temperature: 17.6 [\xB0C]
Wind speed: 2.7 [m/s] Pressure: 697 [mbar]
Dew point: -3.6 [\xB0C] Humidity: 23.7 [%]

Take Biases and Dark

Dome lights are off

00:47 start 25bias sequence

004753 25bias first image
---
[810counts] 010155 25bias last mage

010332 dark900

01:16 Mirror T = 13.1 DegC Camera T = 156.4K Camera P = 1.64e-5 mBar

Wind dir: 231 [\xB0N>E] Temperature: 16.6 [\xB0C]
Wind speed: 1.8 [m/s] Pressure: 694 [mbar]
Dew point: -3.4 [\xB0C] Humidity: 25.1 [%]

Astronomy camp arrived!

not getting correct azimuth value from L

01:33 turned off camera/filters/rotator/trackers

01:34 turned on camera/filters/rotator/trackers

02:39 Sunset

LBCcontrol said: "camera and shutter waiting!!

02:57 send telescope to RA = 11h decl. = +20d for evening flats

02:59 turned off camera/filters/rotator/trackers

03:00 turned on camera/filters/rotator/trackers

all up and running

03:02 Mirror T = 13.1 DegC Camera T = 143.2K Camera P = 1.82e-5 mBar

Wind dir: 205 [\xB0N>E] Temperature: 13.5 [\xB0C]
Wind speed: 3.1 [m/s] Pressure: 692 [mbar]
Dew point: -4.6 [\xB0C] Humidity: 28.1 [%]

SkyFlatR r-SLOAN thin clouds

030302 SkyFlatTestR 1sec [50k]

030421 SkyFlatR_5 1sec [44k] 030501 SkyFlatR_5 1sec [k] 030541 SkyFlatR_5 1sec [33k] 030621 SkyFlatR_5 1sec [28k] 030701 SkyFlatR_5 1sec [25k]

030951 SkyFlatRrot180_5 2.5 sec [30k] 031033 SkyFlatRrot180_5 2.5 sec [26k] 031033 SkyFlatRrot180_5 2.5 sec [22k] 031033 SkyFlatRrot180_5 2.5 sec [18k] 031238 SkyFlatRrot180_5 2.5 sec [16k]

SkyFlatB B-BESSEL thin clouds

031509 SkyFlatTestBrot180

031646 SkyFlatBrot180_5 25 sec [36k] 031750 SkyFlatBrot180_5 25 sec [31k] 031855 SkyFlatBrot180_5 25 sec [27k] 032000 SkyFlatBrot180_5 25 sec [22k] 032105 SkyFlatBrot180_5 25 sec [19k]

032402 SkyFlatB_5 60 sec [28k]
032541 SkyFlatB_5 60 sec [22k]
032720 SkyFlatB_5 60 sec [17k]
032859 SkyFlatB_5 60 sec [14k]
033037 SkyFlatB_5 60 sec [k]

03:32 Mirror T = 13.6 DegC Camera T = 140.9K Camera P = 1.84e-5 mBar

Wind dir: 225 [\xB0N>E] Temperature: 13.2 [\xB0C]
Wind speed: 3.6 [m/s] Pressure: 694 [mbar]
Dew point: -4.3 [\xB0C] Humidity: 29.2 [%]

03:32 focus on flat field field

033311 Vfastextra 1970 180 1244 -271 -31 -118 not accepted only one pupil
033510 Vfastextra32 2671 0 0 0 0 0 accepted
033748 Vfastextra32 -899 -405 1565 106 315 41 accepted
034005 Vfastextra32 No GOOD pupils found... check input image!

03:42 goto Kochanek M81 focus field

034533 M81extrafoc No GOOD pupils found... check input image

by hand z7 -500 and z8+500

035248 Vfastextra32 No good pupils! an is rotated as differen pos angle to kocheneks M81extrafoc

035903 M81extrafoc2 exposure x 2

04:05 goto PG1633 for focusing

040726 Vfastextra32 116 -1320 -248 -213 -90 -123 accepted
040927 Vfastextra32 1209 1156 -562 -832 -531 222 accepted

04:11 End of Astronomical Evening Twighlight , LST 14h 31m

041201 Vfastextra32 -344 636 -512 -222 -134 173 accepted
041439 Vfastextra32 -301 395 8 -25 126 -134 accepted
041708 Vfastextra32 162 -6 -373 10 -97 28 accepted

042000 U5sec exposure = 5sec airmass = 1.218 seeing = 1.13 arcsec U-Bessel
042108 V5sec exposure = 5sec airmass = 1.213 seeing = 0.91 arcsec V-Bessel

04:25 Mirror T = 13.3 DegC Camera T = 154.2K Camera P = 1.84e-5 mBar

Wind dir: 193 [\xB0N>E] Temperature: 13.1 [\xB0C]
Wind speed: 2.7 [m/s] Pressure: 697 [mbar]
Dew point: -5.5 [\xB0C] Humidity: 27.1 [%]

clouds/rain approaching from the NE

04:29 goto NGC5466

043400 Vfastextra32 -549 -580 -301 310 -97 -378 accepted
044327 Vfastextra32 -252 119 261 170 -242 62 accepted

044021 V5sec exposure = 25sec airmass = 1.025 seeing = 0.72 arcsec V-Bessel
044416 B5sec exposure = 40sec airmass = 1.028 seeing = 0.85 arcsec B-Bessel
044709 R5sec exposure = 40sec airmass = 1.031 seeing = 0.55 arcsec r-SLOAN
045037 U5sec exposure = 60sec airmass = 1.034 seeing = 0.67 arcsec U-Bessel

Start NGC5466_VBR with 4 dither positions

045326 NGC5466_VBR exposure = 60sec airmass = 1.038 seeing = 0.68 arcsec V-Bessel
045506 NGC5466_VBR exposure = 60sec airmass = 1.041 seeing = 0.97 arcsec B-Bessel
045717 NGC5466_VBR exposure = 60sec airmass = 1.042 seeing = 0.72 arcsec r-SLOAN

045928 NGC5466_VBR exposure = 60sec airmass = 1.044 seeing = 0.72 arcsec V-Bessel
050109 NGC5466_VBR exposure = 60sec airmass = 1.046 seeing = 0.79 arcsec B-Bessel
050319 NGC5466_VBR exposure = 60sec airmass = 1.048 seeing = 0.79 arcsec r-SLOAN

050532 NGC5466_VBR exposure = 60sec airmass = 1.051 seeing = 0.74 arcsec V-Bessel
050711 NGC5466_VBR exposure = 60sec airmass = 1.054 seeing = 0.88 arcsec B-Bessel
050920 NGC5466_VBR exposure = 60sec airmass = 1.057 seeing = 0.81 arcsec r-SLOAN

051142 NGC5466_VBR exposure = 60sec airmass = 1.060 seeing = 0.90 arcsec V-Bessel
051321 NGC5466_VBR exposure = 60sec airmass = 1.063 seeing = 0. arcsec B-Bessel
051530 NGC5466_VBR exposure = 60sec airmass = 1.066 seeing = 0.86 arcsec r-SLOAN

4th dither position possibly in wrong direction in declination

04:25 Mirror T = 13.1 DegC Camera T = 147.6K Camera P = 1.84e-5 mBar

Wind dir: 205 [\xB0N>E] Temperature: 12.9 [\xB0C] Wind speed: 2.7 [m/s] Pressure: 698 [mbar] Dew point: -5.6 [\xB0C] Humidity: 26.3 [%]

clouds/rain still approaching from the NE

Focus

052116 Vfastextra32** -755 -285 -74 144 24 -34 accepted

Start NGC5466_VBR with 10 dither positions

first dither position

052502 NGC5466_VBR exposure = 60sec airmass = 1.081 seeing = 0.61 arcsec V-Bessel
052643 NGC5466_VBR exposure = 60sec airmass = 1. seeing = 0. arcsec B-Bessel
052905 NGC5466_VBR exposure = 60sec airmass = 1. seeing = 0. arcsec r-SLOAN

10th and last dither position

061734 NGC5466_VBR exposure = 60sec airmass = 1.195 seeing = 0.90 arcsec V-Bessel ultra faint stars due to clouds
061913 NGC5466_VBR exposure = 60sec airmass = 1.202 seeing = 1.06 arcsec B-Bessel
062123 NGC5466_VBR exposure = 60sec airmass = 1.204 seeing = 1.02 arcsec r-SLOAN ultra faint stars due to clouds

0625 Closed Dome Due to Clouds

04:25 Mirror T = 13.1 DegC Camera T = 136.4K Camera P = 1.82e-5 mBar

Wind dir: 203 [\xB0N>E] Temperature: 12.6 [\xB0C]
Wind speed: 2.7 [m/s] Pressure: 700 [mbar]
Dew point: -6.0 [\xB0C] Humidity: 26.9 [%]

10:30 Beginning of Astronomical Dawn Twighlight LST 20h 51m

11:24 turned off camera/filters/rotator/trackers

12:02 Sunrise

-- VadimBurwitz - 16 Jun 2007
Topic revision: r6 - 21 Jul 2009, NormCushing
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