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Date
Name
Affiliation
Other Observers
Instrument
Hours Observed
Hours Lost
Reason
Observing Program
04/20/2021
Alex McDaniel
Clemson University
Yong Sheng, Dieter Hartmann
CT
6
5
Humidity
Blazar Photo z measurements
04/17/2021
Saida Caballero
FIT
Kamp, Le, Fowler, Richards, Miorelli
CCD
12
0
No problems to report
Photometric survey Be stars.
04/16/2021
Todd Hillwig
Valparaiso University
None.
Andor CCD
9
1
Clouds
PN central star photometry
04/15/2021
William Keel
University of Alabama
3 cats
Andor CCD
11
0
No problems to report
Dead quasar survey, H II regions, stray-light checkout. Focus=128300, seeming finicky tonight.
04/14/2021
Stephen Levine
Lowell Obs.
C. Zuluaga
Andor Camera
11
0
No problems to report
Outer solar system astrometry. No issues to report.
04/13/2021
Stephen Levine
Lowell Observatory
C. Zuluaga
Andor Camera
12
0
No problems to report
Outer solar system astrometry, and basic testing of new Andor camera to understand the performance in the various modes. Looks good.
04/11/2021
Ken Rumstay
VSU
None
CCD camera
9
0
No problems to report
AGN monitoring program No problems to report Optimum focus = 127800 at T = 16 Celsius Telescope pointing after slew not perfect, but target was always within CCD filed.
04/10/2021
Ross Silver
Clemson University
Dieter, Yong
CCD
11
0
No problems to report
Photometric redshifts of BL Lacs.
04/04/2021
XIANMING HAN
Butler Univ
Andrew Gebken
CCD
8.5
0
No problems to report
eclipsing binary
04/03/2021
XIANMING HAN
Butler University
Andrew Gebken
CCD
8
0.5
Clouds
eclipsing binary
04/02/2021
XIANMING HAN
Butler Univ
Andrew Gebken
CCD
8.5
0
No problems to report
eclipsing binary
04/01/2021
XIANMING HAN
Butler University
Andrew Gebken
CCD
8.5
0
No problems to report
Eclipsing binary
04/05/2021
William Keel
University of Alabama
3 cats
Andor CCD
11
0
No problems to report
Dead quasar survey, Andor CCD checkout. Focus 128000, guider focus 2000. Found potential gotcha when recovering from sequence abort - CCD came back in 3 MHz readout instead of previously set 1 MHz; bought myself some noise for the next hour or so. There is a diffuse pattern in darks at about 1 ADU/minute which looks like a light leak but persists at night so it seems to be an actual property of the chip.
03/31/2021
Todd Hillwig
Valparaiso University
None
Andor CCD
10
0.5
Equipment Failure
Telescope routinely pointed about 10 arcminutes to the north. This was corrected every time by simply hitting "Send" a second time, at which point the telescope pointed correctly with the target in the inner third of the chip.
03/26/2021
Gary Henson
ETSU
Rutherford
Andor CCD
0
6
Other
NOTE: this happened night of 4/28 so 4/28 report is really for 4/26, don't see way to edit old reports so submitting with wrong date for some completeness of logs. Power Failure at Dome just after flats, Power out 4+ hours but all systems came back up once power restored. Uncertain of failure cause and night half gone so closed up and quit early.
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