CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  19 Apr 2006
Observer: DRL LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:20060419.*** Temp. (°C):
RH (%):
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Clear
Slit: 255 Det. Temp.: -95oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
001-005
23:21
0

E
Bias


74
 
006
23:34
2

E
Flat


74
Closed dome tests of repaired lamps and turret.
007
23:50
2

E
Flat


74
Flat lamp on. Image good on ST7. No counts.
008
23:52
200

E
Flat


210
Checking lightpath in echelle. Dome open, scope closed.
009
23:59
300

E
 Th-Ar

79

010
0:13
2

E
 Flat

74

011
0:21
120

E
 Sky flat


89
Problem most likely with lamps. Turret going back to shop.





 


Data not copied to Ceres4.