CCD Observing Log of Ritter Observatory
Page  1 of  

Echelle settings UT Date:  2005 Mar 9
Observer:  DRL
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050309.*
Temp.:  0 C
RH (%):  80 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Clear
Det. Temp. -95C Slit ~200 microns Focus 6.45


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
1:50
0
-
E
Bias
-
-
75
Test for RJB. After bakeout of echelle vacuum chamber
06-10
2:03
4
-
E
Flat
-
-
2195
test comps had fuzzy haloes
11
2:17
300
-
E
Th-Ar
-
-
85
Still very fuzzy
12
2:26
600
-
E
Th-Ar
-
-
97
data-typ: object
13
2:43
300
-
E
Th-Ar
-
-
85
Dew cap heater off. Still have cat eyes.
14-18
2:57
4
-
E
Flat
-
-
2456

19-23
3:10
0
-
E
Bias
-
-
74