CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  02 Feb 2005
Observer:  KSB LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050202.* Temp.: 5 C
RH (%): 76 Grating 6 Wavelength 5500 A Tilt 359
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Clear, fog expected
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
23:50 0

L
Bias (5x)


134
02-06
23:53
0

E
Bias


70

07
0:05
30

L
Flat (5x)


4468

08-12
0:07
6

E
Flat


5241

13
0:21
300

E
Th-Ar


81

14
0:27
180

L
Fe-Ar


187

15
1:12
600
+0:44
L
10 Tau
F9 IV-V
4.28
362
RV std for LDS
16
1:24
180

L
Fe-Ar


207
May not be good comp - not sure that flip mirror was IN...









RH ==> 90%, fog starting to build.  Not seeing stars well.
17
2:07
600
+1:46
E
psi Per
B5 Ve
4.22
71
Test exposure.  Looks bad - not much there.

2:33







FOG!!!  Closing down.