CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  4 Dec 2006
Observer: NDM
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20061204.*
Temp. (°C): 3
RH (%): 76
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Scatt clds
Slit: 255 Temp.: -93.5oC Focus: 5.81


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
3:18
0

E
Bias


78
 Trying to take advantage of a hole ...
06-10
3:30
8

E
Flat


3785

11
3:53
300

E
Th-Ar


107

12
4:01
300
+2:36
E
alpha Cas
K0IIIa
2.2
156
Not too good, will try focus out after comp ... #13 4:09 Th-Ar
14
4:21
286 +2:40
E
gamma Cas
B0IVpe
2.4
120
Clouds; abort. How typical.
15
4:29
300

E
Th-Ar


108

16-20
4:37
0

E
Bias


80

21
4:53
4

E
Flat


3655

22-25
4:56
5

E
Flat


4255