CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 7 Jan 2007
Observer: SJR
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20070107.0*
Temp. (°C): 13 RH (%): 85
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: partly cloudy
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
22:58
0
zenith
E
bias


78

06-10
23:15
14
zenith
E
flat


4045

11
23:49
300
+0:37
E
Th-Ar comp


108
Deneb is too cloudy, can barely see it in eyepiece
12
0:35
600
+1:12
E
alpha Cas
K0-IIIa
2.23
160
waiting for clouds to clear, seemed to clear  #13Th-Ar 0:47
14
1:17
900
+1:49
E
gamma Cas
B0IVnpe
2.47 193
#15 Th-Ar 1:36
16-20
1:46
0
moving
E
bias


80
clouds are here, closing up. RH=91% anyway
21-25
2:06
6
zenith
E
flat


5249