CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 29 Oct 2005
Observer:  NDM
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20051029.*
Temp.: 15° C
RH (%): 79
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Scatt clds
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
01-05
23:07
0

E
Bias


75

06-10
23:20
3

E
Flat


3243

11
23:35
300

E
Th-Ar


122

12
23:43
300
-0:02
E
alpha Cyg A2Ia
1.3
347
#13 23:51 Th-Ar ... check halebopp's clock
14
0:06
3000
+0:52
E
28 Cyg
B2.5Ve
4.9
151
#15 0:58 Th-Ar
16
1:11
2700
+1:07
E
59 Cyg
B1.5Vnne
4.7
202
#17 2:00 Th-Ar ... was 4 min slow, updated 1:59 UT
18
2:12
3600
+2:07
E
60 Cyg
B1Ve
5.4
123
#19 3:15 Th-Ar
20
3:32
2700
+2:07
E
31 Peg
B2IV-Ve
4.8
163
#21 4:27 Th-Ar ... observer error, redo Th-Ar exposure
22
4:42
300
+0:58
E
alpha Cas K0IIIa
2.2
195
RH 94%. Seeing worse, too. Close.
23
4:50
300

E
Th-Ar

124

24-28
4:57
0

E
Bias


79

29-33
5:13
2

E
Flat


3474