CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date: 2005 Nov 21
Observer: NDR
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20051121.*
Temp.: 18 C
RH (%): 61
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: scattered cirrus
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
23:04
0

E
Bias


75

06-10
23:23
3

E
Flat


4504

11
23:45
300

E
ThAr


121

12
23:57
300
+1:42
E
alpha Cyg
A2Iae
1.25
395
unsure of focus... guess it's ok  #13  0:05  ThAr
14
0:18
1800
+1:00
E
nu Cep
A2Ia
4.29
227
#15  0:52  ThAr
16
1:10
3600
+1:12
E
pi Aqr
B1Ve
4.8
173
seeing was real bad during second half of the exposure.    #17  ThAr  2:13
18
2:27
3600
+1:05
E
6 Cas
A3Ia+
5.43
173
seeing much better at this altitude. #19  3:30  ThAr 
20
3:43
300
+1:30
E
alpha Cas
K0IIIa
2.23
175
rv std  #21  ThAr
22
4:07
900
+1:37
E
gamma Cas
B0IVpe
2.4
549
no second shift observer; closing
23
4:25
300

E
ThAr


123

24-28
4:32
0

E
Bias


77

29-33
4:50
3

E
Flat


4082