CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  19 Jul 2006
Observer:  KSB, SR/NDM,SR
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060719.*
Temp. (°C):  32
RH (%): 73
Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions:  clear/cirrus/scatt clds
Slit: 255 Det. Temp.: -86oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
1-5
1:30
0
zenith
E
bias


81
 SR = Sara Rother
6-10
1:40
1
"
E
flat


2872

11
1:53
300
"
E
Th-Ar


118

12
2:16
1200
+0:28
E
delta Sco
B0.3 IVe
1.6
597
#13  Th-Ar  2:39
14
2:55
900
+0:30
E
zeta Oph
O9.5Vn
2.56
213
#15  Th-Ar  3:14
16
3:32
900
+0:01
E
beta Oph
K2 III
2.77
158
RV std - RH 88%     #17  Th-Ar  3:50
18
4:10
1200
-0:27
E
beta Lyr
B7 Vpe
3.45
308
tweaked focus - RH 90%   #19  Th-Ar  4:33
20
5:08
300
-1:20
E
alpha Cyg
A2Ia
1.3
457
Tweaked focus again ... #21 5:15 Th-Ar ... RH was 91%, now 89%
22
5:36
3109 -1:07
E
HR 8020
B8Iae
5.7
162
Clds near end ... abort ... #23 6:30 Th-Ar
24
6:48
2700
-0:43
E
nu Cep A2Ia
4.3
268
Still some clds ... #25 7:35 Th-Ar
26
8:03
300
+2:25
E
alpha Aql A7Vnn
0.8
555

27 8:11
300

E
Th-Ar

122
More clds; close. RH still 90%.
28-32 8:18
0

E
Bias


84

33-37
8:33
1

E
Flat


2924