CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Apr 15
Observer:  ENH/NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050415.*
Temp.:  15C RH (%):  55 Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 20.55 Slit 275 Sky Conditions:  clear
Slit 240
Det. Temp. -95C Focus 6.28


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
01-05
0:20
0

E
Bias


73
 NE wind 14mph
06-10
0:34
4

E
Flat


3475

11
0:43
5

L
Flat (5x)


3065

12
0:59
300

E
Th-Ar


94

13
1:05
0

L
Bias (5x)


126

14
1:07
600
+3:18
E
Kappa Ori
B0.5 Ia
2.06
132
  #15 1:20 Th-Ar    
16
1:34
1500
+3:55
E
Zeta Tau
B4 IIIp
3.0
211
  #17 2:02 Th-Ar
18
2:20
1200
+0:33
E
Epsilon Leo
G1 IIab
2.98
155
  #19 2:43 Th-Ar
20
3:02
3600
-0:14
E
Phi Leo
A7 IVn
4.5
146
RH 72%, kinda hazy over here  #21 4:06 Th-Ar
22
4:23
3600
-0:10
E
Kappa Dra
B6 IIIpe
3.9
204
#23 5:26 Th-Ar #24 5:46 Ne
25
5:48
300
+1:58
L
beta Vir
F9V
3.6
1468
#26 5:55 Ne
27
6:04
600
-1:28
L
theta CrB
B6Vnne
4.1
922
#28 6:15 Ne #29 6:30 Th-Ar
30
6:38
1200
-1:22
E
delta Sco
B0.3IVe
1.6
246
#31 7:01 Th-Ar
32
7:10
1200
-0:50
E
"
"
"
302
#33 8:01 Th-Ar  #34 8:21 Ne
35
8:23
600
-3:27
L
omicron Aql
F8V
5.1
663
#36 8:35 Ne
37
8:43
1800
-3:26
L
HD 191612
O6-O9f?p
7.8
285
#38 9:15 Ne
39
9:16
1800
-2:52
L
"
"
"
307
#40 9:48 Ne #41 9:57 Th-Ar
42
10:04
300
-2:36
E
alpha Cyg
A2Ia
1.3
170
In twilight ... seeing is worse #43 10:12 Th-Ar
44-48
10:23
4

E
Flat


3370
#51-55 10:42 Bias 77ADU
49
10:23    Flat 5X      3979
 #50 10:41 Bias 5X