CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Mar 16
Observer:  KSB , DRL
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050316.xxx
Temp.:  5 C
RH (%): 63
Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 20.55 Slit 275 Sky Conditions:  clear w/ occasional cirrus
Det. Temp. -95C Slit ~200 microns Focus 6.25


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
1-5
0:11
0
zenith
E
Bias


73
1-4 hdrs were incorrect - fixed in archived vers on halebopp
6
0:17
0
"
L
Bias (5x)


131
oops - left space for 6-10...  so no 7-10 files
11-15
0:25
6
"
E
Flat


4153

16
0:27
10
"
L
Flat (5x)


3914
as above - no 17-20 files
21
0:42
300
"
E
Th-Ar


64

22
0:55
1
"
L
Ne


381
Note: LDS images not transferred - wsftp kept timing out
23
1:10
1800
+1:33
E
zeta Tau
B4IIIp
3.03
178
#24  1:44  Th-Ar
25
1:59
300
+2:46
E
beta Ori
B8Ia
0.12
287
#26  2:07  Th-Ar
27
2:23
600
+2:48
E
epsilon Ori
B0Ia
1.70
176
#28  2:36  Th-Ar
29
2:53
900
+3:14
E
zeta Ori
09.5Ib
2.05
172
#30  3:11  Th-Ar
31
3:25
600
+1:41
E
beta Gem
K0IIIb
1.14
291
RV std;   #32  3:38  Th-Ar
33
3:53
600
-0:13
E
alpha Leo
B7Vn
1.35
174
Telluric std;   #34  4:05  Th-Ar
35
4:30
3600
-2:01
E
kappa Dra
B6IIIpe
3.87
145
#36  5:34 Th-Ar
37
6:18
600
+1:04
E
UNKNOWN


83
Phi Leo intended. Only star visible in region of sky.
38

300

E
Th-Ar


87
According to SIMBAD this IS Phi Leo
39
6:59
1

L
Ne


245

40
7:03
900
+1:49
L
Phi Leo
A7IVn
4.47
671
#41 7:26 Ne
42-46
8:33
6

E
Flat


135
Why so weak? Emailed RJB
47
8:37
10

L
Flat (5x)


7020
Taken concurrently with 42-46
48
8:41  0
  L
Bias (5x)
    134
 
49-53
8:50
0

E
Bias


74