CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  16 Dec 2004 Observer:  NDM LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20041216.* Temp.:  9 C RH (%):  73 Grating 6 Wavelength H alpha Tilt 3o
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Clear/cloudy  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
01-05
22:40
0

E
Bias


72
Don't reduce LDS data
b0a
22:45
0

L
Bias (5X)


134

f4a
22:50
4

L
Flat (5X)


2105

06-10
22:59
4

E
Flat


4413

11
23:25
300

E
Th-Ar


87

12
23:35
300
+3:00
E
alpha Cyg
A2Ia
1.3
232
#13 Th-Ar 23:43
14
23:57
300
+2:19
E
epsilon Peg
K2Ib
2.4
172
#15 Th-Ar 0:05 #16 started by GBT and DWK, finished by NDM
16
00:38
3600
+2:18
E
pi Aqr
B1Ve
4.8
144
#17 Th-Ar 1:43
n1a
2:01
1

L
Ne




st300a
2:03
300
+2:30
L
iota Psc
F7V
4.1
391
n1b 2:23
18
2:27
300

E
Th-Ar

88

19
2:35
1200
+1:45
E
gamma Cas
B0IVe
2.5
345
#20 Th-Ar 2:57
21
3:13
3600
+2:35
E
omicron Cas
B2Ve
4.5
167

sk300a
3:19
300
+2:41
L
Sky @ ""



#22 Th-Ar 4:15
23
4:45
3325 +1:23
E
HR 1035
B9 Ia
4.2
147
 Telescope wandered E-W during first ~15 mins.
24
5:43
300

E
Th-Ar


Wind > 15 mph SW, staying in north. Aborted, clds
25-29
6:26
0

E
Bias


75
Waited a bit, but end to clds not in sight. Close.
b0b
6:33
0

L
Bias (5X)


136

30-34
6:39
4

E
Flat


3818

  f4b 6: 40   Flat (5X)      2181