CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  27 Mar 2005
Observer:  NDM
LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050327.*
Temp.:  11 C
RH (%):  71 Grating 6 Wavelength H alpha
Tilt 3
Echelle Tilt 20.55 Slit 275 Sky Conditions:  Scatt clds/cloudy/scatt clds
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
1:08
0

E
Bias


73
Just clearing up
06-10
1:28
4

E
Flat


4069
Started over with shorter integrations
11
1:27
10

L
Flat(5X)


3648
Fibers switched for solar experiment Tuesday
12
1:45
300

E
Th-Ar


89

13
1:53
1200
+3:02
E
epsilon Ori
B0Ia
1.7
113
Through clds
14
2:43
300

E
Th-Ar


91

15
2:34
600
+1:33
E
beta Gem
K0IIIb
1.1
187
Through clds
16
2:46
300

E
Th-Ar


91
Close
17
3:52
300

E
Th-Ar


91
Opening again
18
4:00
2400
+3:18
E
beta CMi
B8Ve
2.9
196
#19 4:43 Th-Ar
20
5:00
1

L
Ne


249

21
5:02
1200
+1:17
L
HD 91120
B8Ve
5.6
473
#22 5:24 Ne Adj focus
23
5:46
300
+0:41
L
beta Vir
F9 V
3.6
1195
CCD2 temp wandered off lock, now back again
24
5:54
1

L
Ne




25
5:55
0

L
Bias


135
#26 6:05 Th-Ar
27
6:13
1689 +0:25
E
kappa Dra
B6IIIpe
3.9
126
Abort - clds  #28 6:45 Th-Ar
29-33
7:21
0

E
Bias


75
I give up. Clouds are thick and stationary.
34-36
7:39
5

E
Flat


4062

39
7:37
10

L
Flat (5X)


4543

  37-38  7:53   Flat      4414
Had to redo last 2 - too many counts