CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006 Jan 13
Observer: ENH
LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060113.*
Temp.: 15C
RH (%):68
Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: clear
Slit: 255 Det. Temp.: -95oC Focus: 5.70


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
Comments
1-5
23:52
0

E
Bias


74

6-10
0:08
1

E
Flat


2574

11
0:30
300

E
Th-Ar


127

12
0:38
3600
+2:35
E
LQ And
B4 Vne
6.5
99
#13 1:41 Th-Ar
14
1:54
1200
+2:53
E
gamma Cas
B0 IVpe
2.4
698
wow!  #16 2:17 Th-Ar
16
2:30
1800
+2:42
E
phi Per
B2 Vpe
4.1
189
#17 3:02 Th-Ar
18
3:17
3600
+2:31
E
12 Per
F9 V
4.9
194
for Bill Bagnuolo (email request)  #19 4:20 Th-Ar
20
4:39
2700
+2:58
E
psi Per
B5 Ve
4.3
170
#21 5:26 Th-Ar
22
5:44
1262
+1:12
E
nu Gem
B6 IIIe
4.1
118
aborted due to clouds #23 6:08 Th-Ar
24-28
6:17
0

E
Bias


77
that may have been the swiftest change from clear to overcast i've ever seen.  Not that is wasn't kinda expected.
29-30
6:30
2

E
Flat


4758

31-33
6:43
1

E
Flat


2816
2 seconds worked for all of 2 flats, then got too bright....