CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  24 May 2006
 Observer: NDM
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060524.*
 Temp. (°C): 27
 RH (%): 43
 Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Cirrus/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
01-05
 1:04
 0
E
 Bias

76
  
06-10
 1:19
 5
E
 Flat

2878
11
 1:32
 300
E
 Th-Ar



12
 1:40
 600
 +2:27
 E
 epsilon Leo G1II
 3.0
 189
 In twilight ... #13 1:53 Th-Ar
01-05
 2:13
 0
E
 Bias


75
 Halebopp hard drive is full, no warning given! No data saved!
06-10
 2:28
 8
E
 Flat


3313
 Start over! Deleted nights from 2005 Jan. but more is needed.
11
 2:46
 300
E
 Th-Ar


112
 Of course, now it's cloudy (cirrus); lengthen exposures
12
 3:04
 1200
 +3:52
 E
  epsilon Leo
 G1II
 3.0
 140
13
 3:27
 300
E
 Th-Ar


Clds are thick. Close telescope and wait.
14
 4:32
 300
E
 Th-Ar

112
 Clds thinner, re-open
15
 4:41
 2700
 +2:40
 E
 kappa Dra B6IIIpe
 3.9
 227
 #16 5:29 Th-Ar
17
 5:45
 1200
 +0:18
 E
 delta Sco B0.2IVe
 1.6
 697
 #18 6:08 Th-Ar
19
 6:20
 3600
 +1:21
 E
 theta CrB B6Vnne
 4.1
 159
 #20 7:23 Th-Ar
21
 7:38
 600
 +0:28
 E
 betaOph K2III
 2.8
 177
 #22 7:50 Th-Ar
23
 8:03
 1800
 -0:14
 E
 betaLyr B7Vpe(sh)
 3.5
 204
 #24 8:36 Th-Ar
25
 8:46
 300
 -1:22
 E
 alpha Cyg A2Ia
 1.3
 185
26
 8:54
 300
E
 Th-Ar



27-31
 9:02
 0
E
 Bias

77
32-36
 9:17
 4
E
 Flat

2870