CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  19 Feb 2006
 Observer: NDM
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060219.*
 Temp. (°C): -1
 RH (%): 61
 Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Scatt clds/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
 23:47
 0
E
 Bias

71
06-10
 0:03
 1
E
 Flat

3385
 Edit headers: change 'bias' to 'flat'
11
 0:36
 300
E
 Th-Ar

119
 Long time to find focus. Did previous obs move eyepiece?
12
 0:44
 300
 +2:59
 E
 alpha Ari K2IIIab
 2.0
 187
 Seeing not too good - not surprising given conditions
13
 0:52
 300
E
  Th-Ar

119
14
 1:08
 2700
 +2:48
 E
 12 Per
F9V
 4.9
 130
 Community access ... #15 1:56 Th-Ar 
16
 2:11
 600
 +0:57
 E
 epsilon Ori
B0Ia
 1.7
 240
 #17 2:23 Th-Ar
18
 2:34
 300
 +1:42
 E
 beta Ori
B8Ia
 0.1
 394
 #19 2:42 Th-Ar
20
 2:53
 900
 +1:28
 E
 kappa Ori B0.5Ia
 2.1
 237
 #21 3:11 Th-Ar
22
 3:23
 3600
 +1:24
 E
 FR CMa
 B1Vpe
 5.6
 108
 #23 4:25 Th-Ar
24
 4:50
 3600
 +3:08
 E
 χ2  Ori B2Ia
 4.6
 161
 Refocused ... #25 5:52 Th-Ar
26
 6:06
 1200
 +3:02
 E
 betaCMi B8Ve
 2.9
 181
 #27 6:29 Th-Ar
28
 6:48
 3600
 +0:40
 E
 HD 91120
 B9IV/V
 5.6
 100
 #29 7:50 Th-Ar
30
 8:10
 900
 +2:48
 E
 epsilon Leo G1II
 3.0
 179
 #31 8:28 Th-Ar
32
 8:45
 1800
 +0:35
 E
 kappa Dra B6IIIpe
 3.9
 159
 #33 9:18 Th-Ar
34-38
 10:10
 0
E
 Bias

75
 Tracking/pointing completely lost in long slew to S.
39-43
 10:26
 2
E
 Flat

3774
 Can't find alpha Boo in finder. Clds in S, too. Close.









Lost it in dec., not RA - telescope is back at zenith per









encoders, but spirit level is clearly off. Fix tomorrow if I
                   observe, otherwise leave for RJB's delectation.