CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  18 Mar 2006
 Observer: NDM, ENH
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060318.*
 Temp. (°C): 10
 RH (%): 54
 Grating: 6 λc: Hα Tilt: 3o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Scatt. clds/clear/brk 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
 0:36
 0
E
 Bias

72
  Slightly late start due to household problem
06-10
 0:54
 1
E
 Flat

2501
 Reset halebopp's clock, was 2 min slow
11
 1:06
 300
E
 Th-Ar

120
12
 1:14
 600
 +1:47
 E
 epsilon Ori B0Ia
 1.7
 286
 #13 1:27 Th-Ar
14
 1:41
 300
 +2:35
 E
 beta Ori
B8Ia
 0.1
 526
 #15 1:49 Th-Ar
16
 2:00
 900
 +2:21
 E
 kappa Ori
B0.5Ia
 2.1
 292
 #17 2:18 Th-Ar
18
 2:28
 600
 +2:56
 E
 zeta Ori
O9.5Ib
 2.0
 267
 #19 2:41 Th-Ar
20
 2:55
 2468
 +3:39
 E
 25 Ori
B1Vpe
 4.9
 130
 Clds; abort ... #21 3:39 Th-Ar
22
 3:52
 300
 +2:16
 E
 betaGem K0IIIb
 1.1
 238
 Through clds ... #23 4:00 Th-Ar
24
 4:13
 1200
 +2:55
 E
 nu Gem B8Ve
 2.9
 137
 More clds ... abort with 1 min to go ... #25 4:35 Th-Ar
26
 4:53
 600
 +1:16
 E
 epsilon Leo G1II
 3.0
 158
 #27 5:06 Th-Ar
28
 5:28
 1800
 -0:58
 E
 kappa Dra B6 IIIpe
 3.9
 137
 #29 6:02 Th-Ar
30
 6:29
 1200
 +0:08
 E
 deltaCrv B9.5IVn
 2.95
 177
 #31 6:52 Th-Ar  paused to let targets rise. #32 8:03 Th-Ar
33
 8:13
 3600
 -1:10
 E
 theta CrB B6Vnne
 4.1
 168
 #34 9:16 Th-Ar
35
 9:41
 3600
 -0:07
 E
 48 Lib
 B5IIIpe
 4.9
 155
 #36 10:43 Th-Ar
37
 10:58
 900
 +1:07
 E
 delta Sco B0.3IVe
 1.6
 311
 in twilight  #38 11:17 Th-Ar
39-43
 11:26
 0
E
 Bias

77
44-48
 12:00
 3
E
 Flat

2299