CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  4 Sep 2006
 Observer: NDM
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure: 20060904.*
 Temp. (°C): 29
 RH (%): 78
 Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions: Cirrus, pretty thick, bright objects only/mostly clear
 Slit: 255 Det. Temp.:-93.5oC Focus: 5.81


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
01-05
 0:24
 0
E
 Bias

77
  
06-10
 0:36
 4
E
 Flat

4250
11
 0:57
 300
E
 Th-Ar

113
 Through clds
12
 1:05
 1200
 +2:22
 E
 delta Sco B0.3IVe
 2.2
 247
 Focused on alpha Ser in eyepiece, hit OUT, hoping for best.
13
 1:27
 300
E
 Th-Ar


113
14
 1:39
 1200
 +2:19
 E
 zeta Oph
O9.5Vne
 2.6
 203
 #15 2:01 Th-Ar ... OUT again
16
 2:11
 300
 +1:45
 E
 betaOph
K2III
 2.8
 182
 #17 2:19 Th-Ar
18
 2:32
 900
 +1:00
 E
 betaLyr
B7Vpe(sh)
 3.5
 173
 #19 2:50 Th-Ar
20
 2:59
 300
 -0:24
 E
 alpha Cyg A2Ia
 1.3
 243
 #21 3:07 Th-Ar ... Focus OUT again, looks better
22
 3:20
 3600
 -0:23
 E
 60 Cyg
 B1Ve
 5.4
 131
 RH 90% and rising; clds ... Hα em. present ... #23 4:23 Th-Ar
24
 4:36
 3600
 -0:31
 E
 pi Aqr B1Ve
 4.8
 253
 RH 93% ... #25 5:39 Th-Ar
26
 5:53
 300
 +3:21
 E
 alpha Aql A7Vnn
 0.8
 804
 RH 95% ... Telluric std ... #27 6:00 Th-Ar ... RH 96%
28
 6:14
 900
 -1:24
 E
 gamma Cas B0IVpe
 2.4
 692
 #29 6:32 Th-Ar
30-34
 6:57
 0
E
 Bias

80
 Closed at RH 97%. Exceeded normal limit because of
35-39
 7:12
 3
E
 Flat

3944
 coordinated obs'ns, but enough is enough. Too bad - great counts at end.









Spent some time getting the south finder cover to close.