CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2006 Nov 02
 Observer:  KSB/NDM
 LDS Settings
X-Disp Tilt: 235.0 λc: Hα Exposure:  20061102.*
 Temp. (°C):   10
 RH (%):   63
 Grating: 6 λc: Hα Tilt: 4o
Echelle Tilt: 21.95 Slit: 275 Sky Conditions:  cldy --> clear
 Slit: 255 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
1-5
 23:35
 0
 zenith
 E bias

75
 started cals early for later predicted clearing
6-10
 23:52
 6
 "
 E
 flat

3951
11
 3:56
 300
 "
 E
 Th-Ar

109
 cleared off
12
 4:18
 300
 +00:47
 E
 alpha Cas
 K0 IIIa
 2.23
 112
 RV std;   #13  Th-Ar   4:25 ;  offsets reset; focus tweaked
14
 4:43
 1800
 +1:59
 E
 rho Cas
 G2 IaOe
 4.4
 178
 tweaked focus again; NDM arrived ...#15 5:15 Th-Ar 
201
 5:03
 0
L
 Bias 5x


137
 Seeing is poor ...
202
 5:26
 2
L
 Flat 5x


1793
203
 5:40
 1
L
 Ne




204
 5:41
 1800
 +2:43
 L
 CBET 712
 ?
 7.5? 220
 Looks fainter than 7.5. Star shown on Digitized Sky Survey at > 7.5
16
 6:29
 300
E
 Th-Ar

110
 Very weak spectrum, no Hα emission. False alarm? Wrong coords?
17
 6:37
 2700
 +0:18
 E
 HR 1040
 A0Iab
 4.6
 180
 Used Display ... Palette to increase contrast, see weak spectrum.
205
 6:38
 1800
 +0:19
 L
 Sky@HR1040

206
 Just curious ... Really blank this time!
18
 7:25
 300
E
 Th-Ar

108
19
 7:40
 3600
 -0:33
 E
 25 Ori
 B1Vpe
 4.9
 157
 #20 8:42 Th-Ar
21
 8:57
 1200
 +0:31
 E
 zeta Tau
 B2IVe
 3.0
 257
 Hit focus button by mistake, refocused, but seeing is bad.
22
 9:20
 300
E
 Th-Ar

110
 Adjusted focus again
23
 9:35
 3000
 +0:17
 E
 nu Gem
 B6IIIe
 4.1
 181
 #24 10:27 Th-Ar
25-29
 10:35
 0
E
 Bias

79
 Must quit, have stuff to do in the morning.
206
 10:46
 2
L
 Flat 5x

1707
  30-34 10:51 6   E  Flat      3734   #207 11:08 dark 10x 1800 s