CCD Observing Log of Ritter Observatory
Page  1 of  1

Echelle settings UT Date:  2005 Mar 16
 Observer:  KSB , DRL
 LDS Settings
X-Disp Tilt 235.0 Wavelength H alpha Exposure:  20050316.xxx
 Temp.:  5 C
 RH (%): 63
 Grating 6 Wavelength H alpha
 Tilt 3
Echelle Tilt 20.55 Slit 275 Sky Conditions:  clear w/ occasional cirrus
 Det. Temp. -95C Slit ~200 microns Focus 6.25


Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
1-5
 0:11
 0
 zenith
 E
 Bias

73
 1-4 hdrs were incorrect - fixed in archived vers on halebopp
6
 0:17
 0
 "
 L
 Bias (5x)

131
 oops - left space for 6-10...  so no 7-10 files
11-15
 0:25
 6
 "
 E
 Flat

4153
16
 0:27
 10
 "
 L
 Flat (5x)

3914
 as above - no 17-20 files
21
 0:42
 300
 "
 E
 Th-Ar

64
22
 0:55
 1
 "
 L
 Ne

381
 Note: LDS images not transferred - wsftp kept timing out
23
 1:10
 1800
 +1:33
 E
 zeta Tau
 B4IIIp
 3.03
 178
 #24  1:44  Th-Ar
25
 1:59
 300
 +2:46
 E
 beta Ori
 B8Ia
 0.12
 287
 #26  2:07  Th-Ar
27
 2:23
 600
 +2:48
 E
 epsilon Ori
 B0Ia
 1.70
 176
 #28  2:36  Th-Ar
29
 2:53
 900
 +3:14
 E
 zeta Ori
 09.5Ib
 2.05
 172
 #30  3:11  Th-Ar
31
 3:25
 600
 +1:41
 E
 beta Gem
 K0IIIb
 1.14
 291
 RV std;   #32  3:38  Th-Ar
33
 3:53
 600
 -0:13
 E
 alpha Leo
 B7Vn
 1.35
 174
 Telluric std;   #34  4:05  Th-Ar
35
 4:30
 3600
 -2:01
 E
 kappa Dra
 B6IIIpe
 3.87
 145
 #36  5:34 Th-Ar
37
 6:18
 600
 +1:04
 E
 UNKNOWN

83
 Phi Leo intended. Only star visible in region of sky.
38
300
E
 Th-Ar

87
 According to SIMBAD this IS Phi Leo
39
 6:59
 1
L
 Ne

245
40
 7:03
 900
 +1:49
 L
 Phi Leo
 A7IVn
 4.47
 671
 #41 7:26 Ne
42-46
 8:33
 6
E
 Flat

135
 Why so weak? Emailed RJB
47
 8:37
 10
L
 Flat (5x)

7020
 Taken concurrently with 42-46
48
 8:41  0
   L
 Bias (5x)
     134
  
49-53
 8:50
 0
E
 Bias

74