CCD Observing Log of Ritter Observatory
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Echelle settings: UT Date:  10 Nov 2004
 Observer:  DRL/AM
 LDS Settings:
X-Disp Tilt: 235.0 Wavelength: H alpha Exposure:  20041110.* Temp.:  10 C
 RH (%):  66 Grating: 6 Wavelength: H alpha Tilt: 3o
Echelle Tilt: 20.55 Slit: 275 Sky Conditions:  Clear Slit: 200 microns approx. Focus: 6.25



Exp #
Start Time
(UT)
Dur
(s)
HA
Start
E/L
Object
Sp. Type
V
Mag
ADU's
(/pix)
 Comments
01-05
  22:49 0 
  - E  Bias  - - 
 71
  
06-10
  23:07 2 
 - 
 E 
  Flat  - - 
  4736  Dome lights on during #6
11
  23:22 300  - E 
  Th-Ar - 
  - 102  
12
  23:48 600 +0:50 E 
 Alpha Cyg
 A2Ia
 1.25 843  #13 Th-Ar 0:01
14  00:26  300 +1:14 E HR8020
 B8Ia
 5.67
Test - do not reduce
15   3600   E 
 HR8020
 B8Ia 5.67  161  #16 Th-Ar 1:41
17 2:00 3600 +1:19
 E 
 Pi Aqr
  B1Ve  4.8  224  #18 Th-Ar 3:03
19 3:38 1200
 +0:26
  E 
 Gamma Cas
  B0IVe  2.2 674
  #20 Th-Ar 4:02
 21 4:19
  2400  +0:20 E Phi Per
 B2pe
  4.1
 293
  #22 Th-Ar 5:02
 23 5:10 600
  +2:15 E Alpha Cas
  K0III  2.2
  385  rv std  #24 Th-Ar 5:23
 25 5:31  3600 - 0:13
  E HR 1035
  B9 Ia
 4.5
  273  #26 Th-Ar 6:34
 27 6:43
  1200  -1:10  E Zeta Tau
  B4IIIpe  3.0 280
  #28 Th-Ar 7:05
 29
  7:14 300
 - 0:14
  E 
 Beta Ori
  B8 Ia
  0.1 481  #30 Th-Ar 7:22
  31  7:30  600 + 0:20
  E 
 E psilon Ori
 B0 Ia
  1.7 164  #32 Th-Ar 7:50  through clouds
  33  7:59 1200
  -1:32  E 
 Beta CMi
  B8Ve
  2.9 176
  #34 Th-Ar 8:22  clouds still around
35-39
  8:32 2 
   E
  Flat      3853  
  40-44   8:45 0   E  Bias     76