Kueyen + FORS2 activities 24/25.01.2000
=======================================
Commissioning Leader:	J. Spyromilio
Telescope Operator:	N. Hurtado
Day/Night Astronomers:	-/G. Rupprecht
FORS2 Comm2 Team:	I. Appenzeller, W. Gaessler, W. Hummel, 
			K.-H. Mantel, B. Muschielok, H. Nicklas, 
			W. Seifert, E. Sutorius, K. Tarantik
=============================================================

Night Summary
=============
successful commissioning night after a rough start

Conditions
----------
gen:		some light cirrus
seeing:		0.5"-1"
wind:		8-5m/s turning N
humid:		50-20%, rising again to 50% at the end
temperature:	13C
loss:		--


Technical Problems
------------------
problem:	telescope hydraulics
		altitude does not go online
		enclosure door locking pin
loss:		together 2:30 at the beginning of the night

problem:	communication BOB-OH (too many JP2PPs running)
loss:		20min after telescope is finally ready

problem:	adapter; no precise pointing possible due to "simulation" 
loss:		40min after we are finally ready...

problem:	
loss:		

Other Problems
--------------
none

General Comments
----------------
LADC disabled = set to 30mm separation

************************
Daytime Setup Activities
************************
Setups:   	none
Dewar refill:	yes

FORS2 start-up procedure
------------------------
started:     LT
finished:    LT
by:          


*****************************************
Daytime Calibrations and characterization
*****************************************
Flatfield Levels with internal lamps
from ExpoPanel

B  1s     fflevel.fits       blue+2    lamp defect, no signal
B  1s     fflevel.1.fits     blue+1    3000 ADU
B  1s     fflevel.2.fits     red+2     1600 ADU
B  1s     fflevel.3.fits     red+1     1800 ADU
B  1s     fflevel.18.fits    blue+2    2900 ADU

V  1s     fflevel.6.fits     blue+2    4900 ADU
V  1s     fflevel.17.fits    blue+1    5100 ADU
V  1s     fflevel.5.fits     red+2     15500 ADU
V  1s     fflevel.4.fits     red+1     18000 ADU

R  1s     fflevel.16.fits    blue+2    4000 ADU
R  1s     fflevel.7.fits     blue+1    4000 ADU
R  .5s    fflevel.10.fits    red+2     32000 ADU
R  .5s    fflevel.9.fits     red+1     28000 ADU

R  10s    fflevel.15.fits    blue+2    7000 ADU
R  10s     fflevel.14.fits     blue+1  6000 ADU
R  .25s    fflevel.11.fits    red+2    16500 ADU
R  .25s    fflevel.12.fits     red+1   20000 ADU


Focus Halpha/4500 for comparison FORS1/FORS2
from ExpoPanel

Halpha/4500  FORS2_IMG_CAL024.-4.fits

old autofocus 2.211mm
new autofocus 2.201mm
0.01mm are within the tolerance


Image Quality with Halpha/4500
from ExpoPanel

Halpha/4500  10s   iq_halfa.1.fits  sieb mask  1.0arcsec holes
Halpha/4500  10s   iq_halfa.2.fits  sieb mask  0.5arcsec holes

halo around image clearly detected


Scale 
from ExpoPanel

V   1s scale.fits    SR, sieb mask 0.5arcsec holes
V   1s scale.1.fits  HR, sieb mask 0.5arcsec holes


Focus grisms in HR
from ExpoPanel

600z+OG590   iq_grism.-3.fits   
1028z+OG590  iq_grism.4-5.fits

autofocus values are ok


Skyconcentation
from ExpoPanel

B    20s        skyconc.1.fits   HR
V     4s        skyconc.2.fits   HR
R     1s        skyconc.3.fits   HR
I     1s        skyconc.4.fits   HR

B     5s        skyconc.5.fits   SR
V     1s        skyconc.6.fits   SR
R     5s        skyconc.7.fits   SR
I     0.25s     skyconc.8.fits   SR


FORS2 calibration plan: Biases
------------------------------
OB:  bias-ABCD-1x1
ABCD,1x1,low                    FORS2_IMG_CAL024.5-9.fits
ABCD,1x1,high                   FORS2_IMG_CAL024.10-14.fits

OB:  bias-A-1x1
A,1x1,low                       FORS2_IMG_CAL024.15-19.fits
A,1x1,high                      FORS2_IMG_CAL024.20-24.fits

comments: lower lights on during all exposures, upper lights on during
	  exposures 18-24

FORS2 contamination flats
-------------------------
OB contamination-quick:		ABCD,1x1,high,BVRI

B  FORS2_IMG_CAL024.25-26.fits
V  FORS2_IMG_CAL024.27-28.fits
R  FORS2_IMG_CAL024.29-30.fits	setup failed once (wheel 3)
I  FORS2_IMG_CAL024.31-32.fits

comments: DO NOT USE, LADC was in wrong position (fully open)


***********************************
Preparation for the night
***********************************
started:   23:45UT
	   problems with telescope hydraulics
dome open: 2:20UT
handover:  2:30UT

to use the repair time we do some calibrations. 
ATTENTION: - lower lights on in enclosure!!
	   - LADC at 50mm separation

OB: biglss-600

600B 1.0" He+HgCd ABCD,1x1,low wave	FORS2_LSS_CAL025.fits
600B 1.0" 2B+2R	ABCD,1x1,low flat	FORS2_LSS_CAL025.1.fits
600B 1.0" 2B+2R	ABCD,1x1,hi  flat	FORS2_LSS_CAL025.2.fits
600B 1.0" 2B+2R	A,1x1,low    flat	FORS2_LSS_CAL025.3-4.fits
[A,1x1,hi missing by accident]
600B 2.5" He+HgCd ABCD,1x1,low wave	FORS2_LSS_CAL025.5.fits
correct and re-start OB:
600B 1.0" 2B+2R	A,1x1,hi     flat	FORS2_LSS_CAL025.6.fits
600B 2.5" 2B+2R	ABCD,1x1,low flat	FORS2_LSS_CAL025.7.fits
600B 2.5" 2B+2R ABCD,1x1,hi  flat	FORS2_LSS_CAL025.8.fits
600B 2.5" 2B+2R	A,1x1,low    flat	FORS2_LSS_CAL025.9.fits
600B 2.5" 2B+2R A,1x1,hi     flat	FORS2_LSS_CAL025.10.fits

600R+GG435 1" He+2Ne+2Ar ABCD,1x1,low wave	FORS2_LSS_CAL025.11.fits
600R+GG435 1" 2B+2R	 ABCD,1x1,low flat	FORS2_LSS_CAL025.12.fits
600R+GG435 1" 2B+2R	 ABCD,1x1,hi  flat	FORS2_LSS_CAL025.13.fits
600R+GG435 1" 2B+2R	 A,1x1,low    flat	FORS2_LSS_CAL025.14.fits

OB: biglss-150

200I 1.0" He+2Ar+2Ne ABCD,1x1,low wave		FORS2_LSS_CAL025.15.fits
200I 1.0" 2B+2R	     ABCD,1x1,lo  flat		FORS2_LSS_CAL025.16.fits
200I 1.0" 2B+2R	     ABCD,1x1,hi  flat		FORS2_LSS_CAL025.17.fits
200I 1.0" 2B+2R	     A,   1x1,lo  flat		FORS2_LSS_CAL025.18.fits
200I 1.0" 2B+2R	     A,   1x1,hi  flat		FORS2_LSS_CAL025.19.fits
200I 2.5" He+2Ar+2Ne ABCD,1x1,low wave		FORS2_LSS_CAL025.20.fits
200I 2.5" 2B+2R	     ABCD,1x1,lo  flat		FORS2_LSS_CAL025.21.fits
200I 2.5" 2B+2R	     ABCD,1x1,hi  flat		FORS2_LSS_CAL025.22.fits
200I 2.5" 2B+2R	     A,   1x1,lo  flat		FORS2_LSS_CAL025.23.fits
200I 2.5" 2B+2R	     A,   1x1,hi  flat		FORS2_LSS_CAL025.24.fits

150I+OG590 2.5" He+HgCd+2Ar ABCD,1x1,low wave	FORS2_LSS_CAL025.25.fits
150I       2.5" He+HgCd+2Ar ABCD,1x1,low wave	FORS2_LSS_CAL025.26.fits
150I       2.5" 2B+2R	   ABCD,1x1,lo  flat	FORS2_LSS_CAL025.27.fits


**********************
FORS2 Calibration Plan
**********************
Sky flats evening (started LT)
------------------------------------
none due to telescope startup problems


**************************
Commissioning Observations
**************************
OB-Name:        IMG_TEST1
Object:		field 0715
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.02
DIMM:		0.5"
Start:		3:07UT
Comments:       PULPO type changed from 11 to 6 after 3rd exposure

V 1s		FORS2_IMG025.fits	start failed: PULPO did not
					open shutter
V 1s		FORS2_IMG025.1.fits	IQ=0.65" but no proper guiding
V 1s		FORS2_IMG025.2.fits	start failed: PULPO did not
					open shutter

...................................................................
OB-Name:        Dist_ngc1850
Start:		4:00UT
Object:		NGC1850
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.54
DIMM:		0.5
Comments:       distortion measurement
		wheel 3 failure during first setup

V 30s		FORS2_STD025.fits	IQ=1"
V 30s		FORS2_STD025.1.fits	IQ=0.65" guiding now working

...................................................................
OB-Name:        Phot_SR_PG0918
Start:		4:20UT
Object:		PG0918
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.21
DIMM:		0.5"-0.6"
Comments:       photom. std

B 4s		FORS2_STD025.2.fits	IQ=0.85
V 4s		FORS2_STD025.3.fits	IQ=0.8
R 2s		FORS2_STD025.4.fits	IQ=0.8
I 4s		FORS2_STD025.5.fits	IQ=0.75

B 4s		FORS2_STD025.6.fits	IQ=0.9 
V 4s		FORS2_STD025.7.fits	IQ=0.75
R 2s		FORS2_STD025.8.fits	IQ=0.7
I 4s		FORS2_STD025.9.fits	IQ=0.65

...................................................................
OB-Name:        Phot_SR_PG1047
Start:		4:37UT
Object:		PG1047
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.444
DIMM:		0.6
Comments:       photom. std
		stars elongated due to faint guide star close to the moon

B 7s		FORS2_STD025.10.fits
V 4s		FORS2_STD025.11.fits
R 2s		FORS2_STD025.12.fits
I 4s		FORS2_STD025.13.fits

B 4s		FORS2_STD025.14.fits
V 4s		FORS2_STD025.15.fits
R 2s		FORS2_STD025.16.fits
I 4s		FORS2_STD025.17.fits

...................................................................
OB-Name:        HH34_R_600
Start:		4:52
Object:		HH34
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.42
DIMM:		0.9
Comments:       pre-imaging; many stars overexposed
		wrong coordinates?

R 600s		FORS2_IMG025.3.fits	no AO, aborted
R 600s		FORS2_IMG025.4.fits

...................................................................
OB-Name:        Img_GD108
Start:		5:10UT
Object:		GD108
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.1
DIMM:		0.65
Comments:       pre-imaging for FIMS standard star

B 5s		FORS2_STD025.18.fits

...................................................................
OB-Name:        ima_HH34_SII_SR
Start:		5:15UT
Object:		HH34
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.56
DIMM:		0.75
Comments:       we try again

R 300s		FORS2_IMG025.5.fits

...................................................................
OB-Name:        Img_LTT4816
Start:		5:29UT
Object:		LTT4816
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.5
DIMM:		0.75
Comments:       pre-imaging for spectro standard FIMS

B 5s		FORS2_STD025.19.fits

...................................................................
OB-Name:        Phot_SR_Rubin149
Start:		5:35UT
Object:		Rubin149
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.22
DIMM:		0.7
Comments:       phot std

B 4s		FORS2_STD025.20.fits
V 4s		FORS2_STD025.21.fits
R 2s		FORS2_STD025.22.fits
I 4s		FORS2_STD025.23.fits

...................................................................
OB-Name:        Phot_SR_Rubin152
Start:		5:45
Object:		Rubin152
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.23
DIMM:		0.7
Comments:       phot std; FIRST SET OF EXPOSURES IS THE WRONG FIELD

B 4s		FORS2_STD025.24.fits
V 4s		FORS2_STD025.25.fits
R 2s		FORS2_STD025.26.fits
I 4s		FORS2_STD025.27.fits

new coordinates now, but still wrong:
B 4s		FORS2_STD025.28.fits
V 4s		FORS2_STD025.29.fits
R 2s		FORS2_STD025.30.fits
I 4s		FORS2_STD025.31.fits

...................................................................
OB-Name:        ima_N4038_39
Start:		6:08UT
Object:		N4038_39
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.19
DIMM:		0.7
Comments:       pre-imaging, PR?  but fairly close to the moon

B 300s		FORS2_IMG025.6.fits
V 240s		FORS2_IMG025.7.fits
R 240s		FORS2_IMG025.8.fits	IQ=0.75
I 300s		FORS2_IMG025.9.fits


...................................................................
OB-Name:        ima_N4329A
Start:		6:41UT
Object:		N4329A
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.18
DIMM:		0.65
Comments:       pre-imaging, close to the moon

B 300s		FORS2_IMG025.10.fits
V 240s		FORS2_IMG025.11.fits
R 240s		FORS2_IMG025.12.fits	IQ=0.65
I 300s		FORS2_IMG025.13.fits

...................................................................
OB-Name:        NGC3201_E
Start:		7:04UT
Object:		NGC3201
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.08
DIMM:		0.8
Comments:       image quality

B 10s		FORS2_STD025.32.fits
B 30s		FORS2_STD025.33.fits	IQ=0.8

...................................................................
OB-Name:        Phot_SR_Rubin149
Start:		7:18UT
Object:		Rubin149
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.83
DIMM:		0.8
Comments:       phot std

B 4s		FORS2_STD025.34.fits
V 4s		FORS2_STD025.35.fits
R 2s		FORS2_STD025.36.fits
I 4s		FORS2_STD025.37.fits

...................................................................
OB-Name:        Phot_SR_Rubin152
Start:		7:30UT
Object:		Rubin152
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.81
DIMM:		0.8
Comments:       phot std; correct coordinates now!

B 4s		FORS2_STD025.38.fits
V 4s		FORS2_STD025.39.fits
R 2s		FORS2_STD025.40.fits
I 4s		FORS2_STD025.41.fits

...................................................................
OB-Name:        Phot_HR_SA98
Start:		7:45UT
Object:		SA98
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	2.85
DIMM:		0.9
Comments:       phot std, we hit the alt limit before the I filter

B 4s		FORS2_STD025.42.fits
V 4s		FORS2_STD025.43.fits
R 2s		FORS2_STD025.44.fits

...................................................................
OB-Name:        Phot_SR_Rubin149
Start:		7:52UT
Object:		Rubin149
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	2.22
DIMM:		0.8
Comments:       phot std

B 4s		FORS2_STD025.45.fits
V 4s		FORS2_STD025.46.fits
R 2s		FORS2_STD025.47.fits
I 4s		FORS2_STD025.48.fits

...................................................................
OB-Name:        Phot_SR_PG0918
Start:		8:00UT
Object:		PG0918
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.36
DIMM:		0.8
Comments:       photom. std

B 4s		FORS2_STD025.49.fits	IQ=0.85
V 4s		FORS2_STD025.50.fits	IQ=0.8
R 2s		FORS2_STD025.51.fits	IQ=0.8
I 4s		FORS2_STD025.52.fits	IQ=0.75

...................................................................
OB-Name:        Phot_SR_PG1047
Start:		8:08UT
Object:		PG1047
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.13
DIMM:		0.7
Comments:       photom. std
		stars elongated due to faint guide star close to the moon

B 4s		FORS2_STD025.53.fits
V 4s		FORS2_STD025.54.fits
R 2s		FORS2_STD025.55.fits
I 4s		FORS2_STD025.56.fits

...................................................................
OB-Name:        ima_N4565A
Start:		8:23UT
Object:		N4565A
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.6
DIMM:		0.7
Comments:       pre-imaging, close to the moon

R 60s		FORS2_IMG025.14.fits

...................................................................
OB-Name:        ima_N4565B
Start:		8:33UT
Object:		N4565B
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.6
DIMM:		0.7
Comments:       pre-imaging, close to the moon

R 60s		FORS2_IMG025.15.fits

...................................................................
OB-Name:        ima_N4565C
Start:		8:41UT
Object:		N4565C
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.58
DIMM:		0.7
Comments:       pre-imaging, close to the moon

R 60s		FORS2_IMG025.16.fits

...................................................................
OB-Name:        ima_N4594So
Start:		8:49UT
Object:		NGC4594
Coll./Mode:	SR IMG
CCD:		ABCD,1x1,low
Airmass:	1.03
DIMM:		0.8
Comments:       pre-imaging, close to the moon

B 300s		FORS2_IMG025.17.fits
V 240s		FORS2_IMG025.18.fits
R 240s		FORS2_IMG025.19.fits	IQ=0.65


**********************
FORS2 Calibration Plan
**********************
Sky flats morning
-------------------------
OB: skyflat_morn_SR_RVIB_1104-2700
    ABCD, 1x1, low

R window 9:13UT		FORS2_IMG_CALSKY025.fits	too low
R window 9:16UT		FORS2_IMG_CALSKY025.1.fits	too low
R window 9:20UT		FORS2_IMG_CALSKY025.2.fits	too low
R window 9:24UT		FORS2_IMG_CALSKY025.3.fits	too low
R window 9:27UT		FORS2_IMG_CALSKY025.4.fits	ok
R 60s      		FORS2_IMG_CALSKY025.5.fits	16000
R 51s      		FORS2_IMG_CALSKY025.6.fits	18000
R 42s          		FORS2_IMG_CALSKY025.7.fits	19000
						
V window 9:33UT		FORS2_IMG_CALSKY025.8.fits	ok
V 42s			FORS2_IMG_CALSKY025.9.fits	19000
V 34s			FORS2_IMG_CALSKY025.10.fits	21000
V 27s			FORS2_IMG_CALSKY025.11.fits	21700
		
wheel 3 stuck, ok at 2nd attempt
				
I window 9:39UT		FORS2_IMG_CALSKY025.12.fits	ok
I 17s			FORS2_IMG_CALSKY025.13.fits	22000
I 12s			FORS2_IMG_CALSKY025.14.fits	22000
I 10s			FORS2_IMG_CALSKY025.15.fits	22000

B window 9:43UT		FORS2_IMG_CALSKY025.16.fits	ok
B 7.5s			FORS2_IMG_CALSKY025.17.fits	24000
B 5.6s			FORS2_IMG_CALSKY025.18.fits	23000
B 4.4s			FORS2_IMG_CALSKY025.19.fits	23000

****************************
End of Nightsky Observations
****************************
start closing at UT
end   closing at UT

Telescope in:    zenith
Dome in:         park
FORS2 in:        calibration position



********************
Daytime Calibrations
********************
FORS2 calibration plan: Biases
------------------------------
OB:  bias-ABCD-1x1
ABCD,1x1,low                    FORS2_IMG_CAL025.-4.fits
ABCD,1x1,high                   FORS2_IMG_CAL025.5-9.fits

OB:  bias-A-1x1
A,1x1,low                       FORS2_IMG_CAL025.10-14.fits
A,1x1,high                      FORS2_IMG_CAL025.15-19.fits

comments: 


************
Action Items
************



********************************************************************
  *  Gero Rupprecht                http://www.eso.org/~grupprec  *
 * * Optical Instrumentation Group         +49-89-32006-355     * *
  *  European Southern Observatory         Garching/Germany      *
********************************************************************