Subject: 4Q1999 APO 3.5m Preliminary Schedule

From: elt@astro.Princeton.EDU

Submitted: Sat, 18 Sep 1999 14:35:42 -0400 (EDT)

Message number: 381 (previous: 380, next: 382 up: Index)

		PRELIMINARY ARC 3.5M SCHEDULE FOR 4TH QUARTER 1999
			     E. TURNER 9/18/99


			NOTES: ***PLEASE READ***

	Except in cases where strong science drivers dictate otherwise
	(a minority of cases), observing time has again been scheduled
	in half night blocks.  
	
	Scheduled engineering time for this quarter amounts to 11 nights.
	Of these, 7 are for a one week shutdown for maintenance of the
	telescope drives.  This shutdown is scheduled to coincide with
	the burning of many piles of wood (cleared underbrush) in the 
	APO-Sunspot area by the US Forest Service, the smoke from which
	might well have prevented observations anyway.  There is the
	further possibility that smoke from these fires will interfere
	with observations during the period 25-28 November, inclusive,
	but the probability of problems during these final "clean up"
	days of the burn is considerably less than in its earlier phase.
	Thus, scheduled engineering time will be at approximately the 12%
	level.

	In addition to scheduled engineering time, science observations
	may be pre-empted, sometimes on short notice, for urgent
	engineering tasks.  Such tasks include both work that is required
	to safeguard observatory personnel or facilities and that allows
	"hot pursuit" of some significant problem.  In particular, see
	apo35-general message #378.

	There is no OPEN time available this quarter (at this point).

	IMPORTANT NOTE: Starting this quarter, scheduled telescope time
	runs from nautical to nautical (-12 deg) twilight rather than
	being bounded by the astronomical (-18 deg) twilights.  This adds
	approximately one hour of scheduled time per night.  In addition,
	the first and last scheduled program of the night is *assumed* by
	*default* to have use of the time between sunset or sunrise,
	respectively, and nautical twilight for either calibration or
	observing.  The first scheduled observer of the night should thus
	be available to commence operations at the time of APO sunset or
	should inform site staff in advance if the pre-nautical twilight
	time is not needed.  Likewise, site staff will inform the relevant
	observer as early as possible if engineering activities will
	pre-empt the telescope before/after nautical twilight, as will
	sometimes happen.  Neither institutions nor programs will be charged
	for the use of time between nautical twilight and sunset/sunrise,
	of course.  These changes in policy are intended to formalize what
	has become our de facto practise.

	-----
	EN Note: No science observations scheduled during EN time.
	-----
	EN01 = EN01 Gill ? O
		Routine periodic engineering time.
	EN02 = EN02 Gill ? O
		Shutdown for telescope drive maintenance.

	-----
	DD Note: Director's Discretionary Time (6.6%)
	-----
	DD01 = 994DD01 Case InSbCam O
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.
	DD02 = 994DD02 Wood FabPer O
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.
		Linked to UW05
	DD03 = 994DD03 Mill D R? (low, medium)
		Compensation for time given up to GRB chase last year.
	DD04 = 994DD04 Haye S O
		SDSS Observer science program.

	-----
	JHU Note:  100% of nominal share scheduled.
	-----
	JH01 = 4Q99JH01 Semb E O
		See policies described in apo35-general post #219
		concerning on-site training and certification.
	JH02 = 4Q99JH02 Ande S O
		See policies described in apo35-general post #219
		concerning on-site training and certification.
	JH03 = 4Q99JH03 Davi D R (low)
	JH04 = 4Q99JH04 Wyse G R
	JH05.D = 4Q99JH05 Zhen D R (low)
	JH05.G = 4Q99JH05 Zhen G R
	JH06 = 4Q99JH06 Ford D R (low, high)

	-----
	NMSU Note: 100% of nominal share scheduled.
	-----
	NM01 = NM01 Step G R
	NM02 = NM02 Chan AOTF O
		This program imposed so many and complex scheduling
		constraints that I could not find an entirely
		satisfactory solution, in part due to the USFS
		wood burning linked shutdown (see above), despite
		its high priority.  If the scheduled time is not
		usable, please inform me and declare OPEN ASAP.
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.
	NM03 = NM03 Marl OccCam O
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.
		Non-block scheduling.
	NM04 = NM04 Leeb G R
	NM05 = NM05 Klyp D R (medium)
	NM06 = NM06 Gala S R
	NM07 = NM07 Harr D R (high)
	NM08 = NM08 Hame S R
		Dark time not available at priority and within the
		numerous restrictions; grey time scheduled instead.
		Please inform me and declare OPEN ASAP if it is not
		usable.
	NM09 = NM09 Maso G O
	NM10 = NM10 Walt S/D O (high)
		Switch from SPIcam to DIS during middle of half night
		block.
	NM11.S = NM11 King S O
	NM11.D = NM11 King D O (high)

	-----
	PU Note: 100% of nominal share scheduled.
	-----
	PU01.D = PU01 Stra D R (low, high)
	PU01.G = PU01 Stra G O
	PU02 = PU02 Turn S O
		Non-block scheduling.  See note in BLOCK CAPS just before 
		schedule below.
	PU03 = PU03 Trem S R
	PU04 = PU04 Knap D R
		See policies described in apo35-general post #219
		concerning on-site training and certification.
	PU05 = PU05 Stra D O (low, medium)
	PU06 = PU06 Pind D R (low)
	PU07 = PU07 Infa G R

	-----
	UC Note: 100% of nominal share scheduled.
	-----
	UC01 = 313 Dunc E R
		Schedule constraints refer to 1Q, not 4Q, and so are
		useless!  The instructions for scheduling requests explicitly
		ask that PIs give date preferences, not celestial coordinates
		to "keep in mind".  I can do it, but it slows down the
		already cumbersome scheduling process too much.  If the
		scheduled time is not usable, please inform me and declare it
		OPEN ASAP.
	UC02 = 308 York D R (medium)
	UC03 = 312 York E R
	UC04 = 307 Hobb E R
		Scheduling constraint discussion does not correspond to the
		number of nights allocated by TAC.
	UC05 = 310 Dunc E R?
		Observing mode (remote or on-site) not specified; please
		in form me and site ASAP.
		See policies described in apo35-general post #219
		concerning on-site training and certification.
	UC06 = 314 Frie D R (low)
	UC07 = 315 Hobb E R
		It was only possible to schedule 2 of the 3 half nights
		which the TAC allocated to this program due to its priority
		and numerous scheduling constraints.
	UC08 = 309 Kent D R (high)
		No first halves available at this priority.
	UC09 = 316 Dunc D R (high)
	UC10 = 318 Kent G R
	UC11 = 311 York ? R
		Adler Planetarium twilight program (not accounted to UC).
		Use instrument mounted for the night's first program.
                Non-block scheduling.  See note in BLOCK CAPS just before
                schedule below.  Ten of the 12 requested dates scheduled.
		NOTE: This program will now run for 60, rather than the
		former 90, minutes per night due to the expansion of the
		scheduled science time to nautical twilights (see above).

	-----
	UW Note: 102% of nominal share scheduled.
	-----
	UW01 = UW01 Ande D R (low)
	UW02.S = UW02 Kris S R
	UW02.G = UW02 Kris G R
		Non-block scheduling.  See note in BLOCK CAPS just before
		schedule below.
		As in previous quarters, the scheduling constraint information
		provided for this program is incomplete, confusing and
		inconsistent with the TAC allocation.  For example, this time
		there is no indication of how much time per night, preferred
		part of the night, which instrument for which nights, etc.
		I have just guessed, but this is a distraction in the already
		cumbersome scheduling process.  The program will not be
		scheduled in future quarters unless adequate scheduling
		information is provided in a clear way.
	UW03 = UW03 Szko D R (high)
	UW04 = UW04 Hoga S R
		Please identify one PI per program for contact purposes.
	UW05 = UW05 Stub FabPer O
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.  This program is linked to DD02.  Please identify
		one PI per program for contact purposes.
	UW06 = UW06 Wyde S R
	UW07 = UW07 Szko D R (low, high)
	UW08 = UW08 Greb S R
		The instructions for scheduling requests explicitly ask that
		you specify preferred and/or acceptable dates rather than
		object coordinates.  Also, personal travel constraints should
		be under Special Requirements.  If the scheduled time is not
		usable, please inform me and declare OPEN ASAP.
	UW09 = UW09 Gonz E R
	UW10 = UW10 Stub FTSpec O
                These observations involve the use of visitor instruments.
                The time is scheduled contingent upon the PI obtaining
                Bruce Gillespie's explicit agreement that all the technical
                and logistical arrangements involving the instrument are
                satisfactory at least 10 days prior to the scheduled
                observations.
		Low priority prevented scheduling of consecutive nights, but
		all are within a single week at least.
	UW11 = UW11 Lewi E S
		See policies described in apo35-general post #219
		concerning on-site training and certification.
		Scheduled time is darker than requested due to requirement
		of two consecutive full nights and low priority.
	UW12 = Zuck S/G? R
		Only available time scheduled although target object is
		poorly placed.  If the time is not usable, please inform
		me and declare OPEN ASAP.

	-----
	WSU Note: 100% of nominal share scheduled.
	-----
	WS01 = WS01 Brow E R
	WS02 = WS02 Aust D R (low)
	
	
	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	MOST PROGRAMS ARE SCHEDULED IN HALF NIGHT BLOCKS.  THE FIRST HALF OF
	EACH NIGHT EXTENDS FROM EVENING TWILIGHT (SEE CALENDAR DISTRIBUTED
	BY GRETCHEN) UNTIL 0110 MDT OR 1210 MST.

	FIRST HALF IS INDICATED BELOW AS "A"; THE SECOND HALF THEN 
	EXTENDS UNTIL MORNING TWILIGHT AND IS INDICATED BELOW AS "B".

	THIS QUARTER THREE DIFFERENT PROGRAMS USE NON-BLOCK SCHEDULING.
	THESE PROGRAMS ARE INDICATED IN PARENTHESES () ON THE SCHEDULE
	AND THEIR TIME ALLOTMENTS ARE LISTED HERE:
	PU02 = 50 MIN EACH TIME SCHEDULED.
	UC11 = 60 MIN IN TWILIGHT EACH TIME SCHEDULED.
	UW02.S = 60 MIN EACH TIME SCHEDULED.
	UW02.G = 60 MIN EACH TIME SCHEDULED.

	INSTRUMENT CHANGE TIMES ARE NOT INCLUDED BELOW BUT WILL BE INDICATED
	IN THE SCHEDULE ISSUED FROM APO BY GRETCHEN AND WILL BE SHARED
	BETWEEN ADJOINING PROGRAMS AS USUAL.
	++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
	++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

	10/1	A: (UC11)/(PU02)/UC03
		B: UC04

	10/2	A: (UW02.S)/UC02
		B: JH04

	10/3	A: PU01.D
		B: PU01.D

	10/4	A: (PU02)/PU01.D
		B: PU05

	10/5	A: (UW02.S)/PU01.D
		B: PU05

	10/6	A: PU01.D
		B: PU01.D

	10/7	A: (PU02)/UC02
		B: UC02

	10/8	A: UC02
		B: UC02

	10/9	A: UW02.S[19:32-20:32]/NM03[20:32-01:10]
		B: NM03[01:10-02:00]/UW08[02:00-06:09]

	10/10	A: (PU02)/UC02
		B: UW08

	10/11	A: JH01
		B: UW01

	10/12	A: (PU02)/JH01
		B: UW06

	10/13	A: (UW02.S)/UC03
		B: UC08

	10/14	A: WS02
		B: UC08

	10/15	A: (UC11)/(PU02)/WS02
		B: UC08

	10/16	A: NM08
		B: UC08

	10/17	A: (UW02.G)/NM08
		B: UC08

	10/18	A: (PU02)/NM07
		B: UW10

	10/19	A: EN01
		B: EN01

	10/20	A: (UW02.G)/UW10
		B: UW10

	10/21	A: NM04
		B: JH04

	10/22	A: (UC11)/(PU02)/UW10
		B: UW10

	10/23	A: (UW02.G)/UC04
		B: JH05.G

	10/24	A: JH02
		B: JH02

	10/25	A: (PU02)/UC05
		B: UC05

	10/26	A: (UW02.G)/NM04
		B: NM04

	10/27	A: (PU02)/UC04
		B: UC05

	10/28	A: EN01
		B: EN01

	10/29	A: (UC11)/(UW02.G)/PU01.G
		B: PU01.G

	10/30	A: (PU02)/UW07
		B: PU01.G

	10/31	A: NM11.S
		B: NM11.D

	11/1	A: PU03
		B: PU07

	11/2	A: (UW02.S)/PU03
		B: NM10

	11/3	A: (PU02)/UW04
		B: UW01

	11/4	A: WS02
		B: UC06

	11/5	A: (UC11)/(PU02)/WS02
		B: UC06

	11/6	A: (UW02.S)/WS02
		B: UC06

	11/7	A: UW07
		B: UC06

	11/8	A: (PU02)/UW07
		B: UW04

	11/9	A: NM06
		B: NM06

	11/10	A: (UW02.S)/NM06
		B: NM06

	11/11	A: (PU02)/UC03
		B: UW04

	11/12	A: (UC11)/(UW02.S)/UW01
		B: UW06

	11/13	A: UW03
		B: JH06

	11/14	A: UW03
		B: PU07

	11/15	A: (UW02.G)/DD03
		B: DD04

	11/16	A: (PU02)/DD01
		B: DD01

	11/17	A: (UW02.G)/DD01
		B: DD01

	11/18	A: EN02
		B: EN02

	11/19	A: EN02
		B: EN02

	11/20	A: EN02
		B: EN02

	11/21	A: EN02
		B: EN02

	11/22	A: EN02
		B: EN02

	11/23	A: EN02
		B: EN02

	11/24	A: EN02
		B: EN02

	11/25	A: (UW02.G)/NM02
		B: JH03

	11/26	A: (UC11)/(PU02)/NM02
		B: UW09

	11/27	A: UW09
		B: UW09

	11/28	A: (UW02.G)/DD03
		B: NM02

	11/29	A: (PU02)/UC07
		B: DD04

	11/30	A: UC07
		B: PU07

	12/1	A: (PU02)/UW04
		B: UC03

	12/2	A: (UW02.S)/UW08
		B: JH06

	12/3	A: (UC11)/UW08
		B: PU06

	12/4	A: (PU02)/JH05.D
		B: JH03

	12/5	A: JH05.D
		B: UC02

	12/6	A: (UW02.S)/UW04
		B: UW12

	12/7	A: (PU02)/NM05
		B: PU01.D

	12/8	A: NM05
		B: PU06

	12/9	A: (PU02)/NM05
		B: UW06

	12/10	A: (UC11)/(UW02.S)/UW05
		B: UW05

	12/11	A: UW05
		B: DD02

	12/12	A: (PU02)/UW05
		B: DD02

	12/13	A: UW05
		B: DD02

	12/14	A: (UW02.G)/UW05
		B: DD02

	12/15	A: (PU02)/UW01
		B: WS01

	12/16	A: EN01
		B: EN01

	12/17	A: (UC11)/(UW02.G)/UC01
		B: WS01

	12/18	A: (PU02)/UC01
		B: WS01

	12/19	A: UC01
		B: WS01

	12/20	A: (UW02.G)/UC01
		B: WS01

	12/21	A: (PU02)/UC01
		B: UC01

	12/22	A: NM09
		B: NM09

	12/23	A: (UW02.G)/UW11
		B: UW11

	12/24	A: (PU02)/UW11
		B: UW11

	12/25	A: UW09
		B: UW09

	12/26	A: (UW02.G)/NM01
		B: NM01

	12/27	A: EN01
		B: EN01

	12/28	A: (PU02)/PU04
		B: NM01

	12/29	A: (UW02.S)/PU04
		B: UC09

	12/30	A: (PU02)/UW09
		B: UC09

	12/31	A: (UW02.S)/UC10
		B: UC10


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