Shift report B18 August 9 1999, 1:00am EDT, GMT 221:05:00

ACIS Activities;

We opened the door, 'nuff said.


Spacecraft perigee passage

Day 220
GMT	Alt	FP Temp		1CR[AB]T	1WR[AB]T	1CB[AB]T
12:50	12,000	-118.7 C	-127.9/-127.9	-82.0/-82.0	-62.4/-59.9
14:23	15,500	-112.3 C	-113.5/-113.5	-77.1/-77.1	-62.4/-59.9
15:30	27,000  -106.4 C	-113.5/-111.1   -77.1/-77.1     -62.4/-59.9

START BAKEOUT PROCEDURE, turn on FP heater at 220:15:47:45,
vacuum monitor is at 8.3e-6 Torr

16:09	?????   -59.7 C		-103.9/-103.9   -79.6/-79.6     -62.4/-59.9

Turn on DH Bakeout heater, GMT 220:16:12:00

16:12	34,500   
16:25	??????  -38.4 C		-96.6/-94.2	-79.6/-79.6     -55.0/-50.0
18:10	52000	+30.2 C		-55.0/-55.0     -62.4/-62.4     -17.6/-10.0
18:22	54000	+30.8 C		-52.5/-52.5     -59.9/-59.9     -15.1/-7.5
18:33	55000   +30.8 C		-52.5/-52.5	-57.4/-57.4	-10.0/-5.0
19:57	60000   +31.3 C		-50.0/-50.0	-45.0/-45.0	 7.6/15.2
21:05   ?????   +31.6 C		-50.0/-47.5	-37.6/-37.6	17.8/22.8


Ready for the Door Opening

OBSID 62747

1st Heating Cycle
	Duration	max Temp	Shaft Rot	Close Sw   Open Sw
20:50	90 s		56.1		0.0		CLOSED	   NOPEN
????	110 s		68.9		11.7		NCLOSED    NOPEN
21:50   125 s		79.2		19.5		NCLOSED	   NOPEN
22:15   140 s		87.0		36.4		NCLOSED	   NOPEN
22:55	200 s		110.3		71.5		NCLOSED	   OPEN


Yippee !!! The door is open !!!!!
The door mechanism worked just fine.  The 11.7 degree rotation on the second
cycle indicates that stiction in the O-ring was minimal or non-existent.


Plan for the rest of the night is to cool the DH and focal plane back
to -60 C and -90 C respectively.


Staff
- Paul Plucinsky, Andrew Northrup, Ed Bougahn, Mark Bautz, Neil Tice, Ellen Sen, Peter Ford, and a bunch of tourists
- SOT Lead Bill Podgorski and Mike Juda