%A list of dimming events. There are 113 events. Last amended 9/04/96.

Check Kano's list. Also Hiei's.

ET: type of main x-ray event
DT: type of dimming event
TM: timing of dimming
OE: other events

TCH: transient coronal hole
PC:  polar crown
PCH: polar coronal hole
HR:  holy roller


******
*1991*
******

 
*September 28-29, 1991. 10:30UT - 00:00UT. 

 Location: 	N20 W20 roughly

 ET:	arcade, tails
 DT:	HR
 TM:	
 OE:	DB

*October 12, 1991. 05:00UT - 09:00UT. 

 Location:  NW

 ET:
 DT:	Dimming with bright edge.	
 TM:	
 OE:	

*October 18-19, 1991. 00:00UT - 00:00UT.

 Location: 	

 ET:	arcade
 DT:	dark lane
 TM:	pre-event
 OE:	

*November 3, 1991. 21:40UT - 23:20UT. 

 Location:  South Central

 ET:	
 DT:	Complex mid-scale dimmings?
 TM:	
 OE:	

*November 6, 1991. 01:00UT - 07:00UT. 

 Location: South. 

 ET:	
 DT:	Unvailing of existing hole?
 TM:	
 OE:

*November 16, 1991. 00:00UT - 00:00UT. 

 Location: E of CM 

 ET:	
 DT:	Dimming on the south slightly. Two.
 TM:	
 OE:

*December 12-13, 1991. 20:00UT - 10:00UT. 

 Location:  E0 south

 ET:	Brightenings
 DT:	Dimming, complex geometry.
 TM:	
 OE:
	
*December 18, 1991. 22:00UT -->. 

 Location:  S20 E20

 ET:	wave of brightness "over" CH, part of large restructuring
 DT:	
 TM:	
 OE:

*December 19, 1991. 00:30UT - 10:00UT. 

 Location:  NE

 ET:	large-scale restructurings
 DT:	including dimmings
 TM:	
 OE:


******
*1992*
******


*January 13, 1992. 00:00UT - 00:00UT. 

 Location: SE limb 

 ET:	nice eruption
 DT:	
 TM:	
 OE:

*February 21, 1992. 04:00UT - 22:44UT. 

 Location:  S20 W10. 

 ET:	filamentary, arcade (tied)
 DT:	uncovering, changes in adjacent CH?
 TM:	
 OE:	DB

*March 5, 1992. 03:00UT - 08:00UT. 

 Location: E0 South 

 ET:	
 DT:	Nice TCH with bright edges, complex geometry.
 TM:	
 OE:

*March 9, 1992. 00:00UT - 00:00UT. 

 Location: E0 south  

 ET:	Beautiful string --> arcade
 DT:	Darkenings?
 TM:	
 OE:

*March 10, 1992. 13:04UT -->. 

 Location:  

 ET:	
 DT:	Nice pair of TCHs: opening of the PCH and Eq HR.
	Also holes towards the limb, back along the NL?
 TM:	
 OE:

*March 11, 1992. 18:00UT. 

 Location:  NE

 ET:	Nice helmet
 DT:	Dimming
 TM:	
 OE:

*March 14, 1992. 16:43UT. 

 Location:  NE

 ET:	Thread to arcade
 DT:	Paired dimmings
 TM:	Early?
 OE:

*March 29, 1992. 04:00UT - 00:00UT. 

 Location: S10 E5 [S20 E30]

 ET:	Medium arcade
 DT:	Darkening at southern end; HR
	[Associated dimming?]
 TM:	late in the event.
 OE:

*March 27, 1992. 15:00UT. 

 Location:  S50 E10

 ET:	
 DT:	TCH (nested)
 TM:	
 OE:

*April 24, 1992. 23:00UT - 00:00UT. 

 Location:  S central-west

 ET:	Complex event
 DT:	Paired HRs. Holes uncovered/covered/uncovered?
 TM:	Early
 OE:

*April 27, 1992. 10:00UT -->. 

 Location: 

 ET:	
 DT:	Nice TCH 
 TM:	Early on
 OE:

*April 29, 1992. 21:00UT - 00:00UT. 

 Location: SE 

 ET:	faint arcade (switchback), then the PC 
 DT:	Dimming to south
 TM:	
 OE:

*May 11, 1992. 00:00UT - 00:00UT. 

 Location: across CM 

 ET:	Dark channel along NPC.
 DT:	
 TM:	
 OE:

*May 11, 1992. 00:00UT. 

 Location: Same place as above. 

 ET:	
 DT:	Faint TCH?
 TM:	
 OE:

*May 13, 1992. 05:00UT. 

 Location:  S10 W10

 ET:	
 DT:	Possible small TCH.
 TM:	
 OE:

*May 23, 1992. 12:10UT. 

 Location:  S40 W5

 ET:	
 DT:	Small TCH
 TM:	
 OE:

*June 1, 1992. 12:00UT. 

 Location:  S15 E0

 ET:	Covoluted arcade event.
 DT:	Nice TCH in central part. TCHs further south too?
 TM:	Early on, as the north brightens.
 OE:

*June 2, 1992. 00:00UT - 00:00UT. 

 Location:  S0 W30

 ET:	Arcade
 DT:	Darkening
 TM:	Before.
 OE:

*June 11, 1992. 04:40UT - 00:00UT. 

 Location: NE 

 ET:	Like April 27?
 DT:	TCH at one side.
 TM:	Early
 OE:

*June 11, 1992. 11:27UT. 

 Location:  S E0.

 ET:	Whirl with wings.
 DT:	Darkenings.
 TM:	
 OE:

*June 6-7, 1992. 22:40UT - 6:00UT. 			**

 Location:  Near North, E0

 ET:	Large diffuse event.
 DT:	Several TCHs
 TM:	One early, one late.
 OE:

*June 25-26, 1992. 00:00UT - 00:00UT. 

 Location:  N W10. 

 ET:	arcade, tails
 DT:	HR, also dimming on the far side (NW).
 TM:
 OE:	
 
*June 30, 1992. 00:00UT (gap from 16:00). 

 Location:  SE

 ET:	arcade?
 DT:	TCH single? southend
 TM:	
 OE:

*July 1, 1992. 00:00UT - 00:00UT. 

 Location:  S30 W15

 ET:	bright curving loops
 DT:	central dark feature TCH?
 TM:	
 OE:

*July 2, 1992. 00:00UT - 00:00UT. 

 Location:  S0 W15

 ET:	
 DT:	possible faint TCH
 TM:	
 OE:

*July 11, 1992. 05:32UT - 14:00UT. 

 Location:  E0 N0

 ET:	anemonie eruption?
 DT:	small TCH
 TM:	before/during
 OE:

*July 16-18, 1992. 05:00UT - 04:00UT. 

 Location: NE 

 ET:	arcade
 DT:	darkening and closing at one side, other side not visible
	next to CH
 TM:	during
 OE:

*July 20, 1992. 12:00UT - 20:00UT. 

 Location:  N30 W0

 ET:	arcade
 DT:	darkening (other side too?) next to arm of CH
 TM:	before/during? (data gap)
 OE:

*July 31, 1992. 00:00UT - 00:00UT.  

 Location: south CM  

 ET:	PC arcade
 DT:	Northern side TCH.
 TM: 	
 OE:

*August 1, 1992. 07:00UT - 20:00UT. 

 Location:  NE

 ET:	arcade expanding into CH
 DT:	possible opening/darkening of faint pre-event corona
 TM:	
 OE:

*August 12-13, 1992. 17:50UT - 03:15UT. 

 Location:  N10 W20

 ET:	arcade
 DT:	TCH on south side
 TM:	appears with brightening
 OE:

*August 18, 1992. 00:00UT - 06:00UT. 

 Location:  NW

 ET:	large arcade (DIA)
 DT:	dimming NW of the arcade, possibly near-side too, at 
	the arcade feet
 TM:	
 OE:

*August 26, 1992. 05:00UT - 11:00UT. 

 Location:  S10 E60

 ET:	arcade?
 DT:	small TCH, northside, probable obscuration
 TM:	late in the event
 OE:

*August 28, 1992. 00:00UT - 00:00UT. 

 Location: E 50 N10 

 ET:	
 DT:	small HR, next to CH, moves towards it
 TM:	appears with first bright loops
 OE:

*August 30, 1992. 06:00UT - 07:51UT. 

 Location:  

 ET:	brightenings, then later full arcade
 DT:	faint TCH 
 TM:	in early stages
 OE:

*September 16, 1992. ~19:00UT. 

 Location:  N30 W30

 ET:	arcade
 DT:	possible dimming due to removal of line of sight corona
 TM:	
 OE:

*September 26, 1992. 8:32UT - 17:50UT. 

 Location:  

 ET:	south polar crown arcade
 DT:	northside dimmings, then fills back in
 TM:	with arcade formation
 OE:

*September 29-30, 1992. 17:00UT - 20:00UT. 

 Location:  S10 E30 

 ET:	arcade brightening	
 DT:	dimming. 
	also: HR (sort of)/ faint dimming ~23:00 S10 W10
 TM:	
 OE:	filling-in of existing CH S25 E0

*November 2, 1992. 16:05UT - 19:37UT. 

 Location: N30 W10 

 ET:	`arcade', then eruption.. diffuse high latitude brightening
 DT:	dimming/TCH next to 
 TM:	during...before
 OE:

*October 9-10, 1992. 20:30UT - 07:00UT. 

 Location:  S20 E30

 ET:	
 DT:	bright rimmed (on closing side) HR, filling-in towards CH.
 TM:	
 OE:

*October 14, 1992. 17:45UT - 24:00UT. 

 Location:  S40 E5

 ET:	arcade, horse-shoe shapped bright loops, corner-turning event
 DT:	nice single HR, in center of loops, bright on closing side
 TM:	pre-flare
 OE:

*November 5, 1992. 01:20UT - 10:00UT. 

 Location:  S30 W20. [N15 E0]

 ET:	Arcade, [Larger arcade, 11/4 23:30 - 11/6 3:00.]
 DT:	darkenings, [large transient hole, opens/closes, otherside dims 11/6]
 TM:	Pre-eruption, pre-arcade [post-arcade, may start same time]
 OE:	DB

*November 5-6, 1992. 11:30UT - 03:00UT. 

 Location:  S20 E20

 ET:	
 DT:	closing of CH channel
 TM:	
 OE:

*December 6, 1992. 5:30UT - 7:30UT. 

 Location:  W60 S20

 ET:	bright loops
 DT:	small TCH, nested
 TM:	
 OE:

*December 12, 1992. 14:52UT. 

 Location:  NE

 ET:	bright arcade
 DT:	dimming above it?
 TM:	
 OE:

*December 22, 1992. 00:00UT - 00:00UT.  

 Location:  South central 

 ET:	eruption 
 DT:	TCH
 TM: 	post-event
 OE:	

*December 25, 1992. ~09:00UT. 

 Location:  

 ET:	south polar crown arcade
 DT:	darkenings along north edge as the arcade reforms
 TM:	mid-event
 OE:


******
*1993*
******


*January 7, 1993. 00:00UT - 00:00UT. 

 Location: N10 E20  

 ET:	flare at about 9:00
 DT:	`open' region, appears after the flare gradually closes
 TM:	after
 OE:

*January 11, 1993. 15:41UT - 18:58UT. 

 Location:  N5 E40

 ET:	faint arcade
 DT:	small TCH
 TM:	same
 OE:

*January 12, 1993. 11:18UT - 14:21UT. 

 Location:  S40 W15

 ET:	small PC arcade
 DT:	darkening in middle of large area
 TM:	
 OE:

*January 12, 1993. 00:00UT - 00:00UT.  

 Location:  south. (same??)

 ET:	like longhorn events
 DT:	openings next to SPCH
 TM:
 OE:	

*January 16, 1993. 13:40UT - 22:00UT. 

 Location:  N30-50 W10-30

 ET:	diffuse brightenings
 DT:	diffuse darkenings
 TM:	
 OE:

*January 16-17, 1993. 09:00UT - 20:00UT.  

 Location:  [ S45W10 , S30W20 ] [ S25W5 , S25W20 ]. 

 ET:	double arcade, filamentary
 DT:	nice double dimming 
	(also small TCH above the second arcad, Jan 17)
 TM:	same time as first faint loops?
 OE:	DBs

*January 21, 1993. 7:53UT - 17:14UT. 				**

 Location:  S20 W40

 ET:	bright loops, then small bright arcade to north (over EFR)
 DT:	nice TCH (south), initially nested, slight travel
	no sign of other `footpoint'
 TM:	before
 OE:

*February 14, 1993. 08:00UT - 15:00UT. 

 Location:  E0 S20

 ET:	arcade
 DT:	darkening around the whole footprint
 TM:	(data gaps)
 OE:

*February 18, 1993. 01:03UT - 04:00UT. 

 Location:  N30 W10

 ET:	increasing central brightness --> eruptive flare (4:00)
 DT:	3:51 - 15:00 pair of TCH, some bright edges
 TM:	post-flare
 OE:

*February 25-26, 1993. 10:00UT - 04:00UT. 

 Location: S44 E05, [ S32W24 S42W33 S57E31 S48E31 ]. 

 ET:	long arcade, switchback arcade (2/25)
 DT:	darkenings, second set (2/24 22:47) this reopens part of 
	the first arcade
 TM:	develops with the arcade
 OE:

*March 1-3, 1993.  13:00UT - 05:00UT. 

 Location:  N10-S50 E0-50 . 

 ET:	all sorts of diffuse loops, arcades
 DT:	transient holes, several sets
 TM:
 OE:	

*March 10, 1993. 6:34UT - 11:12UT. 

 Location:  S40 E50

 ET:	pair of diffuse arcades
 DT:	TCH
 TM:	appears with the arcades
 OE:

*March 13, 1993. 8:30UT - 12:31UT. 

 Location:  S20 E40. 

 ET:	small faint loops
 DT:	small TCH, nested. (possibly across the neutral line,
	near part closing first?)
 TM:
 OE:

*March 15, 1993. 11:39UT - 14:53UT. 

 Location:  S10 E10

 ET:	small arcade
 DT:	small HR at NE end of the arcade, nested?
 TM:	
 OE:

*March 19, 1993. 4:32UT - 12:00UT. 

 Location:  N7W0, S2W24, N20W20. 

 ET:	bright loops from 00:00 -- later arcade
 DT:	HR on edge CH, wrapped
 TM:
 OE:

*March 21-22, 1993. >09:00UT - 10:00UT.

 Location:  S60 W23, [ S47E14 S61E45 S40W90 S68W90 ]. 

 ET:	large arcade
 DT:	major darkening (both sides) and CH changes, whole footprint
 TM:
 OE:

*March 23, 1993. 23:25UT - 4:13UT. 				**

 Location:  

 ET:	small bright arcade in the channel
 DT:	channel at north edge of activated region darkens 
 TM:	before
 OE:

*March 23, 1993. 20:00UT - 24:16UT. 

 Location:  N20-40 E0. 

 ET:	faint diffuse
 DT:	HR
 TM:
 OE:

*March 31 - April 1, 1993. 08:56UT - 12:00UT. 

 Location:  S15 E50. 

 ET:	arcades around top of coronal hole  
 DT:	HR closes hole, nested, double hook
 TM:
 OE:

*April 17, 1993. 07:40UT - 22:40UT. 

 Location:  N40-50 W10

 ET:	faint brightenings
 DT:	faint dimmings
 TM:	
 OE:

*April 18-19, 1993. 00:00UT - 00:00UT. 

 Location:  [ S30W60,S45W5,S60E15,S65W60]. 

 ET:	large arcade,  south PC
 DT:	coronal hole changes north of PC, closing, 
	no sign of opening
 TM:
 OE:

*April 21, 1993. 14:00UT - 24:00UT. 

 Location:  E0 S30

 ET:	closing CH?
 DT:	TCH? HR with bright trailing edge
 TM:	
 OE:

*April 23, 1993. 13:00UT - 23:00UT. 

 Location:  S30 W50

 ET:	
 DT:	edged TCH, nested
 TM:	
 OE:

*April 24-25, 1993. 09:00UT - 05:00UT. 

 Location:  N10 E20

 ET:	associated arcade, some distance away
 DT:	long thin TCH opens
 TM:	same time 
 OE:

*April 30, 1993. 13:30UT - 20:00UT. 

 Location:  S0 E40

 ET:	various brightenings, then arcade
 DT:	partial dimming, beyond the arcade
 TM:	after brightenings, same time as main arcade
 OE:

*June 17-18, 1993. 09:34UT - 06:00UT. 

 Location:  S20E45 - S40E20. 

 ET:	sheet-like diffuse brightenings
 DT:	dimmings, especially visible on the far edge.. coronal tilt??
 TM:
 OE:

*June 29, 1993. 13:00UT - 20:00UT. 

 Location:  

 ET:	bright sheets
 DT:	dimming `under' the sheets
 TM:	after the sheets have faded (or blown off?)
 OE:

*July 6-7, 1993. 23:30UT - 07:45UT. 

 Location:  S20 E60

 ET:	2 arcades?
 DT:	possible dimming 
 TM:	with arcade appearence
 OE:

*July 30, 1993. 00:51UT - 22:30UT. 

 Location: S45 E10  

 ET:	turning the corner arcades
 DT:	dimming in between
 TM:	same time 
 OE:

*August 14, 1993. 04:00UT - 24:00UT. 

 Location:  

 ET:	south polar crown large arcade
 DT:	dimming on the north side, fills back in (over the pole?)
 TM:	
 OE:

*August 17, 1993. 04:00UT - 22:00UT. 

 Location: N20 E50 

 ET:	arcade
 DT:	darkening.. fill in on near side, next possible existing CH
 TM:	
 OE:

*August 30, 1993. 18:00UT -->. 

 Location:  S0-20 W10-E20

 ET:	various sheet like brightenings
 DT:	HR?, small moving dark feature
 TM:	
 OE:

*August 31, 1993. 00:00UT - 04:00UT. 

 Location:  S20 E70

 ET:	small arcade
 DT:	possible darkenings, far side and NW end
 TM:	
 OE:

*September 10, 1993. 10:20UT - 18:00UT. 

 Location:  N20 E15

 ET:	faint arcade
 DT:	TCH, one end of arcade, next to large CH
 TM:	
 OE:

*September 14, 1993. 05:00UT - 13:00UT. 

 Location:  N10 E20

 ET:	loops --> arcade
 DT:	darkenings around loops, then fills in
 TM:	
 OE:

*September 16, 1993. 10:00UT - 18:00UT. 

 Location:  S15 W50

 ET:	reforming arcade
 DT:	darkening along edge
 TM:	appears after bright loops, with the arcade
 OE:

*September 19, 1993. 13:13UT - 18:14UT. 

 Location:  S20 W0

 ET:	rolling sheet
 DT:	HR, dark along front edge of sheet
 TM:	
 OE:

*September 22-23, 1993. 02:30UT - 06:00UT. 

 Location:  SE quad

 ET:	large faint arcade SPC
 DT:	Probable darkening along north edge as arcade evolves
 TM:	
 OE:

*October 4-5, 1993. 23:10UT - 13:00UT. 

 Location:  E70 N0-40

 ET:	diffuse arcade
 DT:	dimming over top, towards the limb
 TM:	
 OE:

*October 5, 1993. 10:30UT - 24:00UT. 

 Location:  S40 W40

 ET:	small arcade after large one
 DT:	darkening along the north edge of the 1st arcade.
	this is filled in by the 2nd arcade, darkening along
	its southern edge (parts of 1st blown away?)
 TM:	
 OE:

*October 12, 1993. 04:00UT - 17:00UT. 

 Location:  N10-30 E0-20

 ET:	multiscale arcade loops
 DT:	faint darkening in the center
 TM:	
 OE:

*October 14, 1993. ~07:00UT. 

 Location:  N20 W20

 ET:	faint diffuse arcade
 DT:	dimming
 TM:	
 OE:

*October 19, 1993. 02:00UT - 17:00UT. 			**

 Location:  N10 E5

 ET:	bright filament --> arcade
 DT:	channel darkening, nested faint HR at SE end of arcade
 TM:	before, during
 OE:

*October 21-22, 1993. 02:50UT - 04:00UT.

 Location: S0-40 E20-W20

 ET:	compact arcade with sprawled, diffuse, wings
 DT:	dimming and large HR, opening along CH to south too
 TM:	pre-event, post-event
 OE:	Hida Ha

*October 22, 1993. ~04:00UT.

 Location: S0-40 E20-W20

 ET:	small arcade (triggered by the HR)
 DT:	fills in the end of the HR 
 TM:	
 OE:	

*November 8, 1993. 12:00UT - 24:00UT. 

 Location:  S20 E40

 ET:	small event at side of small AR
 DT:	pair of TCHs, northern one nice HR (poor data)
	darkening at other end too
 TM:	
 OE:

*November 13-14, 1993. 23:18UT - 08:00UT. 		**

 Location:  S60 W20

 ET:	bright fuzzy structure seems to dissappear
 DT:	dimming results
 TM:	
 OE:

*November 14, 1993. 23:00UT - 00:00UT. 

 Location:  N20E15 , N30E33. 

 ET:	small faint arcade 
 DT:	paired dimmings at ends?
 TM:
 OE:

*December 14-15, 1993. 16:00UT - 19:00UT.

 Location: S0-30 E20-W20

 ET:	longhorn arcade along SPCHex
 DT:	open channel, paied dimmings at each end
	SE end: nested HR, apparent L skew
 TM:	dimmings as center lights
 OE:	


******
*1994*
******


*, 1994. 00:00UT - 00:00UT.

 Location: 

 ET:	
 DT:	
 TM:	
 OE:	

*April 14-15, 1994. 02:30UT - 08:00UT. 

  Location:  S15W45, S50W60, S30E110, S60 E110. 

 ET:	mega arcade
 DT:	Reduced coronal holes, possible slight dimming
 TM:
 OE:	CME, 2R, tiny DB


*April 18, 1994. 00:00UT - 00:00UT. 

 Location:  S0-30 E20-W30. 

 ET:	two arcades
 DT:	CH opening
 TM:
 OE:


*June 19, 1994. 00:00UT - 00:00UT. 

 Location:  

 ET:	medium scale
 DT:	dimming
 TM:	pre-event
 OE:


*July 7, 1994. 00:00UT - 00:00UT. 

 Location:  N W15. 

 ET:	small eruption
 DT:	part of closing of equitorial hole
 TM:
 OE:


*October 25, 1994. 00:00UT - 00:00UT. 

 Location:   

 ET:	small AR
 DT:	two distinct darkenings
 TM:
 OE:


******
*1995*
******


*February 17, 1995. 00:00UT - 00:00UT. 

 Location:  

 ET:	
 DT:	HR diagonally of the ends
 TM:
 OE:
			

*May 12, 1995. 00:00UT - 00:00UT. 

 Location:  

 ET:	like figure 8
 DT:	HR on west, open to CH on east
 TM:
 OE: