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FI - Filament 2017-09-07T19:21:58 -> 2017-09-07T19:21:58 xcen, ycen = -200.301,480.132

http://www.lmsal.com/hek/her?cmd=view-voevent&ivorn=ivo://helio-informatics.org/FI_AAFDCC_20170908_033445_20170907_192158_14

Description: On disk H-alpha filament of ambiguous/uncertain chirality.

Solar Object Locator:
SOL2017-09-07T19:21:58L049C053

Properties:
Event TypeFI - Filament
Event Coord SysUTC-HPC-TOPO
Event Coord Unitarcsec
Event End Time2017-09-07T19:21:58
Event Start Time2017-09-07T19:21:58
Event Test Flagfalse
Event DescriptionOn disk H-alpha filament of ambiguous/uncertain chirality.
OBS Wavel Unitcm
Area Raw2668947200
Area Unitkm2
Event Npixels2592
Event Pixel Unit0.98186595 arcsec/pix
FI Length10978147328
FI Length Unitcm
FI Tilt-58.557
FI Barbs Tot3
FI Barbs R1
FI Barbs L2
FI Chirality0
FI Barbs Start C1-202.26,-217.97,-234.67
FI Barbs Start C2487.99,519.41,523.33
FI Barbs End C1-190.48,-208.16,-246.45
FI Barbs End C2501.73,519.41,523.33

Data Source
ObservatoryBBSO
InstrumentBBSOHa
Mean Wavelength6.563e-05 cm
Channel IDH-alpha

Nearby Events:
View in iSolSearch
Get SDO Data

References:
HER VOEventXML

Links:
First Event IVORN Edge Type Second Event IVORN Strength Reported By
ivo://helio-informatics.org/FI_AAFDCC_20170907_033438_20170906_171911_11 is_followed_by ivo://helio-informatics.org/FI_AAFDCC_20170908_033445_20170907_192158_14 1.0 bernasconi_pietro

Revisions:
Revision # Revision Date Revised By
1 2017-09-08 bernasconi_pietro

Identification Method
FRM NameAAFDCC (Other features and events submitted by AAFDCC)
FRM InstituteJHU/APL
FRM ContactPietro N. Bernasconi - pietro.bernasconi@jhuapl.edu
FRM Date Run2017-09-08T03:34:44
FRM IdentifierFeature Finding Team, Pietro Bernasconi
FRM ParametersSmooth_image=NO; Fix_image_background=YES; Mask_out_beyond=75.0deg; Identification_threshold=-750; Fil_boundary_threshold=-500; Fil_min_area=250pix; Barb_min_angle=5.000deg; Fil_dist_merge_thresh=35pix
FRM URLhttp://helio.cfa.harvard.edu/sdosc/
FRM Human Flagfalse
FRM Version Number6.30000019073486328

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