Past List of η-Aquariids

This page provides the list of ηAquarid annual variation using Radio Meteor Observation. Annnual variation graphs is also provided. Each year text connects to detail information of the year.

Observed Peak Times of ηAquariids

Date Time(UT) Solar Longitude A(max)
2020 05th May 18h(UT) 45°.438 2.00±0.29
2019 05th May 10h(UT)
05th May 20h(UT)
10th May 19h(UT)
44°.396
44°.799
49°.598
1.45±0.24
2.18±0.50
1.33±0.19
2018 04th May 22h(UT)
05th May 20h(UT)
09th May 21h(UT)
44°.151
45°.039
48°.950
2.19±0.62
2.24±0.14
1.74±0.44
2017 04th May 20h(UT)
06th May 06h(UT)
44°.321
45°.693
2.10±0.31
1.56±0.30
2016 05th May 22h(UT)
09th May 20h(UT)
45°.619
49°.409
1.86±0.80
1.79±0.33
2015 04th May 02h(UT) 43°.121 2.02±1.19
2014 06th May 05h(UT) 45°.429 1.44±0.17
2013 05th May 19h(UT)
05th May 21h(UT)
06th May 19h(UT)
45°.268
45°.349
46°.236
3.53±0.67
5.06±0.31(?)
3.29±0.90
2012 05th May 22h(UT) 45°.643 2.76±0.55
2011 06th May 21h(UT)
07th May 22h(UT)
45°.857
46°.865
2.35±0.09
2.35±0.29
2010 06th May 09h(UT)
06th May 20h(UT)
45°.614
46°.058
2.02±0.54
2.10±0.60
2009 04th May 23h(UT)
07th May 20h(UT)
44°.494
47°.196
1.75±0.35
2.08±0.22
2008 05th May 18h(UT) 45°.510 2.10±0.39
2007 06th May 22h(UT)
08th May 10h(UT)
45°.917
47°.369
1.40±0.40
1.44±0.36
2006 06th May 00h(UT)
08th May 04h(UT)
45°.280
47°.380
0.96±0.24
1.14±0.32
2005 04th May 05h(UT) 43°.787 2.59±0.41
2004 04th May 04h(UT) 44°.000 2.68±0.63

Estimated Acticvity Compornents of η-Aquariids

Date Comp.Code Peak Time(UT) Solar Longitude A(max) FWHM
2020 EAQ20C01
EAQ20C02
05th May 20:30
10th May 15:30
45°.519
50°.152
1.1
0.5
-72.0 / +60.0
-15.0 / +28.0
2019 EAQ19C01
EAQ19C02
05th May 15:30
10th May 12:30
44°.597
49°.316
1.0
0.5
-48.0 / +54.0
-30.0 / +30.0
2018 EAQ18C01
EAQ18C02
05th May 13:30
09th May 22:30
44°.756
48°.990
1.5
0.5
-36.0 / +36.0
-18.0 / +30.0
2017 EAQ17C01
EAQ17C02
EAQ17C03
04th May 20:30
05th May 23:30
10th May 03:30
44°.321
45°.411
49°.441
1.1
1.3
0.5
-3.0 / +3.0
-48.0 / +42.0
-18.0 / +24.0
2016 EAQ16C01
EAQ16C02
06th May 00:30
09th May 23:30
45°.699
49°.530
1.0
1.0
-36.0 / +42.0
-12.0 / +18.0
2015 EAQ15C01
EAQ15C02
04th May 18:30
10th May 23:30
43°.767
49°.774
1.5
0.5
-26.0 / +40.0
-18.0 / +24.0
2014 EAQ14C01
EAQ14C02
06th May 00:30
10th May 00:30
45°.227
49°.098
1.0
0.5
-24.0 / +36.0
-30.0 / +36.0
2013 EAQ13C01 06th May 00:30 45°.470 3.0 -30.0 / +48.0
2012 EAQ12C01
EAQ12C02
EAQ12C03
03rd May 00:30
06th May 00:30
10th May 23:30
42°.818
45°.724
50°.518
0.6
2.0
0.5
-12.0 / +6.0
-26.0 / +40.0
-24.0 / +36.0
2011 EAQ11C01
EAQ11C02
07th May 00:30
10th May 02:30
45°.978
48°.961
1.3
0.5
-36.0 / +30.0
-30.0 / +90.0
2010 EAQ10C01
EAQ10C02
07th May 00:30
11th May 12:30
46°.219
50°.572
1.3
0.6
-60.0 / +72.0
-18.0 / +30.0
2009 EAQ09C01
EAQ09C02
04th May 12:30
07th May 15:30
44°.050
47°.075
0.6
1.2
-30.0 / +18.0
-42.0 / +66.0
2008 EAQ08C01
EAQ08C02
05th May 18:30
09th May 12:30
45°.510
49°.140
1.3
0.7
-48.0 / +30.0
-24.0 / +54.0
2007 EAQ07C01
EAQ07C02
05th May 23:30
09th May 12:30
45°.957
48°.416
1.0
0.5
-36.0 / +54.0
-12.0 / +24.0
2006 EAQ06C01
EAQ06C02
06th May 12:30
11th May 00:30
45°.765
50°.116
0.8
0.5
-42.0 / +42.0
-12.0 / +18.0
2005 EAQ05C01
EAQ05C02
EAQ05C03
04th May 00:30
06th May 23:30
11th May 00:30
43°.585
46°.451
50°.361
0.5
1.5
0.5
-24.0 / +18.0
-60.0 / +60.0
-24.0 / +24.0
2004 EAQ04C01
EAQ04C02
05th May 00:30
10th May 05:30
44°.806
49°.843
1.5
0.5
-42.0 / +42.0
-48.0 / +48.0

Posted by h-ogawa