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 |