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Annual Variation List of δ-Aquarids

This page provides the list of δ-Aquarids 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 δ-Aquarids

DateTime(UT)Solar LongitudeA(max)
2005 25th Jul. 13h(UT)
28th Jul. 17h(UT)
01st Aug. 19h(UT)
122°.624
125°.643
129°.555
3.05±1.04
3.98±0.11
2.58±0.78
2006 24th Jul. 17h(UT)
28th Jul. 15h(UT)
121°.584
125°.331
2.62±0.91
4.81±0.38
2007 25th Jul. 20h(UT)
29th Jul. 23h(UT)
03rd Aug. 00h(UT)
122°.420
126°.355
130°.228
2.63±0.43
4.72±0.71
3.20±1.12
2008 27th Jul. 13h(UT)
31st Jul. 13h(UT)
124°.759
128°.584
6.24±1.51
3.30±0.96
2009 24th Jul. 13h(UT)
28th Jul. 14h(UT)
01st Aug. 15h(UT)
121°.652
125°.513
129°.376
4.19±0.99
6.24±0.13
3.43±0.67
2010 26th Jul. 19h(UT)
29th Jul. 16h(UT)
123°.559
126°.305
4.24±0.66
4.98±0.75
2011 28th Jul. 15h(UT)
31st Jul. 14h(UT)
125°.066
127°.895
4.28±0.10
4.87±0.92
2012 25th Jul. 14h(UT)
29th Jul. 17h(UT)
122°.870
126°.811
4.17±0.71
5.35±0.06
2013 29th Jul. 15h(UT)
01st Aug. 14h(UT)
126°.481
129°.311
4.74±1.18
4.20±0.50
2014 27th Jul. 13h(UT)
29th Jul. 18h(UT)
124°.251
126°.363
4.75±0.44
5.15±0.80
2015 23rd Jul. 14h(UT)
28th Jul. 14h(UT)
120°.225
125°.000
2.78±0.16
5.00±1.06
2016 27th Jul. 23h(UT)
29th Jul. 14h(UT)
125°.107
126°.661
4.35±0.49
4.68±0.81
2017 29th Jul. 07h(UT) 126°.143 4.07±0.67

Estimated Acticvity Compornents of δ-Aquarids

DateComp.CodePeak Time(UT)Solar LongitudeA(max)FWHM
2005 DAC05C01
DAC05C02
DAC05C03
24th Jul. 06:30
29th Jul. 00:30
02nd Aug. 00:30
121°.392
125°.930
129°.756
0.5
3.5
1.0
-60.0 / +30.0
-54.0 / +54.0
-30.0 / +60.0
2006 DAC06C01
DAC06C02
DAC06C03
24th Jul. 18:30
28th Jul. 12:30
01st Aug. 18:30
121°.632
125°.216
129°.281
1.0
4.0
1.5
-30.0 / +12.0
-54.0 / +60.0
-36.0 / +60.0
2007 DAC07C01
DAC07C02
26th Jul. 00:30
30th Jul. 00:30
122°.582
126°.403
1.0
3.5
-78.0 / +24.0
-48.0 / +66.0
2008 DAC08C01
DAC08C02
27th Jul. 18:30
01st Aug. 06:30
124°.959
129°.263
4.0
1.5
-66.0 / +60.0
-30.0 / +60.0
2009 DAC09C01
DAC09C02
DAC09C03
24th Jul. 13:30
27th Jul. 18:30
01st Aug. 12:30
121°.652
124°.720
129°.262
2.0
5.0
2.0
-12.0 / +18.0
-42.0 / +72.0
-12.0 / +18.0
2010 DAC10C01
DAC10C02
DAC10C03
26th Jul. 14:30
29th Jul. 18:30
01st Aug. 18:30
123°.360
126°.385
129°.253
2.0
4.0
1.5
-42.0 / +24.0
-36.0 / +36.0
-24.0 / +60.0
2011 DAC11C01
DAC11C02
DAC11C03
25th Jul. 12:30
29th Jul. 00:30
31st Jul. 18:30
122°.079
125°.424
128°.054
1.5
3.0
2.0
-60.0 / +42.0
-36.0 / +36.0
-24.0 / +60.0
2012 DAC12C01
DAC12C02
25th Jul. 12:30
29th Jul. 20:30
122°.790
126°.931
2.0
4.0
-60.0 / +42.0
-36.0 / +78.0
2013 DAC13C01
DAC13C02
DAC13C03
26th Jul. 08:30
29th Jul. 18:30
03rd Aug. 18:30
123°.336
126°.601
131°.385
2.0
3.0
2.0
-54.0 / +42.0
-48.0 / +48.0
-48.0 / +60.0
2014 DAC14C01
DAC14C02
28th Jul. 00:30
31st Jul. 18:30
124°.689
128°.276
3.0
2.0
-66.0 / +42.0
-48.0 / +72.0
2015 DAC15C01
DAC15C02
25th Jul. 12:30
28th Jul. 20:30
122°.055
125°.239
1.0
3.0
-30.0 / +42.0
-36.0 / +66.0
2016 DAC16C01 28th Jul. 20:30 125°.944 3.5 -90.0 / +96.0
2017 DAC17C01
DAC17C02
DAC17C03
24th Jul. 15:30
29th Jul. 16:30
05th Aug. 12:30
121°.683
126°.502
133°.040
0.6
2.5
1.0
-24.0 / +24.0
-72.0 / +84.0
-30.0 / +48.0