Recent ASSA Results on Comets and Meteors
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1 Recent ASSA Results on Comets and Meteors Tim Cooper Director, Comet and Meteor Section
2 Agenda Methodology of Comet Observation Results on a Selection of Comets Methodology of Meteor Observation Results on some Meteor Work Future Programs and Conclusions
3 Figure 1 Typical Comet Report IIIYYYYMnL YYYY MM DD.DD em/mm.m:r AAA.ATF/xxxx /dd.ddndc /t.ttmang ICQ XX*OBSxx C1 C1 1A1 1A S. AA.B S. AA.OL B 11. AC.C1 M.:S 11.L S. S.E m 1. BEG1 COO XXX1 XXX XXX
4 Figure Degree of Condensation Scale 1 Totally diffuse without any brightening toward the centre of the coma Very slight brightening Obvious brightening but coma still very diffuse Distinct brightening, would be described as moderately condensed Sharp brightening with some diffuse coma, would be described as strongly condensed Star-like or small disk, little if any duffuse coma
5 Figure Comet Hale-Bopp C/1 O Julian Date Julian Date + Telescope Binocular Naked Eye arc minutes Julian Date Telescope Binocular Naked Eye Telescope Binocular Naked Eye DC Mv 1 1 -
6 Figure Comet SOHO C/1 J1 1 May 1 + days 1 May 1 + days DC Mv
7 Julian Date Degrees Mv Cooper Begbie Pringle-Wood Julian Date 1+ Cooper Begbie Pringle-Wood 1 DC Value 1 Julian Date Figure Comet LINEAR C/1 A Cooper Begbie Pringle-Wood Mean Poly. (Mean)
8 Julian Date Cooper Begbie Others 1 11 Mv Figure Comet LINEAR C/ WM1
9 Meteor Rate Calculation Rate = N/T (1) ZHR = N. F. r(.-lm) Teff. sin h. Cp () ZHR = ZHR / N ()
10 Figure eta Aquarid Activity Profiles
11 Figure April Lyrid Activity Profiles
12 Figure Virginid Plots Tim Cooper 1 March 1 - Apr
13 Figure 1 The Leonids in 1 Corrected Rate 1 Solar Longitude
14 Future Programs CCD photometry of faint comets Comet search and discovery Radio monitoring of meteors Video observation of meteors Double station photography of meteors
15 Recent ASSA Results on Comets and Meteors Tim Cooper Director, Comet and Meteor Section
16 Agenda Methodology of Comet Observation Results on a Selection of Comets Methodology of Meteor Observation Results on some Meteor Work Future Programs and Conclusions
17 Figure 1 Typical Comet Report IIIYYYYMnL YYYY MM DD.DD em/mm.m:r AAA.ATF/xxxx /dd.ddndc /t.ttmang ICQ XX*OBSxx C1 C1 1A1 1A S. AA.B S. AA.OL B 11. AC.C1 M.:S 11.L S. S.E m 1. BEG1 COO XXX1 XXX XXX
18 Figure Degree of Condensation Scale 1 Totally diffuse without any brightening toward the centre of the coma Very slight brightening Obvious brightening but coma still very diffuse Distinct brightening, would be described as moderately condensed Sharp brightening with some diffuse coma, would be described as strongly condensed Star-like or small disk, little if any duffuse coma
19 Figure Comet Hale-Bopp C/1 O Julian Date Julian Date + Telescope Binocular Naked Eye 1 arc minutes Julian Date Telescope Binocular Naked Eye 11 DC 1 1 Telescope Binocular Naked Eye Mv 1 1 -
20 Figure Comet SOHO C/1 J1 DC 1 May 1 + days May 1 + days 1 Mv
21 Julian Date Degrees Mv Cooper Begbie Pringle-Wood Julian Date 1+ Cooper Begbie Pringle-Wood 1 DC Value 1 Julian Date Figure Comet LINEAR C/1 A Cooper Begbie Pringle-Wood Mean Poly. (Mean)
22 Julian Date Cooper Begbie Others 1 11 Mv Figure Comet LINEAR C/ WM1
23 Meteor Rate Calculation Rate = N/T (1) ZHR = N. F. r(.-lm) Teff. sin h. Cp () ZHR = ZHR / N ()
24 Figure eta Aquarid Activity Profiles
25 Figure April Lyrid Activity Profiles
26 Figure Virginid Plots Tim Cooper 1 March 1 - Apr
27 Figure 1 The Leonids in 1 Corrected Rate 1 Solar Longitude
28 Future Programs CCD photometry of faint comets Comet search and discovery Radio monitoring of meteors Video observation of meteors Double station photography of meteors
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