Activities of Astronomy and Meteorology Club Saitama Prefectural Koshigaya-Kita Senior High School Astronomy and Meteorology Club Akiko Ino, Kanako Susuki, Ayaka Moro, Ryota Okuma, Takahiro Takeuchi

1.Main of our club 1.Main Activities of our club

Observation The place in the left picture was at Tatamidaira in Mt. Norikura. The place in the left picture was at Tatamidaira in Mt. Norikura.

Observations in 2006 January 3 - 4: Quadrantids January 3 - 4: Quadrantids * Successful * Successful May 4 - 5: Eta-Aquarids May 4 - 5: Eta-Aquarids * Not observe by bad weather. * Not observe by bad weather. July 30 - August 1: Delta-Aquarids and Perseids July 30 - August 1: Delta-Aquarids and Perseids * Successful * Successful October : Orionids October : Orionids * Not observe by bad weather. * Not observe by bad weather. December : Geminids December : Geminids * Not observe by bad weather. * Not observe by bad weather. December 31: Lunar Occultation of Pleiades on. December 31: Lunar Occultation of Pleiades on. * Successful * Successful

Observations in 2007 Lunar Eclipse on 28th AugustLunar Eclipse on 28th August Meteor streams, for example Perseids and Geminids Meteor streams, for example Perseids and Geminids

School Festival Display our researches and summer camp's report Display our researches and summer camp's report Project a handmade planetarium Project a handmade planetarium

Researches in 2006 "Light Curves of Meteors" "Light Curves of Meteors" "Lunar Occultation of Pleiades." "Lunar Occultation of Pleiades."

Other activities

2 Light Curves of Meteors

Introduction We observed Quadrantids which is one of the three major meteor streams in January, We observed Quadrantids which is one of the three major meteor streams in January, Light curves of meteors are divided into Middle type and Second half type. Light curves of meteors are divided into Middle type and Second half type.

Observation Data The video observation data of 2001 Leonid meteor storm. The video observation data of 2001 Leonid meteor storm. (Preserved by Astro-classroom for high school students (Astro-HS) ) (Preserved by Astro-classroom for high school students (Astro-HS) ) Spectrum data which was observed by our seniors. Spectrum data which was observed by our seniors.

Variety of Meteor Light Curve A; First half type

B; Middle type B1; Pudding typeB2; Mountain type B3; Triangular type

C; Second half type C1; Normal typeC2; Cliff type I C3; Cliff type II

Meteoroid mass

Entry angle to atmosphere

Light-emitting element C1; Normal typeC2; Cliff type I C3; Cliff type II

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