ASSOCIAZIONE ASTRONOMICA CORTINA

Comet 17P Holmes
updated december 20th, 2007




 

 Larson Sekanina elaboration

October 24th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 24th 2007 - 23:15 u.t. - exp. 10x0,05"
Newton 20" f/5 - CCD HiSis43


23:15 u.t. - exposition 10x0,05"

23:10 u.t. - exposition 10"

October 24th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 24th 2007
Newton 20" f/5 - CCD HiSis43



 

 Larson Sekanina elaboration

October 25th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 25th 2007 - 05:25 u.t. - exp. 10x0,03"
Newton 20" f/5 - CCD HiSis43


 

October 24-25th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Comparation Coma diameter



Internal Coma

Larson Sekanina elaboration

External Coma

October 28th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 28th 2007 - 04:20 u.t. - exp. 2x1"
Newton 20" f/5 - CCD HiSis43


Internal Coma

Larson Sekanina elaboration

External Coma

October 28th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 28th 2007 - 20:40 u.t. - exp. 5x1"
Newton 20" f/5 - CCD HiSis43


October 24th, 25th, 27th and 28th 2007
Observer: A. Dimai and M. Migliardi
Location: Col Druscič obs. and GRAS01 telescope - New Mexico
Comparazione tra immagini prese in 4 diversi giorni
Comparison through images taken in 4 different days



Internal Coma

Larson Sekanina elaboration

External Coma

October 29th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: October 29th 2007 - 20:16 u.t. - exp. 4x2"
Newton 20" f/5 - CCD HiSis43



Internal Coma

Larson Sekanina elaboration

External Coma

unsharp mask elaboration

October 31st 2007
Observer: P. Cusinato, A. Dimai, G. Menardi
Location: loc. Col Druscič Observatory
Date: October 31th 2007 - 18:30 u.t. - exp. 12x30"
Schmidt Cassegrain 11" f/5,8 - Canon 350D



Internal Coma

Larson Sekanina elaboration

 

November 01st 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: November 01st 2007 - 22:13 u.t. - exp. 3x10"
Newton 20" f/5 - CCD HiSis43


 
 

 

November 02nd 2007
Observer: Ass.Astronomica "Isaac Newton"
Location: Osservatorio Santa Maria a Monte - Pisa
http://www.cielisutavolaia.com
Date: November 02nd 2007 - exp. 10x20"
Newton 400 mm f/5 - CCD Discovery DTA



Internal Coma

Larson Sekanina elaboration

Nikon D70s, posa 30" @800iso - 21:01 U.T.
foto: Giulia Iafrate
GIF animata (633 Kb)

 

November 03rd 2007
Observer: P. Cusinato, A. Dimai, G. Iafrate, M. Marizza
Location: loc. Col Druscič Observatory
Date: November 03rd 2007 - 18:45 u.t. - exp. 10x30"
Schmidt Cassegrain 11" f/5,8 - Canon 350D



Internal Coma

Larson Sekanina elaboration

 

November 04th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: November 04th 2007 - 23:21 u.t. - exp. 2x15"
Newton 20" f/5 - CCD HiSis43



unsharp mask

Larson Sekanina elaboration

 

November 08th 2007
Observer: A. Dimai, M. Migliardi
Location: loc. Col Druscič Observatory
Date: November 08th 2007 - 17:30 u.t. - exp. 25x30"
Newton 20" f/5 - CCD HiSis43



 

 

November 15th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: November 15th 2007 - 18:45 u.t. - exp. 9x30"
Newton 20" f/5 - CCD HiSis43



 
 
 

November 27th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: November 27th 2007 - 18:15 u.t. - exp. 10x40"
Newton 20" f/5 - CCD HiSis43



 
 
 

December 20th 2007
Observer: A. Dimai
Location: loc. Col Druscič Observatory
Date: December 20th 2007 - 22:02 u.t. - exp. 2x60"
Newton 20" f/5 - CCD HiSis43



Se volete inviare immagini a questa pagina, contattate:
If you would like to submit a new image to this home page, contact:
Alessandro Dimai
info@cortinastelle.it

Comet Holmes home page

Comets Home page

Associazione Astronomica Cortina Home page