spectro-l : Astronomical Amateur Spectroscopy / Spectroscopie Amateur en Astronomie

spectro-l · Astronomical Amateur Spectroscopy / Spectroscopie Amateur en Astronomie

Group Information

Members: 409
Category: Amateur
Founded: May 14, 2003
Language: French

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Activity within 7 days:

1 New Member - 24 New Messages - New Questions

Description

[english] This group concerns amateur spectroscopy. Post can be in French or in English.

[français] Ce groupe concerne la spectroscopie / spectrographie amateur. Les messages peuvent être envoyés en français ou en anglais.

Most Recent Messages

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Re: Daniel, There has not been a lot of study on Moreton waves the past 30 years. Recently some professional astronomers are observing some waves but they have Posted - Wed Dec 16, 2009 11:41 pm	fredrick veio fredveio Offline Send Email
Re: [1 Attachment] Daniel, Your recent H alpha sun image and the other image out of the line, both are interesting in making a comparison of how your instrument performs. In Posted - Wed Dec 16, 2009 11:35 pm	fredrick veio fredveio Offline Send Email
Re: Pourquoi pas un 1800 gr/mm ? Thierry, I visited your web site, wow, very good. And the amateur who made a spectroscope out of balsa wood, fantastique. Amities, Fred veio To: Posted - Wed Dec 16, 2009 11:07 pm	fredrick veio fredveio Offline Send Email
Re: Pourquoi pas un 1800 gr/mm ? Thanks Bernard, I've the same feelings for the 1800 gr/mm but if i use a wider slit, 35µm instead of 24µm i'll get more signal (20%) and resolution goes to Posted - Tue Dec 15, 2009 4:20 pm	thierry garrel thierrygarre... Offline Send Email
Re: Pourquoi pas un 1800 gr/mm ? I use the 1800 l/mm (special purchase from Shelyak) as my default Lhires III 'high res' grating, as it is a good compromise between the 2400 and 1200 gratings Posted - Tue Dec 15, 2009 1:05 pm	bd_heathcote Offline Send Email
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Message History

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2009	88	60	64	137	118	76	36	146	102	140	152	90
2008	131	86	38	182	147	221	75	136	177	94	168	96
2007	107	162	161	67	156	128	185	55	221	173	142	81
2006	41	80	89	60	272	263	98	99	148	133	71	112
2005	11	18	26	23	14	25	62	42	39	27	11	50
2004	12	27	14	12	9	6	28	65	32	57	14	26
2003					100	63	27	32	48	53	34	33

Group Email Addresses

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