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

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

Group Information

Members: 518
Category: Amateur
Founded: May 14, 2003
Language: French

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49 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 ętre envoyés en français ou en anglais.

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Re: delta Sco Bonjour L'ĂŠtĂŠ approche Ă grands pas ainsi que le stage OHP mi aout, cependant je voulais savoir si il est nĂŠcessaire de continuer la campagne delta Posted - Tue May 29, 2012 11:16 am	Alain LOPEZ VILLANUEVA lopezvilla_2000 Offline Send Email
delta Sco delta Sco up-to-date: May 2012 1) Continuation of the H?-EW monitoring 2) Continuation of the H?-radial velocity monitoring 3) Disk growth leads to decrease of Posted - Tue May 29, 2012 10:53 am	Ernst Pollmann ernst-pollmann@... Send Email
Re: Another ps - Are biais images really constant ? Another p.s. It occurred to me some of the variability might be caused by the way CCDOPS records the camera temperature in the master dark frame. I am using Posted - Mon May 28, 2012 8:06 pm	Stan Gorodenski stanlep@... Send Email
Re: Are biais images really constant ? p.s., I forgot to mention they all had the same integration time, 10 minutes. Posted - Mon May 28, 2012 7:54 pm	Stan Gorodenski stanlep@... Send Email
Re: Are biais images really constant ? Here is a plot of the average ADU of dark frames against the camera temperature. The 3rd order polynomial curve is not intended to imply this is the Posted - Mon May 28, 2012 7:51 pm	Stan Gorodenski stanlep@... Send Email
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Message History

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	75	197	188	157	236
2011	238	312	350	281	243	420	274	380	242	140	303	91
2010	145	216	137	145	116	102	81	188	139	99	128	168
2009	88	60	64	137	118	76	36	146	102	140	152	138
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

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