telescopes : Talking Telescopes

Activity within 7 days:

10 New Messages - 1 New Photo - New Questions

Description

Welcome to Talking Telescopes, a group devoted to the discussion of astronomical equipment, including telescopes, binoculars, eyepieces, books and star atlases, software, and more. Have a question or comment about astronomical equipment? This is the place to visit.

Most Recent Messages

(View All)
(Group by Topic)

Advanced

Start Topic

Re: Eclipse 20120520 Thanks....I felt lucky to see it when the clouds formed. We are planning to stay very mobile for the upcoming venus transit so we can make a "mad dash" to Posted - Fri May 25, 2012 9:36 pm	John ccd_freak Offline Send Email
Re: Substitute for 6 inch full aperture solar filter? I have used this film to make an 8-inch clear aperture with no problems. Does give for a fast shutter speed. I would include an image I made with the 8-inch Posted - Fri May 25, 2012 4:29 pm	Rikk DarkMoon rastearman Offline Send Email
Re: Substitute for 6 inch full aperture solar filter? From: "kendahlcs" <kcshane@...> ... I've never seen a "golden rule" on this subject, but in my experience people generally make an off-axis diaphragm for a Posted - Thu May 24, 2012 8:19 pm	Jack & Lynn Kramer starward12 Offline Send Email
Re: Substitute for 6 inch full aperture solar filter? My only suggestion is that the width of the available filter film sets a practical limit. If your full aperture is wider than the available filter film, go Posted - Thu May 24, 2012 7:45 pm	William Hamblen wrhamblen Offline Send Email
Re: OT: Astromart? No trouble logging in, but a warning comes up that the site has insecure content. Doug ... -- Doug Truckstop Astronomer [Non-text portions of this message have Posted - Thu May 24, 2012 6:49 pm	Doug truckstopast... Offline Send Email
Add telescopes to your personalized My Yahoo! page What's This?

Message History

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
2012	56	41	49	67	38
2011	179	94	31	73	71	40	124	112	89	77	47	53
2010	152	186	204	171	186	47	54	58	116	80	118	110
2009	268	241	79	221	108	92	179	109	118	109	84	127
2008	552	354	370	308	471	321	324	297	351	189	335	188
2007	601	370	416	389	518	397	550	466	467	496	454	459
2006	804	771	475	299	332	273	506	435	560	527	393	436
2005	1349	1110	1244	854	1102	699	653	881	816	830	685	736
2004	2228	1628	1304	1096	1222	946	929	1259	848	815	1333	1580
2003	1718	1455	1672	1693	1915	2137	1704	2242	1986	1933	2220	2035
2002	1722	1211	1657	1729	1762	1876	1904	1908	2070	1849	1639	1515
2001	2309	1449	1532	1409	1562	1442	1623	1690	1436	1548	1772	1430
2000	2022	1876	2477	2003	2168	2209	2408	2357	1758	2371	2698	1918
1999								94	957	1108	1031	1286

Yahoo! Groups

Group Information

Yahoo! Groups Tips

Did you know...

Home

Activity within 7 days:

Description

Most Recent Messages

Message History

Questions in Science & Mathematics > Astronomy & Space

Want to help answer other questions? Go to Yahoo! Answers