http://tech.groups.yahoo.com/group/astro_narrowband/ Astro_Narrowband Mon, 09 Nov 2009 16:53:51 GMT Mike Dodd http://tech.groups.yahoo.com/group/astro_narrowband/message/5931 http://tech.groups.yahoo.com/group/astro_narrowband/message/5931 ... Okay, I finally figured it out. Thanks. Sorry for being so dense. ... Mike Mike Dodd Montpelier, VA USA http://astronomy.mdodd.com Mon, 09 Nov 2009 15:51:37 GMT hercule http://tech.groups.yahoo.com/group/astro_narrowband/message/5930 http://tech.groups.yahoo.com/group/astro_narrowband/message/5930 Hi It's correct. It's not a NEAIC Web site but one of my Blog posts. The Tone Mapping document is in Middle of the page, download it by using Right mouse Mon, 09 Nov 2009 15:38:01 GMT Mike Dodd http://tech.groups.yahoo.com/group/astro_narrowband/message/5929 http://tech.groups.yahoo.com/group/astro_narrowband/message/5929 ... It doesn't work. The link does not link to a PDF document; it links to the NEAIC Web site. -- Mike Mike Dodd Montpelier, VA USA http://astronomy.mdodd.com Mon, 09 Nov 2009 14:23:05 GMT hercule http://tech.groups.yahoo.com/group/astro_narrowband/message/5928 http://tech.groups.yahoo.com/group/astro_narrowband/message/5928 Hi, There was a wrong link in a First download option. Try now, Right cklick the Tone Mapping PDF and select "Save as" Let me know if it works now. J-P Mon, 09 Nov 2009 14:16:18 GMT Larry Phillips http://tech.groups.yahoo.com/group/astro_narrowband/message/5927 http://tech.groups.yahoo.com/group/astro_narrowband/message/5927 I couln't get to the PDF document. Larry Mon, 09 Nov 2009 07:49:13 GMT hercule http://tech.groups.yahoo.com/group/astro_narrowband/message/5926 http://tech.groups.yahoo.com/group/astro_narrowband/message/5926 I made an example of Tone Mapping procedure. http://astroanarchy.blogspot.com/2009/11/power-of-tone-mapping.html Comments are welcome and if somebody is trying Mon, 09 Nov 2009 04:22:04 GMT Neil Heacock http://tech.groups.yahoo.com/group/astro_narrowband/message/5925 http://tech.groups.yahoo.com/group/astro_narrowband/message/5925 I have an R200SS and a buddy has the VC200L. Both of us get boxy stars due to the large spider vanes and are considering switching out the spider. There are Mon, 09 Nov 2009 04:08:03 GMT Bob Franke http://tech.groups.yahoo.com/group/astro_narrowband/message/5924 http://tech.groups.yahoo.com/group/astro_narrowband/message/5924 Here's a link to a Vixen VC200L user. http://www.astroimages.at/equipment/equipment.htm Bob Sun, 08 Nov 2009 18:01:26 GMT Maurice De Castro http://tech.groups.yahoo.com/group/astro_narrowband/message/5923 http://tech.groups.yahoo.com/group/astro_narrowband/message/5923 I meant, with the addition of the flat field frames From: astro_narrowband@yahoogroups.com [mailto:astro_narrowband@yahoogroups.com] On Behalf Of Maurice De Sun, 08 Nov 2009 17:59:53 GMT Maurice De Castro http://tech.groups.yahoo.com/group/astro_narrowband/message/5922 http://tech.groups.yahoo.com/group/astro_narrowband/message/5922 Ok, I think I did enough research on this. VC200L looks good but looks like stars get a diamond shape because of the big spider vanes. Looks like then there is Sun, 08 Nov 2009 15:18:22 GMT Maurice De Castro http://tech.groups.yahoo.com/group/astro_narrowband/message/5921 http://tech.groups.yahoo.com/group/astro_narrowband/message/5921 Bob, I?ve been checking on this Vixen VC200L and looks very interesting. I may be going for a mirror scope since I get more aperture per dollar paid. Fri, 06 Nov 2009 18:54:40 GMT paulk3nt@... http://tech.groups.yahoo.com/group/astro_narrowband/message/5920 http://tech.groups.yahoo.com/group/astro_narrowband/message/5920 Richard Crisp has some very good images with N[II] and HeII there arent many using HeII (Helium 2, 468nm) helium works best in very hot objects, like planetary Fri, 06 Nov 2009 13:16:23 GMT nicolas outters http://tech.groups.yahoo.com/group/astro_narrowband/message/5919 http://tech.groups.yahoo.com/group/astro_narrowband/message/5919 Maurice, You can see this : http://www.oamp.fr/people/trung/n6853.html M27 is well done :o) Nicolas Outters Fri, 06 Nov 2009 13:14:55 GMT nicolas outters http://tech.groups.yahoo.com/group/astro_narrowband/message/5918 http://tech.groups.yahoo.com/group/astro_narrowband/message/5918 Hello Maurice, You can see this : http://www.oamp.fr/search/search.cgi?q=nii Some objects on Ha NII and OIII. It is curious to see some differences. Nicolas Thu, 05 Nov 2009 22:15:24 GMT Douglas http://tech.groups.yahoo.com/group/astro_narrowband/message/5917 http://tech.groups.yahoo.com/group/astro_narrowband/message/5917 Hey David, Your Pentax adapter is beautiful. The Pentax Macro Extension tube you mentioned is a great option. The profile of the female bayonet is slim,