Hi Folks, I'm new to the group. I actually use film for my astrophotography. I haven't seen any narrow band filters sized to fit my various film cameras. Do...
Greetings Fellow Narrowbanders, Yesterday I received a pleasant surprise by e-mail, and it came to fruition today. An image that I had posted some weeks ago...
Heartiest congratulations, John! ... www.flemingastrophotography.com Direct from Boston - brilliant diamonds in pea soup Also check out the astro_narrowband...
Sorry for the O/T post, but I'd like to see if anyone else would like to join up with me for remote imaging in New Mexico or California. (The replacement...
DWB 111 is part of Sh2-109 which covers most of northern Cygnus but unlike the North American Nebula which is also part of Sh2-109 and included as part of the...
The long story of it is my focuser had issues with handling the weight of the new camera. I found that it slipped out of focus. I tried tightening the focuser...
Good luck on getting the focusing problems solved. Those have plagued many of us in the past. ... http://webpages.charter.net/rbturner/NGC6888_Narrowband.htm ...
Put on the new moonlight focuser and the first test looks good. No slipping. I had just enough time last night to get my Vcurves done. Looks like the clouds...
Thanks, Nicolas. I appreciate your positive feedback. Regards, John ________________________________ From: astro_narrowband@yahoogroups.com on behalf of...
I'm thinking about using a new FSQ I have for some narrow band imaging at f 3.68. I'm a bit concern however with the potential for passband shifting with such...
I had the ssame question. I found that message 1251 in the Astroimaging_filters Yahoo group adressed the question. Don Goldman should know what he is talking...
Hi folks I have been poking away at this object for about a month now This is 17 hours (34x30min subs) Ha, STL-11000 through the Meade 178mm @ F7.2 This is a...
Needed to reshoot this one for my Sharpless project and found out it responds very well to narrowband filters so I suspect others will show up as well for...
A gorgeous image Michael! Wonderful. Please tell me a little about the Meade 178mm scope. Clear skies, Kevin Dixon www.kevindixon.westhost.com ... From:...
Thanks guys... Kevin here is a link to a page I made up with the 178 info. http://www.astroden.com/meade178.htm The cool part is I dont have to use a flattener...
Thanks Terry, I've tried to reach "The Don" in person to discuss the question :) Given the high financial cost of failure, I think I'll wait and see on narrow...
Sorry that I didn't check the group sooner. My 5 nm narrowband filters will not show significant loss of signal due to the blue shift at f/3.6 based upon the...
Thanks The Don, You're the Gangsta of Filtration. I found by chance a discussion of this in Russell Croman's section of The Zone System by Wodaski. By all...
Hmmmmm......at what point does the steep angle light cone, greater than f/4, begin to affect the performance of a CCD? Does it? If so, which CCDs? Jim ...
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