Search the web
Sign In
New User? Sign Up
astro_narrowband
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Message search is now enhanced, find messages faster. Take it for a spin.

Best of Y! Groups

   Check them out and nominate your group.
Having problems with message search? Fill out this form to ensure your group is one of the first to be migrated to the new message search system.

Messages

  Messages Help
Advanced
Messages 4387 - 4416 of 5932   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
4387
Bob, You can certainly shoot the horsehead with a Hubble Pallet though as you have found, the Ha will be the predominant wavelength. I found that mine came...
Stephen Hamilton
e2pilot
Offline Send Email
Dec 1, 2008
4:53 pm
4388
Hello Bob, You are correct. There is not much OIII around the horsehead, but it does modify the color tonal qualities of the other emissions and it can...
Ebersole, John [BSD] ...
aspen6lane
Offline Send Email
Dec 1, 2008
6:37 pm
4389
Hello all I'm interested in a modest up grade to the camera I am presently using, an Atik ATK-16 which utilizes an anti-blooming Sony ICX-429ALL EXView...
Jim Ferreira
oldfrankland
Offline Send Email
Dec 1, 2008
8:38 pm
4390
Hi Jim, I have the ST402ME. It is easy to use and is very sensitive in the H-alpha region. It has limited cooling capability, however. In the summer months,...
Kevin Dixon
starmaster08083
Offline Send Email
Dec 1, 2008
8:48 pm
4391
Hi Kevin. In my particular case, I'm very interested in imaging dark globules, columns and emission nebulae details, so bright stars may not typically be a...
James Ferreira
oldfrankland
Offline Send Email
Dec 1, 2008
9:10 pm
4392
Jim I can recommend the QHY8/QHY453 from Starizona or CCD-Labs. It is most sensitive in the H-alpha region and is anti-blooming. It is a one shot color so...
stardaddyed
Offline Send Email
Dec 1, 2008
9:20 pm
4393
Look like nice systems, Ed, but I'm not at all interested in a color camera and probably not an ABG camera. Thanks for the input Jim...
James Ferreira
oldfrankland
Offline Send Email
Dec 1, 2008
9:26 pm
4394
Neil and Kevin, Thanks for the kind words. I need to get some better [OIII] data; the light gradient in the [OIII] exposures was hard to deal with. I guess...
Joe
joes_ap
Offline Send Email
Dec 2, 2008
4:56 am
4395
Jim I also have a ST-402 and while I use it for guiding I have put a Ha filter on the front of the camera and have not noticed excessive blooming in Ha. With...
Michael Perata
michael_perata
Offline Send Email
Dec 2, 2008
3:50 pm
4396
Hi Kevin I rather suspected that blooming would be less of an issue with H-alpha imaging and your comment supports my leaping assumption. The simple filter...
James Ferreira
oldfrankland
Offline Send Email
Dec 2, 2008
5:11 pm
4397
No problem, good luck! Ed -- In astro_narrowband@yahoogroups.com, James Ferreira <ferreira1@...>...
stardaddyed
Offline Send Email
Dec 2, 2008
6:06 pm
4398
I have always found this object absolutely amazing....mysterious...totally alien. Really pleased with this image. Shot with an Atik ATK-16 and Stellarvue 4...
Jim Ferreira
oldfrankland
Offline Send Email
Dec 3, 2008
5:27 am
4399
Hello Everyone, I am thinking about writing an article about false color narrow band astrophotography. I am trying to find out who may be given credit for ...
Bob Franke
bob_franke
Offline Send Email
Dec 3, 2008
6:31 am
4400
Wonderful image Jim... especially the tadpoles. Keep up the good work, Bob Franke http://bf-astro.com ... image....
Bob Franke
bob_franke
Offline Send Email
Dec 3, 2008
7:04 am
4401
I'll ask around...      ...Neil www.flemingastrophotography.com  Direct from Boston - brilliant diamonds in pea soup Also check out the astro_narrowband...
Neil Fleming
neilfleming
Offline Send Email
Dec 3, 2008
12:29 pm
4402
Very well done, Jim!  A shot of which to be proud!    Regards...Neil www.flemingastrophotography.com  Direct from Boston - brilliant diamonds in pea soup ...
Neil Fleming
neilfleming
Offline Send Email
Dec 3, 2008
12:33 pm
4403
I'm told that it was Russ Crowman who brought color band narrow filtered imaging into the mainstream when he authored the chapter that was published in Ron...
Neil Fleming
neilfleming
Offline Send Email
Dec 3, 2008
11:03 pm
4404
Thanks for checking Neil, However, it looks like it's a toss up between Richard Crisp and Russ Croman. After looking at the two web sites, Russ was collecting...
Bob Franke
bob_franke
Offline Send Email
Dec 4, 2008
2:35 am
4405
You're most welcome. I think that Don Goldman was also one of the earliest participants. I'd hafta guess he saw something of value, because his filter sets...
Neil Fleming
neilfleming
Offline Send Email
Dec 4, 2008
5:04 am
4406
It was close but the VERY first image narrowband posting was by Russell Croman on 6/9/2003: http://tech.groups.yahoo.com/group/SBIG/message/59954 Then the next...
Ray Gralak (Yahoo Gro...
raygralak
Offline Send Email
Dec 4, 2008
6:05 am
4407
I hope I didn't start up a contest here, but deeper examination of Richard Crisp's web site shows he was doing this in 2001. He has an M27 image with Ha,OIII &...
Bob Franke
bob_franke
Offline Send Email
Dec 4, 2008
6:55 am
4408
Is this discussion just focused on who was the first amateur to do tricolor NB? If not, my bet is that when it comes to pioneers, those were the pros making...
Antonio Fernandez
afernan10
Offline Send Email
Dec 4, 2008
9:13 am
4409
I'm guessing it was someone at NASA (one of the Hubble folks) Jim Lafferty jrlafferty@... shogun000@... www.scopetrader.com/shogun ... ...
Jim Lafferty
shogunxp
Offline Send Email
Dec 4, 2008
4:21 pm
4410
Yes, amateurs was the intent of my question. It looks like the HST team was doing this all along. The link below is for press release October 4, 1990 12:00...
Bob Franke
bob_franke
Offline Send Email
Dec 4, 2008
4:55 pm
4411
Hi guys, I am tickled pink.... I have been fussing with elongation at long FL's with almost any exposure longer than two or three minutes....the longer the...
Bud
earl_guinn
Offline Send Email
Dec 4, 2008
11:43 pm
4412
Congrats', Bud, on tracking down the flexure thing. Nice round stars now. Now, what are you going to do about the weather in your parts? Cheers Jim Livermore...
James Ferreira
oldfrankland
Offline Send Email
Dec 5, 2008
4:30 pm
4413
I have been lurking in the group for awhile now, in anticipation of capturing my first narrowband images. I am a newbie imager and have learned quite a bit...
bad.moonrising
Offline Send Email
Dec 6, 2008
7:08 pm
4414
Doug, first of all, great start...you're well on your way!  A little more data and you've nailed it.   Unfortunately, you're running afoul of a problem that...
Neil Fleming
neilfleming
Offline Send Email
Dec 6, 2008
11:43 pm
4415
Thanks Neil. And my apologies to the group. That was certainly not the type of introduction I had intended! I just noticed that this was a problem for others...
bad.moonrising
Offline Send Email
Dec 7, 2008
12:59 am
4416
Hello all Just finished NGC281 in narrow band using 9.25SCT scope and ST2K camera. Wanted to get a close up. This is three nights of shooting. Go to new images...
Rich Schuppert
tyschu
Offline Send Email
Dec 7, 2008
2:38 am
Messages 4387 - 4416 of 5932   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2009 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help