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Messages 495 - 524 of 2070   Oldest  |  < Older  |  Newer >  |  Newest
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495
I have been planning for some time to use my Near IR filter I have had from my old photographic days. Last night I used it in conjunction with my emission line...
rdcrisp
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Jul 5, 2003
7:24 pm
496
The choice of Ha for Red and OIII for Green and for Blue made for a very unusual coloration in this image of the Gulf region of The North America Nebula. ...
rdcrisp
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Jul 14, 2003
8:18 pm
497
Cool image. The special filtering gives you alot more structure to this object. Kevin ... a ... North ... ...
kevinbm13
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Jul 15, 2003
12:22 am
498
... I know what you mean, Kevin. Last summer I was delighted to make this collection of the big red gaseous blobs. This summer I am interested in finding some...
rdcrisp
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Jul 15, 2003
2:43 am
499
Hello, I have an Mx916 camera and the Astrnomic RGBL filters for color imaging. I also have an Orion light pollution filter, as well as a a more narrow band...
maaadscientist
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Jul 15, 2003
9:57 pm
500
Hi, Dan, I've done a little research in this area. Please see: http://www.astrodon.com/LPSFilters.html It really comes down to what type of light pollution...
Don Goldman
donclearview
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Jul 17, 2003
4:06 am
501
Hi, Searching images on the web you find a wide range of representations of OIII ranging from deep blue to lime green, eg the VLT image ...
niborl2000
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Jul 17, 2003
2:18 pm
502
Robin, OIII is a blue-green or teal color. Please see: http://www.astrodon.com/EmissionFilters.html#h5 When I started my research on this problem with RGB...
Don Goldman
donclearview
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Jul 17, 2003
4:39 pm
503
I Appreciate all the dialogue on light polution. I may have missed some of the discussion. What are filter recommendations for B/W work on Minor Planets,...
garyvh@...
gvander1
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Jul 17, 2003
5:15 pm
504
Hi Don, Thanks for your reply. I had already seen your S+T article, it certainly explained well the problem of getting the "right" colour for monochromatic...
niborl2000
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Jul 17, 2003
5:58 pm
505
Hi, Robin, Yes. You will see teal through an OIII filter. I just added a picture showing this at the bottom of the following link: ...
Don Goldman
donclearview
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Jul 17, 2003
8:11 pm
506
Yes thanks Don, I wonder what filters Sony used in their camera to get such good colour rendition? and I notice you commented in your article on a nice teal...
niborl2000
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Jul 17, 2003
8:52 pm
507
... the ... I see Green in mine. OR at least that is how I would describe it. My Hb is more teal color. rdc...
rdcrisp
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Jul 18, 2003
12:26 am
508
... colour ... I ... Richard, Come on over. We can correct your color condition <g>. Don...
Don Goldman
donclearview
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Jul 18, 2003
12:52 am
509
BTW Don, that is a very nice set of pages you have there!!! Thanks, Dave For Nexstar11GPS tips, tricks, and general information visit http://www.nexstar11.com....
Dave Cole
oregonimage
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Jul 18, 2003
1:55 am
510
Thanks, Dave. ... select "Downloads" ... filters ... dominant ... anymore, ... use it ... Photoshop, ... change ... not ... as a ... LPR ... for ... ...
Don Goldman
donclearview
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Jul 18, 2003
7:12 am
511
Don, Thanks. Wow, I know why you are called "astrodon" now. :) That other Astronomik lpr was their UHC filter. Thanks for the info! Dan ... filters ... ...
maaadscientist
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Jul 18, 2003
1:52 pm
512 sinclan_ratatattat
sinclan_rata...
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Jul 20, 2003
6:07 pm
513
Gday, I intended to purchase a set of gels to do some experimantation, but holding the buggers is going to be difficult. Who sells filter holder blanks ( I...
sinclan_ratatattat
sinclan_rata...
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Jul 20, 2003
6:16 pm
514
Hi ! ... Go to www.gerd.neumann.net. You can get cells for 1,25" and 2". Clear Skies Gerd...
gerd@...
gneujr
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Jul 20, 2003
7:28 pm
515
Welcome Rat... Kevin ... but ... that...
kevinbm13
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Jul 21, 2003
12:53 am
516
Gday, Anyone from Down Under with another suggestion thats a bit closer to home? The Aussie Peso to German Mark conversion isnt in my favour atm. Rat. (Garry)...
sinclan_ratatattat
sinclan_rata...
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Jul 21, 2003
12:29 pm
517
I wonder where you looked up the exchange rate, there is no German Mark anymore! JF (from southern Germany)...
Joachim Frings
jofrings
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Jul 21, 2003
3:38 pm
518
Orright then Euro .. still 2:1 which is not a pretty on a budget. add freight, import duty.... Rat. ... Mark ... to...
sinclan_ratatattat
sinclan_rata...
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Jul 21, 2003
3:44 pm
519
What would be the easiest way of mounting the IDAS in the optical train with the Astronomics? Assuming you're using some kind of filter wheel like the...
andrew_tokyo
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Jul 24, 2003
10:45 am
520
Hello, this is my first image with Astronomik H alpha filter. I am quite pleased (Moon was present): ...
tomlicha
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Jul 24, 2003
6:36 pm
521
Hi Robin, test it on your own! Watch a bright nebula like the Orion and you will mostly see the OIII. It is in fact greenish. As you explained it can be appear...
tomlicha
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Jul 24, 2003
6:38 pm
522
... wrote: Hi group, I am currently looking around for a color filter holder that can be used remotely and noticed a less costly filter system made by Optec ...
Chris
bingsca
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Jul 28, 2003
5:11 pm
523
Hi Chris ! Have a look at the FR-03 from Astronomik (www.astronomik.com). It can be also controlled via MaxIm or any other software. Clear Skies gerd...
gerd@...
gneujr
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Jul 28, 2003
6:21 pm
524
... can be also ... Hi Gerd, Thanks, I will check it out and let you know Cheers Chris A...
Chris
bingsca
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Jul 28, 2003
6:29 pm
Messages 495 - 524 of 2070   Oldest  |  < Older  |  Newer >  |  Newest
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