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Messages 9361 - 9390 of 14830   Oldest  |  < Older  |  Newer >  |  Newest
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9361
... There's a brand new one on eBay for $650, shipping included: http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=3807466564 Cheers, Paul Sterngold ...
Paul Sterngold
psterngold
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Apr 1, 2004
2:16 pm
9362
Fellow images, Preliminary results: I just completed several hours worth of dark frames at various temperatures with the 10D. I took my data at 40F, 60F and...
pterzian@...
phil95014
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Apr 2, 2004
4:17 am
9363
After a lot of experimentation here is my first deep sky image with my new STL-11000M. The subframes were collected near full-moon from my light polluted yard...
Ray Gralak
raygralak
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Apr 5, 2004
9:24 pm
9364
Ray, Wow that's one big chip :) Yep, a little grainy, but still very fine. Might the image be just a tad deficient in blue? Maybe 'cause of your light...
LeFevre, Paul
WellTraveled...
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Apr 5, 2004
10:00 pm
9365
Hi Paul, Thanks! It's possible it is blue deficient because of the gradient removal but what are you seeing that makes you think it is blue deficient? -Ray ......
Ray Gralak
raygralak
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Apr 5, 2004
10:07 pm
9366
Ray, The star-forming regions in M81 look a bit too red with not much blue, even as compared to your own previous shots. I really noticed it in star colors,...
LeFevre, Paul
WellTraveled...
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Apr 6, 2004
1:41 am
9367
This didn't seem to get posted. Well, it could be that light pollution and the moon took their toll. I simply used the ratios recommended (1 , 0.65 , 1 ) for...
Ray Gralak
raygralak
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Apr 6, 2004
2:57 am
9368
Good grief Ray, how "big" IS that thing. The picture is huge. (pixel x pixel??) Very nice. 35 mm sized, wow... ... Phil Chambers [ptchamb@...] (S.F....
P T Chambers
phil11111111
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Apr 6, 2004
3:11 am
9369
Well, it could be that light pollution and the moon took their toll. I simply used the ratios recommended (1 , 0.65 , 1 ) for the filters and chip. Now if that...
Ray Gralak
raygralak
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Apr 6, 2004
3:40 am
9370
Hi Phil, Thanks! The full chip is about 4008 x 2745 pixels -Ray ... From: P T Chambers [mailto:ptchamb@...] Sent: Monday, April 05, 2004 6:40 PM To:...
Ray Gralak
raygralak
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Apr 6, 2004
4:01 am
9371
Geez, do you get that big of a flat field in the 18 ?? ... Phil Chambers [ptchamb@...] (S.F. Bay Area - Calif. USA)...
P T Chambers
phil11111111
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Apr 6, 2004
8:57 am
9372
Well, we'll see. I have a custom Newtonian flat field corrector that I intend to use with the 18". Theoretically it will produce a pretty nice coma corrected...
Ray Gralak
raygralak
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Apr 6, 2004
2:14 pm
9373
Oops. I meant to say perfectly orthogonal to the image *axis*. ... From: Ray Gralak [mailto:ray@...] Sent: Tuesday, April 06, 2004 7:09 AM To:...
Ray Gralak
raygralak
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Apr 6, 2004
2:46 pm
9374
Hmm, I dont know what I am talking about but you might consider a focuser mod that allows individual movement of the 4 corners. I envision 4 studs in place of...
P T Chambers
phil11111111
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Apr 6, 2004
2:56 pm
9375
Yea, that would be a start, but there are probably other issues like flexure of the OTA that will move the optical axis around slightly as the scope is slewed...
Ray Gralak
raygralak
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Apr 6, 2004
3:34 pm
9376
I'm struggling with this very issue with my SN10. I built a focuser adapter a year or two ago for a JMI focuser when I got it, but despite my best efforts, it...
Peter Santangeli
psantangeli
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Apr 6, 2004
4:21 pm
9377
That is why we need to try out the "cable tensioner" idea. We might be able to reduce that to a dont care. (or close) ... Phil Chambers [ptchamb@...]...
P T Chambers
phil11111111
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Apr 6, 2004
7:08 pm
9378
... I did a google image search and found tons of color variations in images of the region, so they're not much good as a reference. There is a nice solar...
LeFevre, Paul
WellTraveled...
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Apr 7, 2004
11:53 am
9379
Paul, Take a look at Bill McLaughlin's image of the area with his AP155, which obviously has higher resolution and image scale. You will see those stars are...
Ray Gralak
raygralak
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Apr 8, 2004
4:35 pm
9380
My old power inverter finally died, so I need to acquire a new one. I only need it for my laptop, so the draw is pretty low. Efficiency is my main concern. Is...
Paul Sterngold
psterngold
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Apr 9, 2004
5:18 am
9381
Paul, I would expect a smaller inverter running at 50-80% of its capacity to be more efficient than a large one running at 10% of capacity. But that is just a...
pterzian@...
phil95014
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Apr 9, 2004
1:56 pm
9382
My email was stopped up again for a day or two so this is a late response but.... Newer inverters are quite efficient. If it has a fan, it NEEDS it, and is...
P T Chambers
phil11111111
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Apr 10, 2004
5:21 pm
9383
Forecasts don't look good for the imagers ball... Hopefully they are wrong and LSA will work. I have this one window available to get out somewhere though -...
Peter Santangeli
psantangeli
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Apr 11, 2004
9:38 pm
9384
LOL, thanks Chambers and Terzian- the two Phils. I'll look for something small and without a fan. Cheers, Paul Sterngold ... __________________________________...
Paul Sterngold
psterngold
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Apr 12, 2004
12:02 am
9385
So this is where the LSA mail list (alias) got us- everyone duplicating their postings to both groups! <g> Paul Sterngold ... ...
Paul Sterngold
psterngold
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Apr 12, 2004
12:03 am
9386
It took so long to appear on the lsa list that I posted both places thinking it might not be working :-) Pete ... From: Paul Sterngold To:...
Peter Santangeli
psantangeli
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Apr 12, 2004
12:04 am
9387
There hasnt been enough posting about images, so ... Here's some of my first *film* results with the FSQ... M42... http://fototime.com/580F5FD0929CBB2/orig.jpg...
jeff_crilly
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Apr 13, 2004
6:03 pm
9388
In a message dated 4/13/2004 11:09:04 AM Pacific Standard Time, ne14mx@... writes: http://fototime.com/CDB61146A4FF1AE/orig.jpg Hey, those look nice!...
richardn22@...
richardn22
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Apr 13, 2004
6:30 pm
9389
... a monster ... Ahh.. I took that shot at plettstone last month. It was a night when the transparency wasnt so good. Also, cygnus was just rising above the...
jeff_crilly
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Apr 13, 2004
11:53 pm
9390
From 4/10/2004... This is on elite chrome 200.. I had them push it a stop, I dont think this was neccessary. The longer shot (40 min) came out a bit...
jeff_crilly
Online Now Send Email
Apr 14, 2004
8:12 am
Messages 9361 - 9390 of 14830   Oldest  |  < Older  |  Newer >  |  Newest
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