To bobby Middleton and other list members: Bobby Middleton writes about seeing very faint stars with averted vision and going all the way down to about...
Glenn Shaw
gshaw@...
Dec 1, 2000 8:05 am
40074
... It could be if you import high bit depth files directly from the scanner or, obviously, if you like to work in high bit depth. Jerry Astrophotography, Tips...
Jerry Lodriguss
jml@...
Dec 1, 2000 8:10 am
40075
... Philipp, Kodak PJ-400 and Supra 400 are sold in Germany under the same names as in the US. I was able to get both though major photo stores in Berlin and ...
Axel Mellinger
axm2@...
Dec 1, 2000 8:19 am
40076
... My camera (Canon EOS D30, a 3megapixel camera intended for normal photography that I'm trying to force into double duty) "likes" to do jpeg itself. I can...
Bill Arnett
bill@...
Dec 1, 2000 8:23 am
40077
To Jerry Lodriguss and others: Jerry wrote that for people like us who like to photograph the stars at night, we should move to Tucson, ARizona. Having lived...
Glenn Shaw
gshaw@...
Dec 1, 2000 8:40 am
40078
Glenn.. If you, and anyone else wants to migrate Down Under, where we have rorting scandals in the Labor Party elections (Republican to you guys) and where ...
Jim Barclay
cosmos@...
Dec 1, 2000 8:45 am
40079
... Hi Bill, That's the new camera with the CMOS sensor. I don't know if it's been shown that CMOS is quite as good as CCD, but I really don't know how the ...
Jerry Lodriguss
jml@...
Dec 1, 2000 9:25 am
40080
... Namibia is a cheap country and you get flights down to Windhoek from DM 900. Namibia has become very interesting because the IAS will bring some telescopes...
astrooptik
philipp@...
Dec 1, 2000 10:18 am
40081
... yeah. I think the CCD vs CMOS thing may not matter much. What does probably matter is that it is a color camera, of course, and hence has filters over...
Bill Arnett
bill@...
Dec 1, 2000 11:09 am
40082
... deprivation ... in ... Gene was not killed after leaving an observatory in the morning. He was killed in Australia while studying impact craters. But in...
Robert Reeves
reeves10@...
Dec 1, 2000 12:39 pm
40083
It will do fine, and if you are in doubt stick in a barlow...it is very important that the focuser is rigid enough not to flex while you are guiding, so you...
Herm
hermperez@...
Dec 1, 2000 1:40 pm
40084
Thomas, ... The ST-4 has to operate in the serial mode. An integration cannot be taken while the scope is moving. Chuck <aa6g@...> -- APML Archives at...
Chuck Vaughn
aa6g@...
Dec 1, 2000 2:11 pm
40085
Jim, What does your average guiding error read out tell you when you do this compared to shorter esposure accumulated error? You're supposed to be able to...
Colt Bednorz
colt@...
Dec 1, 2000 2:53 pm
40086
Hi to the group! Being back to APML after a long time of absence I want to share a few of my recent results with you. For astrophotography I use a 4" f/6.5...
Walter Koprolin
a9125657@...
Dec 1, 2000 2:59 pm
40087
Gene was killed because he was driving fast on a dirt road--to "smooth out" the bumps"--and was in the middle of the road--crested a hill and met a local...
Andy Wallace
andywallace@...
Dec 1, 2000 3:41 pm
40088
... good images ! I have also been enjoying the Glockner-Hochalpenstrasse some years ago. Indeed a very good place. Best regards, Philipp -- APML Archives at...
astrooptik
philipp@...
Dec 1, 2000 3:56 pm
40089
... Thomas, Autoguiding can overshoot for a number of reasons, including when the mount has a lot of inertia. The STV has very convenient adjustments for...
Matt BenDaniel
matt@...
Dec 1, 2000 4:12 pm
40090
I do catch cat naps while the ST-4 guides. I set an alarm clock to wake me so that I can end the exposure. However, I try to sleep near the ST-4 if I can, so...
Matt BenDaniel
matt@...
Dec 1, 2000 4:58 pm
40091
... The ST-4 had a scintillation adjustment and an average but no aggressiveness adjustment. With this latter feature in the STV we felt that it would do just...
Michael Barber
barber@...
Dec 1, 2000 5:29 pm
40092
Hi Colt, You can change the aggressiveness on the fly not the exposure time. This has actually helped with my GM200. I lowered it slightly in Dec and ...
Jim Janusz
jjanusz@...
Dec 1, 2000 6:08 pm
40093
Hi Michael, Thanks for the reply. Can you comment on what value will begin to saturate CCD? I have been guiding with stars as low as 1k and as high as 16k....
Jim Janusz
jjanusz@...
Dec 1, 2000 6:27 pm
40094
... The STV should work fine at any brightness so long as it is not saturated. The brightness number you see when you start tracking is a relative brightness...
Michael Barber
barber@...
Dec 1, 2000 7:46 pm
40095
... You are going to be getting some artifacting with JPEG since it's lossy compression. The other thing is, with raw, you get to manipulate the data instead...
Jerry Lodriguss
jml@...
Dec 1, 2000 9:36 pm
40096
In a message dated 11/30/00 9:40:43 PM Central Standard Time, galaxy@... writes: << Dan, before you spend $700 or so on an autoguider check out this...
DnlMahoney@...
Dec 2, 2000 12:12 am
40097
Dan, if you like , i could ship you over a sample pic of the coma cluster guided with the quick cam/guider.exe. you will see the stars are pinpoint sharp mike...
mike and dianna
galaxy@...
Dec 2, 2000 12:28 am
40098
You might want to take a look at Picture Window Pro 2.0... version 3.0 coming 12/15/00. $89.00 It doesn't do everything that Photoshop does, but it does many...
FlashG1@...
Dec 2, 2000 1:59 am
40099
I am replying to Jim Barlcay who wrote from Australia how bright the milky way is in its deserts. I am living in Alaska, about diametrically opposite from...
Glenn Shaw
gshaw@...
Dec 2, 2000 8:37 am
40100
Mike, I'd be very interested to get those pictures too. I already have all the necessary parts and will start building this autoguider as soon as I have some...
Martin Pawlik
pawlikm_@...
Dec 2, 2000 10:16 am
40101
Dear members, we have now assembled our first TP 3-color composite. It is the seagull-nebula (near Sirius). The problem with the TP was, that it had a very...
astrooptik
philipp@...
Dec 2, 2000 10:40 am
40102
I have also considered using a B&W QuickCam for guiding (I've got one) and already have a guiding program, but as I don't have a mount that allows guiding yet,...
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