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3 |
1,801 |
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SAC color filter wheel questions by
Uncle Bill
In my search for a low cost color filter wheel, I see that SAC imaging has
such a unit. Has anyone here had any experiences with it and how do you
like it? ...
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May 13th 05 07:19 PM
by Mark 
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3 |
881 |
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Magnitudes for Satellites of Saturn by
Robin Leadbeater
Does anyone know where I can find ephemeredes for the Saturnian system which
include the magnitudes of the satellites, allowing for effects such as
differences...
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3 |
568 |
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Digital Cameras by
[email protected]
Hello everybody,
I am a newbie in astrophotography. I wanted to ask if somebody in this
group knows about the following items:
1. if there is a cheap digital...
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January 15th 05 11:55 AM
by Szaki
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3 |
568 |
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How about the SBIG ST-402ME? by
Brian Sturges
This camera was announced some time ago and apparently will soon be ready
for shipping. I'm wondering what everyone thinks about the overall value of
this...
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3 |
670 |
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CCD Image of NEAT's Tail with Fuzzy Stars? by
W. Watson
I had a brief opportunity to shoot NEAT last night with my ST-7E CCD camera. It was a
one minute exposure and the focus seemed good. Some of the brighter stars...
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3 |
724 |
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3 |
6,449 |
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ASTRO: revised Crab morph animation by
Richard Crisp
At the suggestion of a couple of associates, I did a redo of the Crab Morph
and added some details about it on my website.
This animation is a morphing of an...
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3 |
1,327 |
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CCD size and low light sensitivity by
Matthew
There is something aboutt CCDs that I need to understand. It is
in conjunction with Digital Cameras. Photography people who
are mostly familiar with film based...
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January 19th 04 05:11 PM
by Phil
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3 |
1,094 |
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Why is a bias level applied to CCD? by
Steve Shorlin
OK, I know why the bias level is applied, which is so that the
analogue-to-digital convertor doesn't get any random negative input,
which would happen if the...
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3 |
1,017 |
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ASTRO: M106 in LRGB + Ha (9 hours exposure) by
Richard Crisp
For the past two nights I've been gathering up photons for an image of M106
in LRGB + Halpha.
Using the AP155 and ST10XME, I took a total of 9 hours exposures...
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3 |
1,328 |
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Astro ---- Telescope for Sale --- by
Larry
I have a Celestron C8 Super Polaris Telescope for sale, German EQ mount, wooden tripod,
8 x 50 Finder Scope
Polar Alignment Scope
Trunk Style Carrying...
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2 |
966 |
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2 |
847 |
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Characterization,help by
Xateta
Hi,
I need to measure the Photon transfer function and the camera constant gain
K of a CCD camera.
How can I measure it on a simply a correct way?
Thank you
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May 28th 04 05:21 PM
by Xateta
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2 |
556 |
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December 13th 05 12:19 PM
by g n p
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2 |
647 |
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2 |
1,283 |
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ASTRO: Smal moon by
Danilo Pivato
Hi,
technicians data:
mosaic of 6 frame taken by 6 films with webcam Toucam on
the focal plain of the achomatic refractor 102/1000mm + IrCut
filter.
Danilo...
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February 5th 06 02:25 PM
by LA
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2 |
984 |
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2 |
882 |
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Globular Cluster M3 and around by
Danilo Pivato
Hi all,
I want to see you this new picture that represents the storage in the M3
globular in Canes Venatici
Were made 12 shots from 300 seconds with a...
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2 |
2,081 |
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Technical question: Readout noise by
David Yasli
Hi!
I have read that at a high readout speed there is more readout noise. At
it decreases with decreasing readout speed.
But what is the origin of...
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2 |
940 |
