[Space] Images from Spacebridge Epsilon
charles at collicutt.co.uk
Wed Jul 7 23:39:16 UTC 2010
I have a Fujifilm FinePix F30, which was supposed to be one of the
better compact cameras for low-light photography in its day but is
getting on a bit now. However, so far I have failed to find any
hacked firmware for it.
One of the reasons the early FinePix cameras (especially the F30 and
F31) had better low-light performance than their competitors was that
Fuji resisted the urge to increase the number of pixels. The F30 has
only 6MP. I believe more recent Fujifilm compacts have double the
pixels but they automatically switch to a lower resolution in low light.
Are there any Canon cameras with larger CCDs or lower resolution that
Spacebridge could use?
On 7 Jul 2010, at 15:54, Blake Barrett wrote:
> I setup the cameras. They both auto-ISO'ed to 1600 which ended
> up looking like crap.
> The SD1100IS was the horizontal camera that took the super-grainy
> images, the vertical images taken by the A700 were less grainy, but
> still didn't get much visual definition. I like your idea of
> digitally removing the noise.
> I think if we programatically restrict to a maximum shutter speed
> of 1/4 we can get some acceptable images. I also think that we can
> get a lot better hi-ISO performance if we freeze the hell out of
> the cameras. Maybe a payload with two dedicated thermal chambers;
> one warm for the location/communication electronics, one cold for
> imaging apparati. The guys at NASA's re-entry watcher project (I
> can never remember their project's name) were saying something
> about there being a linear relationship between something like
> every 10º below 0 you can double the ISO, or something to that effect.
> I think the best thing would be just to get a camera with a
> better sensor.
> On Wed, Jul 7, 2010 at 3:24 PM, Jonathan Moore <moore at eds.org> wrote:
> On Sat, Jul 3, 2010 at 1:04 AM, Blake Barrett
> <Blake at blakebarrett.net> wrote:
> > It looks like we have some more work to do to get good night shots.
> So who set up the camera? I there will certainty be some challenges
> and it is possible what we will need to do is fly a better camera. I
> would say we should set it up manually with a shutter of at least
> 1/125 and the highest ISO that is low noise. ( We could look at tools
> that can build a noise profile for the CCD and remove it later too. )
> As for the aperture it might be that we can get away with a larger one
> I will try and run some experiments at shooting the sky with a large
> blake at blakebarrett.net
> 1 559 455 7855
> Space mailing list
> Space at lists.noisebridge.net
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