(meteorobs) OT -Gen. Info. Daylight Fireball mirror &aprecursor "Blip"

[stange34 at sbcglobal.net]

Hi Chris,

The mirror system is set up to act just like a handheld camera, taking a 
complete picture with background 30 times a second. It is not designed to 
capture any weak meteors, only large Fireballs as they would appear to the 
eye in real time. It runs(blind from darkness) from 11PM to around 4:30AM, 
then it continues running with growing dawn light thru daylight until 8PM. 
That is why I am not using a light sensitive camera with it. The dual 
Sentinel system handles all the sensitive nighttime meteor detection. There 
are too many problems trying to use it for daylight too.

I do get daylight birds, insects, cobweb glitter, planes and all, which I 
expected from the very beginning with the mirror. The reward will be a nice 
Fireball (Picture) if it happens.

Decided to try using a couple of automotive light bulbs for a heater. Around 
52 Watts total. I will observe tonight whether there is light leaks through 
the inside dome mirror surface and I will also see if 50 Wartts regardless 
the source will prevent the dewing I get around 1-2AM. Did a timed lapse 
sequence with Handyavi(every 1/2 hour to find when the mirror starts getting 
dew).

YCSentinel

----- Original Message ----- 
From: "Chris Peterson" <clp at alumni.caltech.edu>
To: "Global Meteor Observing Forum" <meteorobs at meteorobs.org>
Sent: 2008/06/02 05:46
Subject: Re: (meteorobs) OT -Gen. Info. Daylight Fireball mirror &aprecursor 
"Blip"


> I'd consider a very sensitive camera for daytime use as well as nighttime.
> Low lux cameras aren't more sensitive to light (all normal video cameras
> have similar QE specs); what low lux cameras actually have is lower noise.
> This is very important for daytime observations, where there is very 
> little
> contrast between the sky and most fireballs you might hope to record.
>
> I've experimented with my allsky cameras in the day. While I've never
> recorded a meteor, I have seen a lot of airplanes. The high "sensitivity"
> PC164C captures them much better than a PC23C or an even higher lux color
> camera I tried.
>
> Chris
> ________________________________
> Chris L Peterson
> http://www.cloudbait.com
>
>
> ----- Original Message ----- 
> From: <chiayk1 at singnet.com.sg>
> To: <stange34 at sbcglobal.net>
> Cc: <meteorobs at meteorobs.org>
> Sent: Monday, June 02, 2008 12:31 AM
> Subject: Re: (meteorobs) OT -Gen. Info. Daylight Fireball mirror &
> aprecursor "Blip"
>
>
>>
>> Hi :
>>
>> Very marvelous findings. Hm... i have mothballed a similar setup in my
>> closet.
>> Given the ample ambient light - perhaps a day light fireball monitor
>> requirement of a low lux ccd is not even required. Are u using the same
>> ccd for both day and night or dedicated this one for the day only
>> fireball.
>>
>> Thanks
>> rgds
>> ykchia
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