[AZ-Observing] Re: Bamberga - another photo
- From: Padraig Houlahan <pjhmx1@xxxxxxxxx>
- To: "az-observing@xxxxxxxxxxxxx" <az-observing@xxxxxxxxxxxxx>
- Date: Sat, 21 Sep 2013 10:30:12 -0700
Thanks!
Sent from my iPhone
> On Sep 21, 2013, at 10:26 AM, "Bernard Miller" <bgmiller011@xxxxxxx> wrote:
>
> Padraig,
>
> Very nicely done. I just hope it stays where it is and away from us :-)
>
> Bernard
>
>
> -----Original Message-----
> From: az-observing-bounce@xxxxxxxxxxxxx
> [mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Padraig Houlahan
> Sent: Saturday, September 21, 2013 7:59 AM
> To: az-observing@xxxxxxxxxxxxx
> Subject: [AZ-Observing] Bamberga - another photo
>
>
>
>
>> Taken (Thursday, Sep.19th) using my C11 HD Edge. Two 1.5 minute exposures
> of asteroid Bamberga taken 20 minutes apart. Each exposure was given a
> different color shift (red and cyan) so when I lined them up in Photoshop,
> the stars were essentially white, but any moving object (such as this bright
> asteroid) shows up as a pair of red and cyan dots because of motion during
> the 20 minute interval.
>
>> While the asteroid itself is about 8th magnitude, the faintest stars are
> magnitude 16.5 appx - and this on a nearly full moon night - which is pretty
> decent.
>>
>> Padraig Houlahan
>
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