[AZ-Observing] Re: Comet Lulin this morning

Fortunately that was a bit before my time.  I'm more of the Commodore Vic-20
& 64 generation, hehe.
Wayne


On Thu, Feb 26, 2009 at 3:07 PM, Richard Harshaw <rharshaw2@xxxxxxx> wrote:
>
>> I still have my 32-scale chartreuse Pickett from my college days. Even has
>> a
>> leather holster!
>>
>>
>> Richard Harshaw
>> Cave Creek, AZ
>>
>>
>> -----Original Message-----
>> From: az-observing-bounce@xxxxxxxxxxxxx
>> [mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Wayne Westlake
>> Sent: Thursday, February 26, 2009 3:05 PM
>> To: az-observing@xxxxxxxxxxxxx
>> Subject: [AZ-Observing] Re: Comet Lulin this morning
>>
>> Sounds like something that would require the use of a slide rule!
>>    ;  ]
>>
>> Wayne Westlake
>>
>> On Thu, Feb 26, 2009 at 3:01 PM, Richard Harshaw <rharshaw2@xxxxxxx>
>> wrote:
>>
>> > Wonderful image, Chris!
>> >
>> > I suppose that if we know it is a 40-minute exposure with 5-minute
>> > sub-frames, it would be possible to calculate the comet's tangential
>> > displacement and then, knowing the ephemerids, compute the true space
>> > velocity... but I don't feel that ambitious today.
>> >
>> >
>> > Richard Harshaw
>> > Cave Creek, AZ
>> >
>>
>


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