[Leica] Tested long exposure on the night sky last night - Paul

[Philippe]

Thanks,

I dk if this can be delivered here, but interesting and cheap at the same time.

Amities

Philippe



> Le 20 oct. 2018 à 21:34, Paul Roark via LUG <lug at leica-users.org> a écrit :
> 
> I, personally, don't like the little arcs in my shots.  So ...
> 
> https://www.bhphotovideo.com/c/product/1092107-REG/sky_watcher_s20520_star_adventurer_motorized_mount.html?ap=y&gclid=CjwKCAjwpKveBRAwEiwAo4Pqm3Z4r4MBnOnFZ71JhBKG40rkccN4WSPMkkxzFI8Jil7WKWstJoRWMRoCPpYQAvD_BwE&smp=y <https://www.bhphotovideo.com/c/product/1092107-REG/sky_watcher_s20520_star_adventurer_motorized_mount.html?ap=y&gclid=CjwKCAjwpKveBRAwEiwAo4Pqm3Z4r4MBnOnFZ71JhBKG40rkccN4WSPMkkxzFI8Jil7WKWstJoRWMRoCPpYQAvD_BwE&smp=y>
> 
> Paul
> www.PaulRoark.com <http://www.paulroark.com/>
> 
> On Sat, Oct 20, 2018 at 8:22 AM Philippe via LUG <lug at leica-users.org <mailto:lug at leica-users.org>>
> wrote:
> 
>> Eppur si muove ;-)
>> 
>> https://en.wikipedia.org/wiki/And_yet_it_moves <https://en.wikipedia.org/wiki/And_yet_it_moves> <
>> https://en.wikipedia.org/wiki/And_yet_it_moves <https://en.wikipedia.org/wiki/And_yet_it_moves>>
>> 
>> We may not perceive the tracks just because the FL is so short, and the
>> sensor doesn’t record the jump from a pixel to the next one ???
>> 
>> Although I was using a tripod as you may imagine, I had left the IOS on,
>> that could be another reason why. There was absolutely no wind and the
>> foliage seems to prove it.
>> 
>> OTT 10mm means 15mm in Leica world, but it doesn’t modify the result ...
>> 
>> I’ll try a longer lens at the earliest opportunity, say the Novoflex 400
>> (600 eq.) for instance, and see what I get, and report.
>> 
>> Thanks Howard.
>> 
>> Stay well, and vigilant :-)
>> 
>> Amities
>> 
>> Philippe
>> 
>> 
>> 
>>> Le 20 oct. 2018 à 17:04, Howard Cummer via LUG <lug at leica-users.org> a
>> écrit :
>>> 
>>> Hi Philippe,
>>> I am surprised that you can take a 30 second exposure with a 10mm lens
>>> and have such small star tracks. When I shoot the skies with my 90mm
>>> Elmarit on the M10 - above 8 seconds I get quite pronounced star tracks.
>>> 
>>> Just an observation. Lovely photo BTW.
>>> Howard.
>>> 
>>> 
>>>> On Thu, Oct 18, 2018 at 1:36 AM Philippe via LUG <lug at leica-users.org
>> <mailto:lug at leica-users.org>>
>>>> wrote:
>>>> 
>>>>> Tested long exposure on the sky last night.
>>>>> 
>>>>> 
>> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html
>> <
>> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html
>>> 
>>>>> <
>>>>> 
>> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html
>> <
>> http://gallery.leica-users.org/v/Phileica/Playground/Stars-1354-2.jpg.html
>>> 
>>>>>> 
>>>>> 
>>>>> May be viewed larger.
>>>>> 
>>>>> Amities
>>>>> 
>>>>> Philippe
>>> 
>>> _______________________________________________
>>> Leica Users Group.
>>> See http://leica-users.org/mailman/listinfo/lug for more information
>> 
>> 
>> _______________________________________________
>> Leica Users Group.
>> See http://leica-users.org/mailman/listinfo/lug <http://leica-users.org/mailman/listinfo/lug> for more information
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug <http://leica-users.org/mailman/listinfo/lug> for more information