Archived posting to the Leica Users Group, 2018/10/20

[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]

Subject: [Leica] Tested long exposure on the night sky last night - Howard
From: roark.paul at gmail.com (Paul Roark)
Date: Sat, 20 Oct 2018 12:34:14 -0700
References: <mailman.1891.1540016172.2555.lug@leica-users.org> <8D6C358D-62EA-4327-AC96-23DB85BACADC@gmail.com> <98DF99A1-E2FE-46D1-93B1-E016B61424AA@gmail.com>

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

Paul
www.PaulRoark.com

On Sat, Oct 20, 2018 at 8:22 AM Philippe via LUG <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>
>
> 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 ? 17:04, Howard Cummer via LUG <lug at leica-users.org> a
> ?crit :
> >
> > 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 for more information


Replies: Reply from photo.philippe.amard at gmail.com (Philippe) ([Leica] Tested long exposure on the night sky last night - Paul)
In reply to: Message from hcummer at gmail.com (Howard Cummer) ([Leica] Tested long exposure on the night sky last night)
Message from photo.philippe.amard at gmail.com (Philippe) ([Leica] Tested long exposure on the night sky last night - Howard)