[AZ-Observing] Re: ISS Flyover Animated GIF

  • From: Tom Polakis <tpolakis@xxxxxxx>
  • To: az-observing@xxxxxxxxxxxxx
  • Date: Fri, 1 Mar 2013 9:24:38 -0500

George,

The improvement in signal between 1/2000s and 1/1000s is the same as it would 
be if you changed your exposure time from 30 minutes to 60 minutes.  The 
problem with 1/1000s in the case of the ISS flying through the frame is that 
the image may be smeared slightly due to its motion.

Tom

---- George Kolb <geokolb@xxxxxxxxx> wrote: 
> Tom,
> 
> Would you actually see a difference from 1/2000 sec to 1/1000 second or are 
> you just fooling us?
> 
> Great job.  George
> 
> Sent from my iPad
> 
> On Feb 28, 2013, at 5:32 PM, "Bernard Miller" <bgmiller011@xxxxxxx> wrote:
> 
> > Pretty cool Tom. You can make out detail which is incredible. Nice work.
> > 
> > Bernard
> > 
> > 
> > -----Original Message-----
> > From: az-observing-bounce@xxxxxxxxxxxxx 
> > [mailto:az-observing-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Polakis
> > Sent: Wednesday, February 27, 2013 9:51 PM
> > To: AZ-Observing@xxxxxxxxxxxxx
> > Subject: [AZ-Observing] ISS Flyover Animated GIF
> > 
> > Here is a animated GIF of tonight's International Space Station flyover. 
> > It's 20 frames grabbed from 12,000 taken during a period of 200 seconds. 
> > Very noisy, so next time I'll need to bump up the exposure time from 
> > 1/2000s to 1/1000s. Scope is a 10" f/5.5 with a 2x Barlow lens, so it's 
> > 2800mm at f/11. Tracking through a Telrad done by Jenn.
> > 
> > http://www.pbase.com/polakis/image/148986387
> > 
> > Tom
> > --
> > See message header for info on list archives or unsubscribing, and please 
> > send personal replies to the author, not the list.
> > 
> > --
> > See message header for info on list archives or unsubscribing, and please 
> > send personal replies to the author, not the list.
> > 
> --
> See message header for info on list archives or unsubscribing, and please 
> send personal replies to the author, not the list.
> 

--
See message header for info on list archives or unsubscribing, and please 
send personal replies to the author, not the list.

Other related posts: