Go Back   IceInSpace > General Astronomy > General Chat
Register FAQ Calendar Today's Posts Search

Reply
 
Thread Tools Rate Thread
  #1  
Old 06-11-2009, 10:23 AM
White Rabbit's Avatar
White Rabbit
Space Cadet

White Rabbit is offline
 
Join Date: Feb 2007
Location: Sydney
Posts: 1,411
So what do you do when it's cloudy???

I started getting into timelapse a while back, but recently because the weather has been really bad here in Syd I've gotten back into it.

I get just as much of a kick out of it as I do with the astro stuff and I'm finding that I dont mind the clouds so much now because they make a really interesting subject for time lapse.

Check this out.

http://www.vimeo.com/7426811

Sandy
Reply With Quote
  #2  
Old 06-11-2009, 10:31 AM
lacad01's Avatar
lacad01 (Adam)
The sky is Messier here!

lacad01 is offline
 
Join Date: Sep 2007
Location: Darwin
Posts: 2,587
Sandy, that's something I'd really like to get into as well - that's a great video, the boats look like they're dancing .
I did a test run a few weeks ago of a cloudy sky from my backyard and would also like to get into Milky Way time lapse (once the skies clear).
To answer your question - trying to process my holiday snaps
Reply With Quote
  #3  
Old 06-11-2009, 10:33 AM
supernova1965's Avatar
supernova1965 (Warren)
Buddhist Astronomer

supernova1965 is offline
 
Join Date: Aug 2009
Location: Phillip Island,VIC, Australia
Posts: 4,073
I look at all the great stuff that you all put up on this great site.

Last edited by supernova1965; 06-11-2009 at 10:34 AM. Reason: spelling
Reply With Quote
  #4  
Old 06-11-2009, 11:03 AM
Ric's Avatar
Ric
Support your local RFS

Ric is offline
 
Join Date: May 2006
Location: Wamboin NSW
Posts: 12,405
Cool
Reply With Quote
  #5  
Old 06-11-2009, 12:04 PM
troypiggo's Avatar
troypiggo (Troy)
Bust Duster

troypiggo is offline
 
Join Date: Nov 2008
Location: Brisbane, Australia
Posts: 4,846
Very nice. You're right, the clouds do add interest. Like the boats swaying with the current too.
Reply With Quote
  #6  
Old 06-11-2009, 12:20 PM
Nesti (Mark)
Registered User

Nesti is offline
 
Join Date: May 2009
Location: Perth, Australia
Posts: 799
Quote:
Originally Posted by lacad01 View Post

like to get into Milky Way time lapse


Say what????

Excuse my ignorance, but is that possible to see any change in your lifetime?
Reply With Quote
  #7  
Old 06-11-2009, 01:09 PM
TrevorW
Registered User

TrevorW is offline
 
Join Date: Aug 2006
Location: Western Australia
Posts: 8,277
Nice Sandy
Reply With Quote
  #8  
Old 06-11-2009, 01:58 PM
lacad01's Avatar
lacad01 (Adam)
The sky is Messier here!

lacad01 is offline
 
Join Date: Sep 2007
Location: Darwin
Posts: 2,587
Quote:
Originally Posted by Nesti View Post
Say what????

Excuse my ignorance, but is that possible to see any change in your lifetime?
not sure if you're saying that tongue in cheek
See here: http://www.vimeo.com/6276709
Perhaps my bad choice of words or sentence composition...
Reply With Quote
  #9  
Old 06-11-2009, 03:59 PM
White Rabbit's Avatar
White Rabbit
Space Cadet

White Rabbit is offline
 
Join Date: Feb 2007
Location: Sydney
Posts: 1,411
Thanks guys.

If your thinking about getting into it you should, it's alot of fun.

Adam, same goes for time laps as it does for astro stuff if your shooting stars. Make sure there is no moon. I've yet to get anything I'm happy with with regards to stars. It's really hard to get the exposure length right and not have your image come out choppy.

Sandy

Last edited by White Rabbit; 06-11-2009 at 05:25 PM. Reason: good lord my spellings bad lol
Reply With Quote
  #10  
Old 06-11-2009, 04:57 PM
PCH's Avatar
PCH (Paul)
Registered User

PCH is offline
 
Join Date: Feb 2007
Location: Perth WA
Posts: 2,313
Sandy,

that's a terrific time lapse sequence. Do you kow what the 'shooting star' type things are that zip across the sky at about 6 and 7 seconds?

And just for those of us that have no clue about this, can you tell us in a layman's sentence or two, just how you go about filming such a sequence!

Cheers
Reply With Quote
  #11  
Old 06-11-2009, 05:03 PM
kustard's Avatar
kustard (Simon)
Great Sage == Heaven

kustard is offline
 
Join Date: Sep 2009
Location: Melbourne, Australia
Posts: 735
Niiiiice

If the skies are grey I'm usually gaming on my PC...
Reply With Quote
  #12  
Old 06-11-2009, 05:24 PM
White Rabbit's Avatar
White Rabbit
Space Cadet

White Rabbit is offline
 
Join Date: Feb 2007
Location: Sydney
Posts: 1,411
Thanks guys.

PHC, those are planes that you see zipping across. where I was standing there were planes going right over head whilst I was shooting it, they were quite low. It would have looked pretty sweet if I’d got them in the shot, but once I'd started I didn’t want to move.

Ok, so how it's done is like this.

I have a DSLR and an remote for it that will allow me to trigger the camera. I set the camera to manual, set the focus, then set the remote to take a 4 sec exposure every 6 seconds. Then sit back and wait, and wait, and wait and then I wait some more. This shot would have taken an hour to shoot.
The reason I take a 4 sec exposure ever 6 seconds is because at night you want to capture the movement of things like plane and cars. And the reason I set to take a image every 6 seconds is so that the camera can clear the buffer in time to take the next image. If I was to take a 4 sec exposure every 4 seconds my camera would spit the dummy and miss frames. That would make the sequence jumpy.

Once you have your images; you need between 500 to 800 for a decent timelapse sequence, you’ll need some software to create a movie. This one was 60 frames per second, thats 60 pictures every second. Although it feels more like 30 to by I’m new to this as well so....

You can calculate how long your sequence is going to be because you want to have at least 25/30 fps there for if you want a 30 second clip you need 30*30 fames.

That’s all there is to it. The hard part is finding something thats interesting and to honest this is first one that I’ve had turn out well so it a trial an error type of thing.

Thanks for watching.

Sandy
Reply With Quote
  #13  
Old 06-11-2009, 09:27 PM
PCH's Avatar
PCH (Paul)
Registered User

PCH is offline
 
Join Date: Feb 2007
Location: Perth WA
Posts: 2,313
Sandy,

thanks ever so much for the rundown on how to do it. I'm sure others will have enjoyed the explanation as well as myself.

Cheers
Reply With Quote
  #14  
Old 06-11-2009, 10:34 PM
Ian Robinson
Registered User

Ian Robinson is offline
 
Join Date: Jan 2007
Location: Gateshead
Posts: 2,205
If it's a cloudy night in summer , and the tides are right on a cloudy night , go fishing for jew.

Any other season , if it's too cold to go fishing at night , watch some TV , or downloads , or VCR , or a DVD.

Or if I am in the mood and feel energetic , go square dancing , guaranteed to warm me up.

All else fails, there's always .... get frisky.

Last edited by Ian Robinson; 06-11-2009 at 10:48 PM.
Reply With Quote
  #15  
Old 06-11-2009, 10:44 PM
asimov's Avatar
asimov (John)
Planet photographer

asimov is offline
 
Join Date: May 2005
Location: Bundaberg
Posts: 8,819
I take pics of clouds.
Reply With Quote
  #16  
Old 06-11-2009, 11:04 PM
seanliddelow's Avatar
seanliddelow (Sean)
Astro-Addict

seanliddelow is offline
 
Join Date: Jun 2009
Location: Perth, Western Australia
Posts: 633
Astrobooks, astrobooks and more astrobooks
Reply With Quote
  #17  
Old 07-11-2009, 12:49 AM
Jen's Avatar
Jen
Moving to Pandora

Jen is offline
 
Join Date: Jan 2008
Location: Swan Hill
Posts: 7,102
On cloudy nights i like to annoy everyone on IIS
And chat to my astro buddies in chat
Reply With Quote
  #18  
Old 07-11-2009, 02:40 AM
Ian Robinson
Registered User

Ian Robinson is offline
 
Join Date: Jan 2007
Location: Gateshead
Posts: 2,205
Quote:
Originally Posted by Jen View Post
On cloudy nights i like to annoy everyone on IIS
And chat to my astro buddies in chat
Naughty girl.

Actually , tonight there were some good movies on .... 2 of them on One, and I'm watching the 3rd one on NBN (it's an oldie but a goody , don't remember ever seeing it before, Dr Frankenstein transforms into Sister Hyde and then back again apparently .... that's a different twist on that old favorate .... ay !!!

Missed Torchwood tonight .... ABC (1 and 2) picture and sound was breaking up again , still only get this problem with ABC, every other digital channel is perfect .... I'm giving up on ABC for now until they fix the their transmitter at Mt Sugerloaf , I'll either use iView to view what I miss or torrent the shows I want too see.

A couple of good movies tomorrow night too ....

Must be rating season again.
Reply With Quote
  #19  
Old 07-11-2009, 03:36 AM
Nightskystargaz (Thomas)
Registered User

Nightskystargaz is offline
 
Join Date: Jul 2009
Location: Evergreen Park, Il. U.S.A.
Posts: 182
Sandy,

You are suppose to read all of your astronomy books, and plan your next outting under the stars.

,

Tom
Reply With Quote
Reply

Bookmarks


Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off

Forum Jump


All times are GMT +10. The time is now 12:08 PM.

Powered by vBulletin Version 3.8.7 | Copyright ©2000 - 2025, Jelsoft Enterprises Ltd.
Advertisement
Bintel
Advertisement