It is currently Wed Apr 14, 2021 3:39 pm

Post new topic Reply to topic  [ 3 posts ] 
 Faint wriggly trails 
Author Message

Joined: Tue Aug 20, 2013 3:56 am
Posts: 1
Post Faint wriggly trails
I'm posting on behalf of my friend - he could do it but I like doing the digging!

He took a time lapse while up in the Atacama and there were some odd faint trails in the photos.
Exposure 30
Aperture f/2.8
Focal Length 22 mm
ISO Speed 800

As far as I can see, they're too fast for anything astronomical apart from small meteorites but the tracks are wrong. Too fast to be planes, too wriggly to be satellites. #2 could be, I suppose.
I'd normally think faint reflections from land-based sources but he's in the desert. Mounted on tripod, no major vibrations nearby - but that would affect the other trails. tag not working?)

Not expecting them to be anything spooky. Just curious to see if other timelapsers have encountered similar problems (if it can be called a problem, I suppose)


Tue Aug 20, 2013 6:13 am

Joined: Sat Aug 03, 2013 8:40 pm
Posts: 1
Post Re: Faint wriggly trails
Is he using the eyepiece cap on the viewfinder? Possibly light leakage through there from his own torch while moving around behind the camera?
I've had red dots showing up in long exposures for that very reason.

Thu Aug 22, 2013 11:15 pm

Joined: Sun Oct 03, 2010 6:12 am
Posts: 5
Location: North Wales
Post Re: Faint wriggly trails
Did you find out what was causing this? Having Looked at the photo on flickr my initial thought was a hair on the sensor.

Sun Sep 08, 2013 8:29 am
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 3 posts ] 

Who is online

Users browsing this forum: No registered users and 0 guests

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Search for:
Jump to:  
Powered by phpBB © phpBB Group.
Designed by Vjacheslav Trushkin for Free Forums/DivisionCore. pozycjonowanie