A bit of a mystery.... by tommorules
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Description
Hopefully this will animate correctly.
I was out testing the guiding camera for my telescope the other night, and took these two sequential 7 minute exposures with a 600mm scope. When I looked at the images on the computer I noticed a dark blob on each photo, but in a different place.
I don't understand how something could be in one place for 420 seconds, and then move for the next image, while the stars are tracked perfectly (well nearly perfect - there was a bit of a breeze which didn't help).
Images are timed at 0059 hours and 0107 hours.
I am totally stumped by this!
Thanks for looking....
~Steve~
Comments (17)
tommorules
Looks like it might only animate when zoomed. Thats how it appears to work on my tablet, anyhow. Apologies.
jayfar
The blobs are quite difficult to see so I think you should explain that they appear in the left hand bottom corner and on the diagonal towards the two bright stars which are side by side. Quite an enigma.
durleybeachbum
They animate fine..fascinating!
kgb224
Amazing capture my friend. God bless.
ronmolina
Nice! You must be in the country to get that clarity.
tulipe
Strange! Amazing!
Cyve
Outstanding Shot !
MrsRatbag
Mysterious indeed!
inshaala
a bug... literally?
papasmrfe
I would think that the dark spot is something in front of (or on) the lens, and it's the camera that moved.
m_j_s
Certainly looks like its something on the lens or mirror. Not bad tracking of the stars though. A setup that with care may well net you some wonderful astro images.
blinkings
I usually find fly spray keeps the 'blobs' away!! Nah I don't know mate!
netot
It Animates well, in normal or in zoom.I think the bug that was sleeping on the lens awoke and began walking;)
whaleman
It animates fine with or without zoom. I think others have already suggested the culprit, and I had this happen to me once and it literally was an insect.
ia-du-lin
cool shots, cool effect!
ontar1
That is fascinating and cool, outstanding capture!!!!!!!!!!!!!!!
Chaosphoto
I reckon its a bug on your lens, either that or we might be in trouble :)