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Anyone know what this blip in the ISS orbit is?

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17 years 7 months ago #46302 by philiplardner
Replied by philiplardner on topic Re: Anyone know what this blip in the ISS orbit is?

It might even have been a small earthquake! Or a shockwave from blasting in a mine/quary somewhere.

Bart.


Dang! Must have been a whopper of an earthquake to affect the ISS all the way up there!

Respec!

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  • Frank Ryan
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17 years 7 months ago #46305 by Frank Ryan
:D
Ha I see it!
Dave got me thinking it was something on the lense.
Its actually a TINY flaw in the glass (it almost looks like a hair, but it's
definatly either convex or concave, I can't tell witch)
The light is bending around it.

I guess it's good enough to pass inspection for every day uses of a camera.

I think I've also a spot of mold growing inside.
It's showing up as a faint grey smudge on pictures.
Is there anything can be done about it?

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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17 years 7 months ago #46306 by Frank Ryan

My Astrophotography
Shannonside Astronomy Club __________________________________________
Meade ETX-125PE, Bresser 10 x 50 Binos & Me Peepers

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17 years 7 months ago #46309 by philiplardner
Replied by philiplardner on topic Re: Anyone know what this blip in the ISS orbit is?

:D
Ha I see it!
Dave got me thinking it was something on the lense.
Its actually a TINY flaw in the glass (it almost looks like a hair, but it's
definatly either convex or concave, I can't tell witch)
The light is bending around it.

I guess it's good enough to pass inspection for every day uses of a camera.

I think I've also a spot of mold growing inside.
It's showing up as a faint grey smudge on pictures.
Is there anything can be done about it?


Uh... that's *not* it! A flaw or spec of dirt on or in the lens will not produce a localised effect at the image plane. *Every* part of the lens contributes to *every* part of the image, so the aberation would be evenly dispersed throughout the entire image - most likely manifesting itself as a slight loss of sharpness only. My money is still on the curries... or possibly (but only if I'm pressed) a tiny jolt to the camera. Come to think of it, an insect smacking into the camera would probably do this!

Phil.

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17 years 7 months ago #46311 by voyager

Come to think of it, an insect smacking into the camera would probably do this!


So it's a photography bug!


....



I'll get my coat ....

My Home Page - www.bartbusschots.ie

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17 years 7 months ago #46312 by dave_lillis
Replied by dave_lillis on topic Re: Anyone know what this blip in the ISS orbit is?
Not knowing the design, there might have been a lens in the camera where one of the surfaces might be visible in the focal plane, just like having a spec of dust on a barlow will show up in a toucam planet image or visually through a scope, thats all I was thinking.
Frank, I reckon it might be difficult for you at the moment to put up an image of what you see. :)

Dave L. on facebook , See my images in flickr
Chairman. Shannonside Astronomy Club (Limerick)

Carrying around my 20" obsession is going to kill me,
but what a way to go. :)
+ 12"LX200, MK67, Meade2045, 4"refractor

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