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Old 06-10-2015, 09:07 AM
Steve_C
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Help required please

Hi all,

I took this shot recently near Batemans Bay, NSW. 5 min exposure, 24mm lens on a Nikon D300. I do not understand why the sky is blown out. Is it sky fog? It was a good ds location, but if I shone a powerful torch into the sky I could see the beam. If I tried this length of exposure on my barn door I suspect I would get the same issue.

On another note, I have tried to locate the satellite as shown by the streaks but have had no luck. Image was shot at 19:45 on 2/10/15. I don't think it was an aircraft, my aircradft tracking s/w shows no aircraft at that time, although not all aircraft show up.

TIA

Steve
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Old 06-10-2015, 10:00 AM
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leon
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Steve I do expect it is sky fog and the fact that it was fogged as you suggested with the torch beam, would have made it a little worse, also i think those two streaks of light you mention is an aircraft.
Others may have an other opinion

Leon
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Old 06-10-2015, 10:02 AM
glend (Glen)
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Looking at the rotation it would appear your pointed south,south, east. It's not unusual to get a sky fog which can transmit skyglow. Are there any major light sources in that direction, if you eere nrth of Batemans Bay it coud well be skyglow from the town.
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Old 06-10-2015, 10:36 AM
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RB (Andrew)
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ISO 1600 @ f/2.8 for 5 min, manual white balance !
It can use some Processing and colour balancing.
Try "Daylight" white balance or whatever the equivalent for Nikon is.

Just a quick example attached to show what's there.

RB

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Old 06-10-2015, 03:20 PM
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speach (Simon)
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Pretty certain it's not a satellite very likely a plane. Looking at it there would be 2 satellites side by side in the same orbit.
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Old 06-10-2015, 03:22 PM
Steve_C
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Quote:
Originally Posted by glend View Post
Looking at the rotation it would appear your pointed south,south, east. It's not unusual to get a sky fog which can transmit skyglow. Are there any major light sources in that direction, if you eere nrth of Batemans Bay it coud well be skyglow from the town.
Facing a little bit e of s, abt 3k to the nearest major light source to the sth, Batemans Bay abt 5k north of this loc. There is a group of houses abt 300 mtrs nth of where I was, but no visible lights from them that I could see.

I'm not sure how far from any light source I need to be.

Steve
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Old 06-10-2015, 03:23 PM
Steve_C
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Originally Posted by speach View Post
Pretty certain it's not a satellite very likely a plane. Looking at it there would be 2 satellites side by side in the same orbit.

That's what I figured, but it doesn't show up on any of my a/c tracking s/w. could have been military as they don't show.

Steve
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Old 06-10-2015, 03:27 PM
Steve_C
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Quote:
Originally Posted by RB View Post
ISO 1600 @ f/2.8 for 5 min, manual white balance !
It can use some Processing and colour balancing.
Try "Daylight" white balance or whatever the equivalent for Nikon is.

Just a quick example attached to show what's there.

RB

It was shot on daylight wb, I just posted the raw file to get opinions, I have done a fair bit of post on it, it is surprising what can be done.
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  #9  
Old 10-10-2015, 09:54 PM
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bkm2304 (Richard Brown)
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Two satellites are possible. The flare is interesting and the trail is almost dead polar. Maybe something in orbit? I wouldn't dispel the possibility. And it certainly isn't behaving like a plane's lights.

I once saw 4 - yes 4 - satellites deployed from a polar orbit. Two each parallel to each other as they deployed and went their separate ways.

I reported it here .

Richard.
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Old 11-10-2015, 09:09 AM
Steve_C
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Originally Posted by bkm2304 View Post
Two satellites are possible. The flare is interesting and the trail is almost dead polar.

Richard.
That's why I don't think it is an aircraft. The track is wrong and off a standard airway, it was a 24mm lens so the spacing is too wide for an a/c. It was a 5 minute exp, so one after the other maybe?

An intriguing mystery!
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