APOD: Milky Way over Troll's Tongue (2018 Sep 11)

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Expand view Topic review: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by alter-ego » Wed Sep 12, 2018 5:15 am

Chris Peterson wrote: Tue Sep 11, 2018 1:20 pm
Guest wrote: Tue Sep 11, 2018 12:53 pm Ummm... I'm pretty sure you can't get a near-vertical image of the Milky Way from Norway! I suspect the background was shot somewhere around the equator?!?!?!?
Why do you think you can't see the Milky Way at this angle from Norway? You certainly can. I'd be interested to know the date and time the image was made. A bit difficult to get a truly dark sky from that latitude during mid-summer. Unfortunately, the imager doesn't seem to have a webpage, just some fairly useless social media links. So not much additional info. (I do wish that APOD wouldn't accept images without technical information.)
Vertical is more the nighttime norm around this time of year. The best way I found to show this is using a composite of Google images showing both terrain and sky. The date/time range is very broad but to display the nominal MW orientation, the time stamp is Sep 9, 2:41am. Also, given the observation position, the field of view is constrained in Google Earth and GE fails to show the rock outcropping, but the lake and mountains recreate the APOD view pretty well. Interestingly, I can't get the MW to lean to the left as much as the APOD (for that view heading). That and funny constellation orientations I have to attribute that to distortion.
 
Trulltunga_2.JPG

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by alter-ego » Wed Sep 12, 2018 4:38 am

LWL wrote: Tue Sep 11, 2018 8:54 pm 700 meters?? It looks more like 70 meters. The part sticking out looks to be about 40 meters. Or did you mean that it is 700 meters above the Valley floor?
Yeah, either way - a typo for length or grammar confusion to imply height above the valley floor. I happened to choose the latter.

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by LWL » Tue Sep 11, 2018 8:54 pm

700 meters?? It looks more like 70 meters. The part sticking out looks to be about 40 meters. Or did you mean that it is 700 meters above the Valley floor?

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by MadCat-75 » Tue Sep 11, 2018 6:50 pm

Hi,

this scenery was used also for a musicvideo by the norwegian band "Shining"...

https://www.youtube.com/watch?v=iGwBp7Yr0Oo

The music is special ^^

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by MarkBour » Tue Sep 11, 2018 3:45 pm

Keyman wrote: Tue Sep 11, 2018 1:14 pm The link at "foreground" goes here - https://apod.nasa.gov/apod/image/1809/M ... ground.jpg
The link at "background" goes here- https://apod.nasa.gov/apod/image/1809/M ... ground.jpg
Wow. There is such cloud cover in the foreground picture, It seems incredible that they got a clear Milky Way shot 40 minutes later.

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by PeterB » Tue Sep 11, 2018 3:35 pm

PeterB wrote: Tue Sep 11, 2018 12:21 pm I should be very wrong but there is no bridge to be seen at Trolltunga. What else is assembled in this "photo"?
Sorry, I was wrong! It's not a bridge but there are lights at the the end of the lake ... no fake, as far as I can tell ... sorry
PeterB

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by PeterB » Tue Sep 11, 2018 3:31 pm

Chris Peterson wrote: Tue Sep 11, 2018 1:16 pm
PeterB wrote: Tue Sep 11, 2018 12:21 pm I should be very wrong but there is no bridge to be seen at Trolltunga. What else is assembled in this "photo"?
There is no bridge in this picture. Just a distant shore with a couple of lights along it.
Sorry sorry, I was wrong. By magnifying I am see it myself. I am so sorry!

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Chris Peterson » Tue Sep 11, 2018 1:20 pm

Guest wrote: Tue Sep 11, 2018 12:53 pm Ummm... I'm pretty sure you can't get a near-vertical image of the Milky Way from Norway! I suspect the background was shot somewhere around the equator?!?!?!?
Why do you think you can't see the Milky Way at this angle from Norway? You certainly can. I'd be interested to know the date and time the image was made. A bit difficult to get a truly dark sky from that latitude during mid-summer. Unfortunately, the imager doesn't seem to have a webpage, just some fairly useless social media links. So not much additional info. (I do wish that APOD wouldn't accept images without technical information.)

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Chris Peterson » Tue Sep 11, 2018 1:16 pm

PeterB wrote: Tue Sep 11, 2018 12:21 pm I should be very wrong but there is no bridge to be seen at Trolltunga. What else is assembled in this "photo"?
There is no bridge in this picture. Just a distant shore with a couple of lights along it.

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Keyman » Tue Sep 11, 2018 1:14 pm

The link at "foreground" goes here - https://apod.nasa.gov/apod/image/1809/M ... ground.jpg
The link at "background" goes here- https://apod.nasa.gov/apod/image/1809/M ... ground.jpg

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Sa Ji Tario » Tue Sep 11, 2018 1:05 pm

Invited, Or they tilted the image to insert it

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Guest » Tue Sep 11, 2018 12:53 pm

Ummm... I'm pretty sure you can't get a near-vertical image of the Milky Way from Norway! I suspect the background was shot somewhere around the equator?!?!?!?

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by PeterB » Tue Sep 11, 2018 12:21 pm

I should be very wrong but there is no bridge to be seen at Trolltunga. What else is assembled in this "photo"?

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Boomer12k » Tue Sep 11, 2018 8:07 am

Why a 40 minute delay in images? Weather???

Really nice pic...
:---[===] *

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Skyjester » Tue Sep 11, 2018 6:57 am

Nice shot imo. Is that Jeb Corliss or Jokke Sommer laying on the Tongue? :)

Re: APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by Pavo Phasianidae » Tue Sep 11, 2018 4:23 am

So whose backside is the troll tasting?

APOD: Milky Way over Troll's Tongue (2018 Sep 11)

by APOD Robot » Tue Sep 11, 2018 4:06 am

Image Milky Way over Troll's Tongue

Explanation: You have to take a long hike to see the Troll's Tongue -- ten hours over rocky terrain. And in this case, it took three trips to capture the landform below a clear night sky. Trolltunga itself is a picturesque rock protrusion extending about 700 meters over mountainous cliffs near Lake Ringedalsvatnet in Norway. The overhang is made of billion-year-old Precambrian bedrock that was carved out by glaciers during an ice-age about 10,000 years ago. The featured picture is a composite of two exposures, a 15-second image of the foreground Earth followed 40 minutes later by an 87-second exposure of the background sky. Thousands of discernable stars dot the backdrop starscape in addition to billions of unresolved stars in the nearly vertical band of our Milky Way Galaxy.

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