Search found 7 matches

by Radarman
Thu Jul 28, 2011 11:27 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

Hi Tom, I know the re-sampling problem you mean but this is not the issue and I cannot fault APODs jpeg processing, looking back through you will find lots of very sharp images. The concept behind your image is excellent; its a fantastic scene, and obviously a superb location to photograph the nigh...
by Radarman
Thu Jul 28, 2011 3:33 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

Hello everyone. I am a good friend of Tom McEwan. I have seen the original star lit kiln images he has hanging in his lab and I can tell you that the original image has tremendous impact, excellent technically and you just cannot take your eyes off of it from across a twenty foot room. My wife is a...
by Radarman
Tue Jul 26, 2011 4:23 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

Sorry, just to justify my comment after reading the above explanation... I would say the foreground Kiln images had a different sky which was removed with software, yes? I can see the 'terminator' or the edge where its not properly blended. The biggest give away is bright foreground area on the far...
by Radarman
Tue Jul 26, 2011 4:04 pm
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

The charcoal kilns are near Ely, Nevada in the Ward Charcoal Ovens State Historic Park. http://parks.nv.gov/images/wcoparkmap.jpg The ovens are oriented with the doors facing southward, east is toward the left. The snow-capped mountain could be in the Great Basin National Park. The source of the sk...
by Radarman
Tue Jul 26, 2011 4:37 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

I'm going to paste my comment on this image from Friday 15 here: http://asterisk.apod.com/viewtopic.php?f=9&t=24534&p=153455#p153455 Ann, when I shot this image I had exactly the same thought as you expressed: I wanted to juxtapose the night sky with our terrestrial landscape to connect the...
by Radarman
Tue Jul 26, 2011 3:54 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

That looks very much like the green 5577 Angstrom aurora/airglow emission ( 1 S to 1 D transition of atomic oxygen.) In early June there was one three-hour period of Kp = 5 so depending on the dates/times that the images were taken it is possible that there was some faint aurora that could be detec...
by Radarman
Tue Jul 26, 2011 3:51 am
Forum: The Bridge: Discuss an Astronomy Picture of the Day
Topic: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)
Replies: 78
Views: 26830

Re: APOD: Milky Way Over Abandoned Kilns (2011 Jul 25)

The "green mist" is airglow- ionized oxygen emitting at 5577. It is a common feature of the night, and when bright has sometimes been called the "black aurora". The airglow accounts for about half the natural night sky brightness. Chad Moore National Park Service When I shot the...