Archived posting to the Leica Users Group, 2006/09/04
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]That one might get you fired in Charlotte;^) Ric On Sep 4, 2006, at 1:02 PM, David Young wrote: > > All: > > Last night, the moon caught my attention. You see, it was almost > blood red... the colour being caused by smoke from the "Tripod" > forest fire, in Washington State. > > The Tripod fire is an immense fire, being fought by 1500 fire > fighters. There is no heavy equipment being used because of the > incredibly rough terrain, but water bombers are being used > extensively. By late Tuesday night, the fire was estimated at > 147,095 acres (60,000 hectares) , nearly 230 square miles (600 square > kilometers), an area roughly the size of Chicago. > > Three hours ago, The National Post reported: > > >...the Tripod Complex fire, which has been burning since July 24, > >has engulfed more than 60,800 hectares and was estimated to be about > >five kilometres from the B.C. border, south of Osoyoos, yesterday. > >Both fires have been sending "huge amounts" of smoke "all over the > >southern half of the province," said Rucker. > > For the last two days, we've had heavily overcast skies... but not a > cloud around... it's all smoke, and when it drifts lower, the air is > permeated with the smell of the world's largest campfire. And it has > created the most unusual moon! > > The problem is that exposures must be kept to less than 1 second, at > 1000mm, or motion from the earth will blur the photos. Because the > moon's brilliance is so dimmed by the smoke, I tried both ISO 1600 > minus 1EV = 3200 and ISO 1600 minus 2 EV = ISO 6400. > > At an effective ISO of 3200, the noise was significant, but because > of the extreme nature of the shot, not too bad. A far bigger problem > was the soft focus due to the thick smoke! > > At an effective ISO of 6400, the noise was terrible. However, you'll > have to take my word for it, because when the shots are reduced to > 400x600 pixels, the noise is lost in the compression and size. But, > trust me, it was not usable. > > Anyway, if you're interested in seeing the moon as you seldom will... > > http://www3.telus.net/~telyt/Red_moon.htm > > Exposure was 0.7 seconds @ f5.6 (in truth, f11). > > Thanks for looking. > --- > > David Young, > Logan Lake, CANADA > > Wildlife Photographs: http://www.telyt.com/ > Personal Web-pages: http://www3.telus.net/~telyt > > > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information