Dean, Thanks for sharing. Great images! Chuck Shields Quoting ketelsen@xxxxxxxxxxxxxx: > Hi All- > > Since it seems a slow period with the monsoons upon us, I thought I'd post > some animations I shot at the grand Canyon Star Party which ended a week > ago now. All were shot with a Canon 20Da used with auto dark subtraction. > > First up is non-astronomical... It is a sequence of the Warm Springs Fire > on the north rim. It was shot with an 80-200 Canon zoom, set to about > 100mm focal length. The timer was set to 1 exposure per minute, and 50 > exposures are included (tripod was kicked before the 50...): > http://alice.as.arizona.edu/~ketelsen/Animation_Warm_Springs.gif > > This is the one that started it all - shot on saturday (17 June) with a > Nikon (yes-Nikon! w/$20 E-bay adaptor) 16mm F/2.8 full frame fisheye shot > wide open. 30 second exposures (ISO 1600) every 2 minutes: > http://alice.as.arizona.edu/~ketelsen/GCSP_MW_Animation.gif > > This sequence was taken sunday night (18 June)- smoke from the Sedona fire > is seen low in the east. Shot with a Nikon 8mm fisheye wide open. @ > minute exposure every 4 minutes. Note what looks like a Iridium Flare > (not predicted by Heavens-above) in one freme in Hercules near the zenith. > You can also see me smooching with girlfriend Melinda in more than one > frame: > http://alice.as.arizona.edu/~ketelsen/Animation_8MM_Milky_Way.gif > > After the first star party sequence, I wanted one that was smoother, yet > went longer. This one uses 99 frames - 40 second exposures with the 16mm > @ F/2.8 every 90 seconds, so covers 2.5 hours of the star party. Scopes > visible are Joe Bergeron's 6" refractor to the left, Elaine Osborne's Newt > at center, and Dennis Young's 28" at right. For those of you there, I set > up to shoot thru the fence adjacent to the bathroom path - bathroom was > the source of the red lights. This is a "slow" version - the "fast" one > was just to frenetic going thru so many frames so quickly: > http://alice.as.arizona.edu/~ketelsen/Milky_Way_2_slow.gif > > Sorry some of them are a little large - could probably have saved the > jpegs at lower resolution, but I don't have the time to spend further on > it. I hope you enjoy! > > -Dean > > > -- > See message header for info on list archives or unsubscribing, and please > send personal replies to the author, not the list. > > -- See message header for info on list archives or unsubscribing, and please send personal replies to the author, not the list.