Here’s another one,,,pretty much the same Daytime Dynamo Mission Scrubbed July 3; Next Attempt July 4 | | | | | | | | | | | Daytime Dynamo Mission Scrubbed July 3; Next Attempt July 4 The launch of two sounding rockets from the Wallops Flight Facility was scrubbed on Wednesday, July 3 due to poor weather in the area. The next attempt for these two rockets will be Thursday, July 4, with a window of 9:30-11:30 a.m. | | | | Michel Sent from Yahoo Mail for iPad On Saturday, December 26, 2020, 10:45 AM, Björn Gimle via Seesat-l <seesat-l_at_satobs.org> wrote: This Smithsonian posting from 2017 describes a purple-red barium release : https://www.smithsonianmag.com/smart-news/nasa-will-make-colorful-clouds-near-sunset-tonight-180963652/ Other postings say "red barium" is a barium-strontium combo. -------------------------------------------------------- Björn Gimle, COSPAR 5919 59.2617 N, 18.6169 E, 51 m Satellite observation formats described: http://www.satobs.org/position/IODformat.html --------------------------------------------------------- Den fre 25 dec. 2020 kl 19:06 skrev skywayinc--- via Seesat-l < seesat-l_at_satobs.org>: > > > > > In a message dated 12/25/2020 12:04:17 PM Eastern Standard Time, > seesat-l_at_satobs.org writes: > > > Not saying that IT IS... but it has a remarkable resemblance with a barium > cloud from a sounding rocket, launched with the purpose of carrying > Ionospheric experiments. > > ----------------- > But a Barium ion cloud would appear to glow a blue-green color; this > particular > ion cloud appears to glow a pinkish-red. This cloud reminds me of a > high-altitude experiment that was launched from Wallops Island, VA during > the dawn hours of April 3rd, 1981. Three clouds were released. One was > barium which emitted a faint blue-green glow, but the other two were > brighter and glowed with a pinkish-red color and were composed of lithium > and strontium. According to Dr. James Heppner of the Goddard Space Flight > Center, all three elements were being tested "for future experiments, > including some to be done from the Space Shuttle." > > More details . . . and images . . . can be found in Sky & Telescope, > August 1981 (Vol. 62, No. 2), pages 175-176. > > -- joe rao > _______________________________________________ > Seesat-l mailing list > http://mailman.satobs.org/mailman/listinfo/seesat-l > _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-l _______________________________________________ Seesat-l mailing list http://mailman.satobs.org/mailman/listinfo/seesat-lReceived on Sat Dec 26 2020 - 11:59:59 UTC
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