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STEREO-B test roll July 22nd, 2011 | Author: Leonid Elenin Less than an hour, the spacecraft STEREO-B will start a scheduled, test of 135 degree roll. The maneuver takes place from 12-14 UT. Posted in News | Tags: C/2010 X1 (Elenin), Comet, Comet Elenin, STEREO, Комета, Комета Еленина
“Jul 31 – Aug 12 Behind: Spacecraft rolls to observe comet Elenin” July 11th, 2011 | Author: Leonid Elenin The SECCHI team requests to roll the Behind spacecraft by 135 degrees for two hours per day each day between Aug 1 (or late on Sep 31) and Aug 12 to observe comet Elenin as it flies within 0.05 AU of the spacecraft. Observations of the comet at a wide variety of phase angles will provide information about composition. There’s also a possibility that the in situ instruments on Behind will see the ion tail. The requested two hours per day will include the roll and settle times, with the roll starting on an even hour boundary, and then back to nominal roll and settled on the next even hour boundary. A more detailed plan will be sent to APL (Applied Physics Laboratory of Johns Hopkins University). The test of the roll maneuver to observe Comet Elenin from Behind is expected to be scheduled sometime in week 29 (July 18-24). stereo-ssc.nascom.nasa.gov...
Scheduled activities for Week 29: M Jul 18 (199) Ahead: 480 kbps downlink on station 14 Behind: Test 06:25-06:50 with ESA New Norcia station T Jul 19 (200) Ahead: 480 kbps downlink on station 14 W Jul 20 (201) Ahead: 480 kbps downlink on station 14 T Jul 21 (202) Ahead: 480 kbps downlink on station 14 Behind: 480 kbps downlink on station 63 F Jul 22 (203) Behind: 480 kbps downlink on station 63 Behind: Test of 135 degree roll for comet Elenin, 12-14 UT S Jul 23 (204) Behind: 480 kbps downlink on station 63 S Jul 24 (205) ------------------------------------------------------------------------------- Scheduled activities for Week 30: M Jul 25 (206) Ahead: 480 kbps downlink on station 63 T Jul 26 (207) Ahead: SECCHI stepped calibration roll, 7:15 UT Behind: SECCHI stepped calibration roll, 9:00 UT Ahead: 480 kbps downlink on station 63 W Jul 27 (208) Ahead: 480 kbps downlink on station 63 T Jul 28 (209) F Jul 29 (210) Behind: 480 kbps downlink on stations 14 and 43 S Jul 30 (211) S Jul 31 (212) Ahead: 480 kbps downlink on station 14 ------------------------------------------------------------------------------- Scheduled activities for Week 31: M Aug 01 (213) Behind: 135 degree roll to observe comet Elenin, 8-10 UT Ahead: 480 kbps downlink on station 14 T Aug 02 (214) Behind: 135 degree roll to observe comet Elenin, 8-10 UT Ahead: 480 kbps downlink on station 14 W Aug 03 (215) Behind: 135 degree roll to observe comet Elenin, 8-10 UT Ahead: 480 kbps downlink on station 63 T Aug 04 (216) Behind: 135 degree roll to observe comet Elenin, 8-10 UT Ahead: 480 kbps downlink on station 43 Behind: 480 kbps downlink on station 14 F Aug 05 (217) Behind: 135 degree roll to observe comet Elenin, 10-12 UT Behind: 480 kbps downlink on station 43 S Aug 06 (218) Behind: 135 degree roll to observe comet Elenin, 8-10 UT S Aug 07 (219) Behind: 135 degree roll to observe comet Elenin, 8-10 UT
Originally posted by LightAssassin
reply to post by kdog1982
I doubt we'll get to see the pics. I hope so, but I doubt it
2nd.
Originally posted by Anunaki2012
I dont wanna die! :O
The first calculated orbits for Comet Elenin suggested it would remain a distant object, however it soon became clear that it was traveling on a remarkably low-inclination orbit (1.8 degrees) that would carry it quite close to both the sun and the earth. Furthermore, the geometry for forward scattering of sunlight — and thus an accompanying brightness enhancement — is quite favorable around that time. All this has led to a realization that Comet Elenin possesses at least the potential to become a relatively bright object — conceivably even a “Great Comet” — for a brief period of time around perihelion passage and its closest approach to Earth.
Originally posted by Ghost375
It's probably just a shadow. What else could it be?
Originally posted by Ghost375
It's probably just a shadow. What else could it be?
Originally posted by Centurionx
Originally posted by Helious
Absolutely nothing! Don't pay any attention to the major storms on Saturn, don't worry about Pluto turning red or anything about all of the planets in the solar system warming up at the same time, everything is completely normal!
Why do I get the feeling a certain few will be in here to tell us it is a known artifact? Lint on the lens, particles, swamp gas.