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pay attention..for a limited time only ...neowise by maryjane
Started on: 07-08-2020 09:48 AM
Replies: 7 (235 views)
Last post by: maryjane on 07-14-2020 06:50 AM
maryjane
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Report this Post07-08-2020 09:48 AM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
https://www.youtube.com/watch?v=CipHTL61ZOU
https://www.youtube.com/watch?v=c1AiItGYewQ

Low in the sky to the NE, early morning

[This message has been edited by maryjane (edited 07-08-2020).]

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Boondawg
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Report this Post07-08-2020 01:19 PM Click Here to See the Profile for BoondawgSend a Private Message to BoondawgEdit/Delete MessageReply w/QuoteDirect Link to This Post
Thanx for all the astronomy reminders over the years!

Neo wise?



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rinselberg
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Report this Post07-08-2020 05:46 PM Click Here to See the Profile for rinselbergClick Here to visit rinselberg's HomePageSend a Private Message to rinselbergEdit/Delete MessageReply w/QuoteDirect Link to This Post
Among us, there could be those who would look first to a writeup--a humble page of text, as it were--over a video presentation.

This one clued me in as to why it's being called "Comet NEOWISE."

It also has some Internet page links to "more"--remember, I'm all about "more"--at the end of it.

"Comet NEOWISE Sizzles as It Slides by the Sun, Providing a Treat for Observers"
Mikayla Mace for JPL News; July 8, 2020
https://www.jpl.nasa.gov/ne...ews.php?feature=7697

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rinselberg
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Report this Post07-09-2020 02:37 PM Click Here to See the Profile for rinselbergClick Here to visit rinselberg's HomePageSend a Private Message to rinselbergEdit/Delete MessageReply w/QuoteDirect Link to This Post
Comet NEOWISE is in a retrograde orbit, going around the sun in the opposite way of the Earth and all of the other planets.
 
quote
If you were to look down on the Solar System from far above the [Earth's] North Pole you would see the [Earth and all of the other] planets orbiting the sun counter-clockwise.

This prompted Amy Mainzer, the JPL-affiliated NEOWISE mission's principal investigator, to go so far as to refer to Comet NEOWISE as a "weirdo" on JPL's official web page, in 2014.
 
quote
"We are so pleased to have discovered this frozen visitor from the outermost reaches of our solar system," said Amy Mainzer, the mission's principal investigator from NASA's Jet Propulsion Laboratory in Pasadena, Calif. "This comet is a weirdo - it is in a retrograde orbit, meaning that it orbits the sun in the opposite sense from Earth and the other planets."

"NEOWISE Spies Its First Comet"
JPL News; February 28, 2014.
https://www.jpl.nasa.gov/ne...php?release=2014-067


Sky & Telescope has more:
 
quote
C/2020 F3 (NEOWISE), or Comet NEOWISE, is a retrograde comet with a near-parabolic orbit discovered on March 27, 2020 by the NEOWISE space telescope. It passed closest to the Sun on July 3, 2020 and if it continues to survive perihelion 0.29 AU (43 million km) from the Sun, it is expected to remain visible to the naked eye in July. By June 10, 2020 as the comet was being lost to the glare of the Sun, it was apparent magnitude 7. When the comet entered the field of view of SOHO LASCO C3 on June 22, 2020 the comet had brightened to magnitude 3. As of July, Comet NEOWISE has brightened to magnitude +1, far exceeding the brightness attained by C/2020 F8 (SWAN), and the comet has developed a second tail. One tail is made of dust and the other tail is made of gas. The comet will be less than 20 degrees from the Sun from June 11, 2020 until July 9, 2020. Closest approach to Earth will occur July 23, 2020 at a distance of 0.69 AU (103 million km). This perihelion passage will increase the comet's orbital period from about 4500 years to about 6800 years.

Sky & Telescope
https://skyandtelescope.org...c-2020-f3-neowise-2/
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maryjane
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Report this Post07-13-2020 05:40 AM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
If you look low in the NE sky this morning and tomorrow 4:30-5:30am you can't miss it.
To me, it's much brighter than Haley's comet or the bebop comet was.
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cliffw
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Report this Post07-13-2020 06:47 AM Click Here to See the Profile for cliffwSend a Private Message to cliffwEdit/Delete MessageReply w/QuoteDirect Link to This Post
I've been looking for it.
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Cliff Pennock
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Report this Post07-13-2020 01:30 PM Click Here to See the Profile for Cliff PennockClick Here to visit Cliff Pennock's HomePageSend a Private Message to Cliff PennockEdit/Delete MessageReply w/QuoteDirect Link to This Post
This is a photo I made without tripod. So 4 second exposure without tripod. I'm going to try to make better pictures tonight.

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maryjane
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Report this Post07-14-2020 06:50 AM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
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