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In the Sky This Week – January 22, 2019

By Robert Trembley  |  22 Jan 2019

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This entry is part 132 of 253 in the series In the Sky This Week

Southeastern predawn sky

Back in Michigan and recovered from my trip to Tucson to help with Vatican Observatory Foundation’s 2019 Faith and Astronomy Workshop (#FAWVOF), only to be thrust into face-biting arctic-like conditions for the total lunar eclipse on Jan. 20th.

The shape of the weeks-long conjunction of Jupiter, Venus and the star Antares in the southeastern predawn changes drastically this week, as Venus moves away from Jupiter and Antares. Venus appears to move away from Jupiter, and Saturn appears a little higher each morning.

Southeastern predawn sky A dance of planets and stars. Animation showing the southeastern predawn sky for the Jan. 22-28, 2019. Credit: Stellarium / Paint.Net / Bob Trembley.

Venus was simply brilliant all week at the FAW! You may note how it’s getting just a little brighter each morning at 7:00 AM; this fact is not missed by my parrots – who scream for attention at the first hint of morning’s light.

A waning gibbous Moon appears near the star Regulus in the predawn sky on Jan. 22nd and 23rd.

Western predawn sky Waning gibbous Moon near the star Regulus, in the western predawn sky, Jan 22, 2019. Credit: Stellarium / Bob Trembley.
Western predawn sky Waning gibbous Moon on the other side of the star Regulus, in the western predawn sky, Jan 23, 2019. Credit: Stellarium / Bob Trembley.

An almost third quarter moon appears near the star Spica high in the southwestern predawn sky on Jan. 26th.

Southwestern predawn sky Waning gibbous Moon near the star Spica, high in the southwestern predawn sky, Jan 26, 2019. Credit: Stellarium / Bob Trembley.

Mars appears high in the southwestern sky after sunset all week.

Mars is high in the southwestern sky after sunset all week. Credit: Stellarium / Bob Trembley.

The Sky – Just Look Up!

One of the things Br. Guy mentioned at the FAW was “Just go outside and look up!” I’ve heard this stated many times at meetings of the Warren Astronomical Society; it’s become second nature for me – I catch myself looking up every time I leave a building. Wherever you are, whenever you are, just look up!

Predawn Sky Predawn sky Jan. 2019 Credit: Stellarium / Bob Trembley.

With the total lunar eclipse behind us, the Moon is a waning gibbous, rising after sunset, appearing high in the sky after midnight, and visible to the southwest after sunrise. The Moon will be at third quarter on Jan. 28th, rising around midnight, and visible to the south after sunrise.

Moon The Moon from Jan. 22-28, 2019. Visualizations by Ernie Wright.

https://twitter.com/Mars_1956/status/1087425909278339079

It appears that several persons captured video of an impact on the Moon during the eclipse! It’s being talked about on Reddit.

Possible meteor impact on moon during Eclipse?

The northern coronal hole seems to have diminished to practically nothing. A loosely connected string of coronal holes is stretching across the Sun’s southern hemisphere.

https://sdo.gsfc.nasa.gov/assets/img/dailymov/2018/01/21/20180121_1024_0193.mp4

There is small sunspot, AR2733, with a fair amount of coronal loop activity near the equator.

Sunspot AR2733. Courtesy of NASA/SDO and the AIA, EVE, and HMI science teams.

WOW! Just WOW! LOOK at that beautiful HUGE prominence at the lower right!

https://sdo.gsfc.nasa.gov/assets/img/dailymov/2018/01/21/20180121_1024_0304.mp4

The solar wind speed is 312.3 km/sec (↓), with a density of 3.8 protons/cm3 (↓).

SOHO LASCO C2 Latest Image Animated LASCO C2 Coronograph showing the solar corona above the Sun’s limb (the white circle). Credit: NASA/JPL-Caltech
You can view the Sun in near real-time, in multiple frequencies here: SDO-The Sun Now.
You can create your own time-lapse movies of the Sun here: AIA/HMI Browse Data.
You can browse all the SDO images of the Sun from 2010 to the present here: Browse SDO archive.

Upcoming Earth-asteroid encounters:

Asteroid
Date(UT)
Miss Distance
Velocity (km/s)
Diameter (m)
2019 BO
2019-Jan-16
0.2 LD
8.1
9
2019 AU9
2019-Jan-16
7.7 LD
5.1
15
2019 AM10
2019-Jan-16
17.5 LD
3.6
35
2019 AR8
2019-Jan-16
9.7 LD
8.9
27
2019 AC3
2019-Jan-17
10.7 LD
4.4
12
2019 AB5
2019-Jan-19
7.5 LD
6.6
28
2019 AZ8
2019-Jan-20
13.7 LD
10
25
2019 AO8
2019-Jan-20
10.4 LD
11.3
27
2019 AX8
2019-Jan-22
18.1 LD
16.2
38
2019 AS11
2019-Jan-23
7 LD
4.3
16
2019 AH13
2019-Jan-23
19 LD
2.4
22
2019 AJ13
2019-Jan-25
7.6 LD
6
8
2019 AN12
2019-Jan-25
9.2 LD
20.3
29
2019 AG11
2019-Jan-25
8.6 LD
7.5
20
2019 AA10
2019-Jan-26
5.7 LD
10.2
28
2019 AP11
2019-Jan-28
10.2 LD
7.7
31
2019 AN11
2019-Jan-29
12.7 LD
8.1
31
2013 CW32
2019-Jan-29
13.9 LD
16.4
148
2019 AV2
2019-Feb-01
17.6 LD
13
204
2013 RV9
2019-Feb-06
17.9 LD
5.9
68
2017 PV25
2019-Feb-12
7.3 LD
6.1
43
455176
2019-Feb-20
19.2 LD
26.5
269
2016 CO246
2019-Feb-22
15.8 LD
5.5
23
2018 DE1
2019-Feb-27
19.8 LD
6.5
28
2016 FU12
2019-Feb-27
15.4 LD
5.2
15
2015 EG
2019-Mar-04
1.2 LD
9.6
26
2013 EG68
2019-Mar-13
19.3 LD
17
37
2012 VZ19
2019-Mar-13
7.7 LD
8
27

Notes: LD means “Lunar Distance.” 1 LD = 384,401 km, the distance between Earth and the Moon. Table from SpaceWeather.com

Near-Earth objects (NEOs) discovered this month: 198, this year: 198, all time: 19589
Potentially hazardous asteroids: 1947 (last updated  Dec. 26, 2018)
Minor Planets discovered: 789,069 (last updated Oct. 30, 2018)

Before the FAW, Br. Guy took me to lunch with several people, including a member of the OSIRIS-REx asteroid sample return mission team; high-resolution images of asteroid Bennu are due out by the end of the month! Attendees of the FAW may recognize the image below:

Asteroid Bennu Asteroid Bennu, taken Dec. 2, 2018 by OSIRIS-REx. Credits: NASA/Goddard/University of Arizona

On Jan. 21, 2019, the NASA All Sky Fireball Network reported 10 fireballs.
(10 sporadics)

Fireball orbits In this diagram of the inner solar system, all of the fireball orbits from Jan 21, 2019 intersect at a single point–Earth. Source: Spaceweather.com

Millions of people saw the full moon slide into Earth's shadow last Saturday and turn a gorgeous coppery-red. German amateur astronomer Peter C. Slansky managed to take a photo of both the "blood moon" and a meteor from Brixen, Italy! https://t.co/8LnUJoO92i pic.twitter.com/k1knxRIYpx

— AMSMETEORS (@amsmeteors) January 22, 2019

The Fiery Red California Nebula, Deep Blue Pleiades and a Green Comet 46P Wirtanen APOD 12/20/2018

The Fiery Red California Nebula, Deep Blue Pleiades and a Green Comet 46P Wirtanen – featured in APOD 12/20/2018. Credit: Tom Masterson, Grand Mesa Observatory, Whitewater (Purdy Mesa) Colo., U.S.A.

This is the position of the planets and a couple spacecraft in the solar system.

 

Hubble Space Telescope – Back in Operation!

Wide Field Camera 3 was brought back to full operational status and completed its first science observations just after noon EST today. 

For more info: https://t.co/ETEDYPwDtd

— Hubble (@NASAHubble) January 17, 2019

OSIRIS-REx – in a CLOSE Orbit of Asteroid Bennu

I'm currently a little more than 95 million kilometers (59 million miles) from home. At this distance, it takes about 10.5 minutes round-trip to communicate with Earth. 🌏 ↔️ 🛰 #WhereIsOSIRISREx https://t.co/rACre4nDe4 pic.twitter.com/gW34YGVuG2

— NASA's OSIRIS-REx (@OSIRISREx) January 21, 2019

OSIRIS-REx NASA’s OSIRIS-REx in close orbit of asteroid Bennu. Credit: NASA Eyes on the Solar System / Bob Trembley.

Landsat 7- Changes in Glaciers in Northeast India 2000-2018

This animation shows how glaciers in Sikkim in northeast #India have changed between 2000 & 2018. It was created with images from the NASA/USGS #Landsat 7 mission and from @CopernicusEU #Sentinel2.
Read the full article: https://t.co/nacnSImxNV pic.twitter.com/0zIkm90VPH

— ESA Earth Observation (@ESA_EO) December 17, 2018

Exoplanet

 

 

All Exoplanets 3885
Confirmed Planets with Kepler Light Curves for Stellar Host 2346
Confirmed Planets Discovered by Kepler 2332
Kepler Project Candidates Yet To Be Confirmed 2424
Confirmed Planets with K2 Light Curves for Stellar Host 385
Confirmed Planets Discovered by K2 359
K2 Candidates Yet To Be Confirmed 473
Confirmed Planets Discovered by TESS 1

-Data from the NASA Exoplanet Archive

While I was at the FAW, I showed a couple people this Virtual Reality app from NASA that gives you a tour of the TRAPPIST-1 exoplanet system.

I have friends who work at Fermilab, and neutrinos are weird and cool!

What's your favorite neutrino experiment? Check out All Things Neutrino to see the different sources of neutrinos and some of the experiments studying these strange particles: https://t.co/1AKOCgUmth pic.twitter.com/9ulu0U2dJp

— Fermilab (@Fermilab) January 19, 2019

Several attendees of the FAW mentioned that they had never seen “Powers of Ten” Here it is:

You’ll have to forgive the graphics and animations in “Powers of Ten” … it was made in 1977. I included “Powers of Ten” in my post “The Scale of the Universe” from 2015 – that post has several newer versions of a zoom-out to the edge of the universe – including the one from the movie CONTACT, which I just love!


Apps used for this post:

NASA Eyes on the Solar System: an immersive 3D solar system and space mission simulator – free for the PC /MAC.
I maintain the unofficial NASA Eyes Facebook page.
Stellarium: a free open source planetarium app for PC/MAC/Linux. It’s a great tool for planning observing sessions.

Section header image credits:
The Sky – Stellarium/ Bob Trembley
Observing Target – Turn Left at Orion / M. Skirvin
The Moon – NASA/JPL-Caltech
The Sun – NASA/JPL-Caltech
Asteroids – NASA/JPL-Caltech
Fireballs – Credited to YouTube
Comets –Comet P/Halley, March 8, 1986, W. Liller
The Solar System – NASA Eyes on the Solar System / Bob Trembley
Spacecraft News – NASA Eyes on the Solar System / Bob Trembley
Exoplanets – Space Engine / Bob Trembley

The Universe – Universe Today


APOLLO 50th Anniversary July 20, 2019 is the 50th Anniversary of the Apollo 11 landing on the Moon.
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