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Current asteroid count is 1,351,400
Observable comet count is 1108
Current exoplanet count is 5599
Current longitude II of the GRS is 52°
Today Monitor
Mars: January 16, 2025
Jupiter: December 7, 2024
Saturn: September 8, 2024
Uranus: November 17, 2024
Neptune: September 31, 2024
Evening: January 10, 2025 at 47.2°E
Morning: June 1, 2025 at 45.9°W
Evening: December 4,2023 at 21.3°E
Morning: January 12, 2024 at 23.5°W
Evening: March 24, 2024 at 18.7°E
Morning: May 9, 2024 at 26.4°W
Evening: July 22, 2024 at 26.9°E
Morning: September 5, 2024 at 18.1°W
Evening: November 16, 2024 at 22.5°E
Morning: December 25, 2024 at 22.0°W
Wednesday, September 18
Thursday, October 17
given for 00:00 UT
Date | Size | Age | Angle | Phase |
---|---|---|---|---|
07 Jan 2024 | 30.79' | 25.02 | -6.650° | |
08 Jan 2024 | 31.26' | 26.02 | -6.770° | |
03 Feb 2024 | 30.30' | 22.50 | -6.973° | |
04 Feb 2024 | 30.72' | 23.50 | -7.583° | |
05 Feb 2024 | 31.20' | 24.50 | -7.769° | |
06 Feb 2024 | 31.72' | 25.50 | -7.466° | |
07 Feb 2024 | 32.24' | 26.50 | -6.651° | |
16 Feb 2024 | 31.66' | 6.04 | 6.779° | |
17 Feb 2024 | 31.21' | 7.04 | 6.981° | |
18 Feb 2024 | 30.80' | 8.04 | 6.862° | |
02 Mar 2024 | 30.25' | 21.04 | -7.149° | |
03 Mar 2024 | 30.63' | 22.04 | -7.776° | |
04 Mar 2024 | 31.08' | 23.04 | -8.028° | |
05 Mar 2024 | 31.57' | 24.04 | -7.844° | |
06 Mar 2024 | 32.08' | 25.04 | -7.186° | |
15 Mar 2024 | 31.85' | 4.63 | 6.947° | |
16 Mar 2024 | 31.33' | 5.63 | 7.325° | |
17 Mar 2024 | 30.85' | 6.63 | 7.301° | |
18 Mar 2024 | 30.43' | 7.63 | 6.920° | |
30 Mar 2024 | 30.34' | 19.63 | -6.691° | |
31 Mar 2024 | 30.66' | 20.63 | -7.202° | |
01 Apr 2024 | 31.03' | 21.63 | -7.405° | |
02 Apr 2024 | 31.45' | 22.63 | -7.261° | |
03 Apr 2024 | 31.89' | 23.63 | -6.743° | |
13 Apr 2024 | 31.46' | 4.24 | 6.865° | |
14 Apr 2024 | 30.95' | 5.24 | 6.983° | |
15 Apr 2024 | 30.50' | 6.24 | 6.697° | |
14 Aug 2024 | 30.51' | 9.53 | -6.644° | |
15 Aug 2024 | 30.96' | 10.53 | -6.946° | |
16 Aug 2024 | 31.45' | 11.53 | -6.807° | |
27 Aug 2024 | 31.47' | 22.53 | 6.648° | |
28 Aug 2024 | 31.09' | 23.53 | 6.822° | |
29 Aug 2024 | 30.74' | 24.53 | 6.717° | |
11 Sep 2024 | 30.44' | 7.92 | -7.081° | |
12 Sep 2024 | 30.88' | 8.92 | -7.442° | |
13 Sep 2024 | 31.38' | 9.92 | -7.388° | |
14 Sep 2024 | 31.90' | 10.92 | -6.884° | |
23 Sep 2024 | 32.03' | 19.92 | 6.983° | |
24 Sep 2024 | 31.54' | 20.92 | 7.577° | |
25 Sep 2024 | 31.07' | 21.92 | 7.769° | |
26 Sep 2024 | 30.64' | 22.92 | 7.584° | |
27 Sep 2024 | 30.28' | 23.92 | 7.067° | |
09 Oct 2024 | 30.41' | 6.22 | -6.872° | |
10 Oct 2024 | 30.80' | 7.22 | -7.260° | |
11 Oct 2024 | 31.24' | 8.22 | -7.306° | |
12 Oct 2024 | 31.73' | 9.22 | -6.971° | |
21 Oct 2024 | 32.22' | 18.22 | 6.835° | |
22 Oct 2024 | 31.69' | 19.22 | 7.618° | |
23 Oct 2024 | 31.17' | 20.22 | 7.933° | |
24 Oct 2024 | 30.69' | 21.22 | 7.796° | |
25 Oct 2024 | 30.28' | 22.22 | 7.257° | |
19 Nov 2024 | 31.78' | 17.47 | 6.845° | |
20 Nov 2024 | 31.27' | 18.47 | 7.271° | |
21 Nov 2024 | 30.79' | 19.47 | 7.223° | |
22 Nov 2024 | 30.36' | 20.47 | 6.738° |
Date | Size | Age | Angle | Phase |
---|---|---|---|---|
24 Jan 2024 | 30.14' | 12.50 | -6.549° | |
25 Jan 2024 | 29.93' | 13.50 | -6.528° | |
08 Feb 2024 | 32.71' | 27.50 | 6.591° | |
20 Feb 2024 | 30.14' | 10.04 | -6.658° | |
21 Feb 2024 | 29.89' | 11.04 | -6.663° | |
05 Mar 2024 | 31.57' | 24.04 | 6.523° | |
06 Mar 2024 | 32.08' | 25.04 | 6.747° | |
07 Mar 2024 | 32.58' | 26.04 | 6.568° | |
18 Mar 2024 | 30.43' | 7.63 | -6.754° | |
19 Mar 2024 | 30.07' | 8.63 | -6.810° | |
20 Mar 2024 | 29.80' | 9.63 | -6.556° | |
02 Apr 2024 | 31.45' | 22.63 | 6.801° | |
03 Apr 2024 | 31.89' | 23.63 | 6.741° | |
14 Apr 2024 | 30.95' | 5.24 | -6.695° | |
15 Apr 2024 | 30.50' | 6.24 | -6.846° | |
16 Apr 2024 | 30.12' | 7.24 | -6.665° | |
29 Apr 2024 | 31.18' | 20.24 | 6.717° | |
30 Apr 2024 | 31.49' | 21.24 | 6.734° | |
12 May 2024 | 30.97' | 3.86 | -6.734° | |
13 May 2024 | 30.54' | 4.86 | -6.649° | |
26 May 2024 | 31.26' | 17.86 | 6.556° | |
27 May 2024 | 31.51' | 18.86 | 6.627° | |
08 Jun 2024 | 31.21' | 1.47 | -6.565° | |
09 Jun 2024 | 30.83' | 2.47 | -6.570° | |
23 Jun 2024 | 31.72' | 16.47 | 6.548° | |
06 Jul 2024 | 30.85' | 0.04 | -6.542° | |
20 Jul 2024 | 31.77' | 14.04 | 6.576° | |
01 Aug 2024 | 31.01' | 26.04 | -6.516° | |
02 Aug 2024 | 30.73' | 27.04 | -6.622° | |
16 Aug 2024 | 31.45' | 11.53 | 6.680° | |
17 Aug 2024 | 31.94' | 12.53 | 6.611° | |
28 Aug 2024 | 31.09' | 23.53 | -6.608° | |
29 Aug 2024 | 30.74' | 24.53 | -6.758° | |
30 Aug 2024 | 30.43' | 25.53 | -6.567° | |
12 Sep 2024 | 30.88' | 8.92 | 6.748° | |
13 Sep 2024 | 31.38' | 9.92 | 6.795° | |
24 Sep 2024 | 31.54' | 20.92 | -6.608° | |
25 Sep 2024 | 31.07' | 21.92 | -6.837° | |
26 Sep 2024 | 30.64' | 22.92 | -6.706° | |
09 Oct 2024 | 30.41' | 6.22 | 6.695° | |
10 Oct 2024 | 30.80' | 7.22 | 6.831° | |
11 Oct 2024 | 31.24' | 8.22 | 6.620° | |
22 Oct 2024 | 31.69' | 19.22 | -6.763° | |
23 Oct 2024 | 31.17' | 20.22 | -6.728° | |
05 Nov 2024 | 30.24' | 3.47 | 6.535° | |
06 Nov 2024 | 30.52' | 4.47 | 6.723° | |
07 Nov 2024 | 30.84' | 5.47 | 6.580° | |
18 Nov 2024 | 32.26' | 16.47 | -6.549° | |
19 Nov 2024 | 31.78' | 17.47 | -6.638° | |
03 Dec 2024 | 30.57' | 1.74 | 6.584° | |
16 Dec 2024 | 32.04' | 14.74 | -6.545° | |
30 Dec 2024 | 30.69' | 28.74 | 6.543° |
Source: NASA/GSFC
A roughly circular, wreath-like area of red, orange, beige, brown, and green clouds with many wisps and filaments. Near the center of this wreath-like structure is a dark cavity filled with hundreds of sparkling, blue stars. The stars are not evenly distributed, with more on the right half of the image. Some blue stars also appear on top of the surrounding, wispy clouds.
Source: Space Telescope Science Institute
An Atlas-Centaur launched at 5:22 p.m. EST on March 27, 1969, to send Mariner 7 on its way to Mars. Mariner 7 joined its sister spacecraft, Mariner 6, on a journey that carried them within 2,000 miles of the red planet that summer. Mariner 6 was launched from Kennedy Space Center in Florida on Feb. 24 and investigated the Martian equatorial area while Mariner 7 concentrated on the south polar cap.
Click to enlarge or show full screenThu, 28 Mar 2024 16:53 GMT
Source: www.nasa.gov
Image credit: NASA/JPL
2024-03-15 solar system
According to NASA, on April 13, 2029, Apophis will pass less than 20,000 miles (32,000 kilometers) from Earth's surface, closer than the distance of geosynchronous satellites. Although previously dubbed the Doomsday Asteroid, about 340 meters wide Apophis does not pose any danger of impact during close approach in 2029 as it will be visible with the unaided eye. Link to source 🔗
Image credit: NASA/LRO/LROC/ASU/Smithsonian Institution
2024-01-27 solar system
Moon is shrinking and torn by tidal forces from Earth. Evidence for seismic activity has been detected near candidate regions for the Artemis III mission scheduled for a crewed lunar landing. Such quakes can produce ground shaking strong enough for faults to slide or for piling up new thrust faults. The LROC image shows a cluster of lobate scarps (left pointing arrows) near the lunar south pole. A thrust fault scarp cut across an approximately 1-km diameter degraded crater (right pointing arrow). Link to source 🔗
Image credit: NASA/Goddard/Arizona State University
2024-01-27 solar system
NASA’s Lunar Reconnaissance Orbiter captured this image of the JAXA SLIM lander on the Moon’s surface on Jan. 24, 2024. SLIM landed at -13.316° south latitude, +25.2510° east longitude, at an elevation of minus 912 meters. The image is 880 meters wide and lunar north is up. Link to source 🔗
Image credit: NASA, ESA, Leah Hustak (STScI), Ralf Crawford (STScI)
2024-01-26 Exoplanets
Discovered in 2017, the Superterran planet GJ 9827 d is located some 97 light-years away in Pisces and may have a water-rich atmosphere in spite of being hotter than Venus because it orbits extremely close to it host star alongside two further known inner planets. Astronomers will further investigate with the help of the Hubble and James Webb space telescopes. Link to source 🔗
Image credit: JAXA/タカラトミー/ソニーグループ(株)/ 同志社大学)
2024-01-25 solar system
JAXAs lunar lander SLIM has been photographed by its small rover, the Lunar Excursion Vehicle 2 (LEV-2). The soft landing about 55 meters east of target point was completed at 1.4m/sec surpassing specifications. Though the solar panels were supposed to face upwards after landing, on the photo SLIM is shown with its main engine facing upwards, but JAXA hopes it will gather sunlight and restore power until local sunset on Feb 1st. Analysis so far has also revealed that one of the two main engines was lost due to some abnormality at an altitude of 50 meters just before landing. Both exploration rover robots are in good working condition. SLIM landed on the moon at 15:20 on January 19 UTC. Link to source 🔗
Backlog
No, we are not on Facebook but proudly on AstroBin with Mille Gracie to the author Salvatore Iovene:
If anybody is interested in the night life of bats, here is a funny 1-minute MP4 video (24MB).
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Constellation | Pisces |
Distance | 37.66 parsec |
Magnitude | 10.77 vis. |
Spectral type | K7 V |
Mass | 0.69 xSun |
Radius | 0.65 xSun |
Temperature | 4203°K |
Known planet(s) | 1 |
Lyrids
16 Apr - 25 Apr, Peak: 4/22
Radiant: Star Chart, Rating: bright
15 per hour, bright and long lasting meteors. Parent body is Comet C/Thatcher (1861 G1).
Tseen Yin (Zet Ara) in Ara [HIP 83081]
Distance: 574 light-years, Magnitude: 3.12
Zeta Arae is a giant evolved star with depleted hydrogen. An excess of infrared emission may indicate circumstellar matter.
Star Chart | DSS IR Image 🔗GJ 876 A (Ross 780) in Aquarius
Distance: 15 light-years, Magnitude: 10.1
GJ 876 or Ross 780 has 4 known planets, two of them orbiting in the habitable zone. Merely 1.24% as luminous as the Sun while most of this is emitted at infrared wavelengths. Ross 780 has a slightly lower (75%) abundance of heavy elements compared to the Sun.
Star Chart | DSS IR Image 🔗
M65 (Galaxy) in Leo
Magnitude: 10.1
M65 is an intermediate spiral galaxy about 35 million light-years away. M65, M66, and NGC 3628 comprise the famous Leo Triplet, a small group of galaxies. M65 is low in dust and gas, and there is little star formation explaining the high ratio of old stars to new stars.
Star Chart | DSS IR Image 🔗Taurus (northern), area rank: 17
One of the 12 zodiac constellations marked by the 1st-magnitude star Aldebaran shining at the upper right of Orion. Taurus contains the Hyades and Plejades star clusters which can be seen with the naked eye even in cities, however, observation with a pair of binoculars is more rewarding.
Star Chart17P/Holmes
Discovered in 1892, 3.4km wide (estimated) 17P/Holmes is a short-period comet currently orbiting the sun in 6.88 years. During October 2007, an outburst brightened the comet up to naked eye visibility, as its coma expanded to an angular size larger than the Sun's while shinig at +2.8 magnitudes. Since Holmes lacked a tail it looked more like a ball with a circular coma around it.
Nemesis (Asteroid)
Semi-major: 2.75101 AU, Size: 188 km
Discovered by J. C. Watson on November 25, 1872, and named after the goddess of retribution in Greek mythology, Nemesis is a C-type main belt asteroid indicating a primitive carbonaceous composition. Nemesis is a very slow rotater with a period of 39 hours. The asteroid has a mean mass of 5.97x1018kg and a density of 1.82g/cm³.
Thalassa (moon of Neptune)
Discovered in 1989 in Voyager 2 images, Thalassa is the second innermost moon of Neptune. Thalassa is irregularly shaped (108x100x52 km) and shows no sign of geological activity. Thalassa's orbit lies below Neptune's synchronous orbit radius and is slowly spiraling down and will eventually impact or break up into a ring.
MOA-2011-BLG-291L b (in Sagittarius)
Mass: 0.057 xJup
SMA: 0.69 AU
Distance: 4400 parsec
Category: Neptunian
ESI: 0
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