Upcoming Events, SAAA Activities and Points of Interest
Mar 20 -- March Equinox.
The March equinox occurs at 08:58 UTC. The Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the world. This is also the first day of spring (vernal equinox) in the Northern Hemisphere and the first day of fall (autumnal equinox) in the Southern Hemisphere.
Mar 23 (Sun) -- Saturn ring plane crossing at 11:04 CDT (16:04 UTC)
Never attempt to point a pair of binoculars or a telescope at an object close to the Sun
Saturn’s rings will appear edge-on as viewed from the Earth.
Mar 29 -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 11:00 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
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Apr 5 (Sat) -- Conjunction of the Moon and Mars 14:04 CDT (19:04 UTC)
The Moon and Mars will share the same right ascension, with the Moon passing 2°09' to the north of Mars. The Moon will be 7 days old. This event is visible to the naked eye from Dallas.
Apr 13 (Sun) -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 00:24 UTC. This full moon was known by early Native American tribes as the Pink Moon because it marked the appearance of the moss pink, or wild ground phlox, which is one of the first spring flowers. This moon has also been known as the Sprouting Grass Moon, the Growing Moon, and the Egg Moon. Many coastal tribes called it the Fish Moon because this was the time that the shad swam upstream to spawn.
Apr 21 -- Mercury at Greatest Western Elongation.
The planet Mercury reaches greatest western elongation of 27.4 degrees from the Sun. This is the best time to view Mercury since it will be at its highest point above the horizon in the morning sky. Look for the planet low in the eastern sky just before sunrise.
Apr 22, 23 -- Lyrids Meteor Shower.
The Lyrids is an average shower, usually producing about 20 meteors per hour at its peak. It is produced by dust particles left behind by comet C/1861 G1 Thatcher, which was discovered in 1861. The shower runs annually from April 16-25. It peaks this year on the night of the night of the 22nd and morning of the 23rd. These meteors can sometimes produce bright dust trails that last for several seconds. The thin crescent moon will not pose much of a problem so this should be a good show. Best viewing will be from a dark location after midnight. Meteors will radiate from the constellation Lyra, but can appear anywhere in the sky.
Apr 23/24: Earthshine Mornings
The Waxing and Waning Crescent Moon phases in April and May are the best time to see Earthshine, where the unlit part of the Moon becomes visible. It is also known as Da Vinci glow.
Apr 24 (Thu) -- Venus at greatest brightness at 01:02 CDT (06:02 UTC)
Venus will reach its greatest brightness in its 2025 morning apparition. It will be shining brightly at mag -4.5. This event is visible to the naked eye from Dallas.
Apr 27 (Sun) -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 19:32 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
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May 5 (Mon) -- Quarterly Meeting of San Angelo Astronomy Assc, 7pm, ASU Planetarium
May 6, 7 -- Eta Aquarids Meteor Shower.
The Eta Aquarids is an above average shower, capable of producing up to 60 meteors per hour at its peak. Most of the activity is seen in the Southern Hemisphere. In the Northern Hemisphere, the rate can reach about 30 meteors per hour. It is produced by dust particles left behind by comet Halley, which has been observed since ancient times. The shower runs annually from April 19 to May 28. It peaks this year on the night of May 6 and the morning of the May 7. The waxing gibbous moon will block out some of the fainter meteors this year. But if you are patient, you should still should be able to catch a some of the brighter ones. Best viewing will be from a dark location after midnight. Meteors will radiate from the constellation Aquarius, but can appear anywhere in the sky.
May 12 (Mon) -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 16:57 UTC. This full moon was known by early Native American tribes as the Flower Moon because this was the time of year when spring flowers appeared in abundance. This moon has also been known as the Corn Planting Moon and the Milk Moon.
May 27 (Tue) -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 03:04 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
May 31 -- Venus at Greatest Western Elongation.
The planet Venus reaches greatest eastern elongation of 45.9 degrees from the Sun. This is the best time to view Venus since it will be at its highest point above the horizon in the morning sky. Look for the bright planet in the eastern sky before sunrise.
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June 11 (Wed) -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 07:45 UTC. This full moon was known by early Native American tribes as the Strawberry Moon because it signaled the time of year to gather ripening fruit. It also coincides with the peak of the strawberry harvesting season. This moon has also been known as the Rose Moon and the Honey Moon.
June 21 (Sat) -- June Solstice.
The June solstice occurs at 02:40 UTC. The North Pole of the earth will be tilted toward the Sun, which will have reached its northernmost position in the sky and will be directly over the Tropic of Cancer at 23.44 degrees north latitude. This is the first day of summer (summer solstice) in the Northern Hemisphere and the first day of winter (winter solstice) in the Southern Hemisphere.
June 25 Wed) -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 10:33 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
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Jul 3 (Thu) -- Earth at Aphelion
At around 19:54 UTC, the Earth will reach aphelion—the point in its orbit farthest from the Sun.
July 4 (Fri) -- Mercury at Greatest Eastern Elongation.
The planet Mercury reaches greatest eastern elongation of 25.9 degrees from the Sun. This is the best time to view Mercury since it will be at its highest point above the horizon in the evening sky. Look for the planet low in the western sky just after sunset.
July 10 (Thu) -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 20:38 UTC. This full moon was known by early Native American tribes as the Buck Moon because the male buck deer would begin to grow their new antlers at this time of year. This moon has also been known as the Thunder Moon and the Hay Moon.
July 24 (Thu) -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 19:13 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
Jul 26 (Sat) -- Venus at highest altitude in morning sky
Venus will reach its highest point in the sky in its 2025 morning apparition. It will be shining brightly at mag -4.3. This event is visible to the naked eye from Dallas.
July 28, 29 -- Delta Aquarids Meteor Shower.
The Delta Aquarids is an average shower that can produce up to 20 meteors per hour at its peak. It is produced by debris left behind by comets Marsden and Kracht. The shower runs annually from July 12 to August 23. It peaks this year on the night of July 28 and morning of July 29. The crescent moon will set early in the evening, leaving dark skies for what should be an excellent show. Best viewing will be from a dark location after midnight. Meteors will radiate from the constellation Aquarius, but can appear anywhere in the sky.
Aug 4 (Mon) -- Quarterly Meeting of San Angelo Astronomy Assc, 7pm, ASU Planetarium
Aug 9 -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 07:56 UTC. This full moon was known by early Native American tribes as the Sturgeon Moon because the large sturgeon fish of the Great Lakes and other major lakes were more easily caught at this time of year. This moon has also been known as the Green Corn Moon and the Grain Moon.
Aug 12, 13 -- Perseids Meteor Shower.
The Perseids is one of the best meteor showers to observe, producing up to 60 meteors per hour at its peak. It is produced by comet Swift-Tuttle, which was discovered in 1862. The Perseids are famous for producing a large number of bright meteors. The shower runs annually from July 17 to August 24. It peaks this year on the night of August 12 and the morning of August 13. The waning gibbous moon will block out all but the brightest meteors this year. But if you are patient, you may still be able to catch quite a few good ones. Best viewing will be from a dark location after midnight. Meteors will radiate from the constellation Perseus, but can appear anywhere in the sky.
Aug 19 -- Mercury at Greatest Western Elongation.
The planet Mercury reaches greatest western elongation of 18.6 degrees from the Sun. This is the best time to view Mercury since it will be at its highest point above the horizon in the morning sky. Look for the planet low in the eastern sky just before sunrise.
Aug 23 -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 06:08 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
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Sept 7 -- Full Moon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 18:10 UTC. This full moon was known by early Native American tribes as the Corn Moon because the corn is harvested around this time of year. This moon is also known as the Harvest Moon. The Harvest Moon is the full moon that occurs closest to the September equinox each year.
Sept 7 -- Total Lunar Eclipse.
A total lunar eclipse occurs when the Moon passes completely through the Earth's dark shadow, or umbra. During this type of eclipse, the Moon will gradually get darker and then take on a rusty or blood red color. The eclipse will be visible throughout all of Asia and Australia and the central and eastern parts of Europe and Africa. (NASA Map and Eclipse Information, https://eclipse.gsfc.nasa.gov/LEplot/LEplot2001/LE2025Sep07T.pdf)
Sept 21 -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 19:55 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
Sept 21 -- Partial Solar Eclipse.
A partial solar eclipse occurs when the Moon covers only a part of the Sun, sometimes resembling a bite taken out of a cookie. A partial solar eclipse can only be safely observed with a special solar filter or by looking at the Sun's reflection. This partial eclipse will only be visible in New Zealand, Antarctica, and the southern Pacific Ocean. It will be best seen from New Zealand with 76% coverage.
(NASA Map and Eclipse Information, https://eclipse.gsfc.nasa.gov/SEplot/SEplot2001/SE2025Sep21P.GIF)
Sept 21 -- Saturn at Opposition.
The ringed planet will be at its closest approach to Earth and its face will be fully illuminated by the Sun. It will be brighter than any other time of the year and will be visible all night long. This is the best time to view and photograph Saturn and its moons. A medium-sized or larger telescope will allow you to see Saturn's rings and a few of its brightest moons.
Sept 22 -- September Equinox.
The September equinox occurs at 18:17 UTC. The Sun will shine directly on the equator and there will be nearly equal amounts of day and night throughout the world. This is also the first day of fall (autumnal equinox) in the Northern Hemisphere and the first day of spring (vernal equinox) in the Southern Hemisphere.
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Oct 7 -- Full Moon, Supermoon.
The Moon will be located on the opposite side of the Earth as the Sun and its face will be will be fully illuminated. This phase occurs at 03:49 UTC. This full moon was known by early Native American tribes as the Hunters Moon because at this time of year the leaves are falling and the game is fat and ready to hunt. This moon has also been known as the Travel Moon and the Blood Moon. This is also the first of three supermoons for 2025. The Moon will be near its closest approach to the Earth and may look slightly larger and brighter than usual.
Oct 7 -- Draconids Meteor Shower.
A minor meteor shower producing only about 10 meteors per hour. It is produced by dust grains left behind by comet 21P Giacobini-Zinner, which was first discovered in 1900. The Draconids is unusual in that the best viewing is in the early evening instead of early morning like most other showers. The shower runs annually from October 6-10 and peaks this year on the the night of the 7th. Unfortunately the glare from the nearly full moon will block most of the meteors this year. Best viewing will be in the early evening from a dark location far away from city lights. Meteors will radiate from the constellation Draco, but can appear anywhere in the sky.
Oct 21 -- New Moon.
The Moon will located on the same side of the Earth as the Sun and will not be visible in the night sky. This phase occurs at 12:26 UTC. This is the best time of the month to observe faint objects such as galaxies and star clusters because there is no moonlight to interfere.
Oct 21, 22 -- Orionids Meteor Shower.
The Orionids is an average shower producing up to 20 meteors per hour at its peak. It is produced by dust grains left behind by comet Halley, which has been known and observed since ancient times. The shower runs annually from October 2 to November 7. It peaks this year on the night of October 21 and the morning of October 22. This is an excellent year for the Orionids. The moon will be absent all night long, leaving dark skies for what should be an excellent show. Best viewing will be from a dark location after midnight. Meteors will radiate from the constellation Orion, but can appear anywhere in the sky.
Oct 29 -- Mercury at Greatest Eastern Elongation.
The planet Mercury reaches greatest eastern elongation of 23.9 degrees from the Sun. This is the best time to view Mercury since it will be at its highest point above the horizon in the evening sky. Look for the planet low in the western sky just after sunset.
Nov 3 (Mon) -- Quarterly Meeting of San Angelo Astronomy Assc, 7pm, ASU Planetarium
Nov 5 -- Full Moon