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Astroblog

Obscured by Clouds. The rough and ready blog of a cloud benighted biologist and amateur astronomer. Astroblog will cover my interests in astronomy, biology and Life, the Universe and Everything.

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Thursday August 20 to Thursday August 27

The First Quarter Moon is Thursday August 20. The Lunar X is visible on the 20th. Saturn is rising just around 9:30 pm local time. Mars passes close to the stars mu and eta Geminorum. In the evening, Venus is coming closer to the bright star Spica . The First Quarter Moon is Thursday August 20. The Lunar X is visible on the 20th. First Quarter Moon at 17:00 ACST (06:30 UT) on Thursday August 20 as…

Seeing Venus in the daylight, 16 August 2026

Western horizon as seen from Adelaide on Sunday 16 August at 5:25 pm, 20 minutes before sunset. Venus is about two finger-widths beside the crescent Moon. Similar views will be seen elsewhere in Australia 20 min before local sunset (click to embiggen) 10x50 Binocular view of the pair on Sunday 16 August at 5:25 pm. (click to embiggen) While regular readers of this blog know that I'm obsessed with…

Live streams for watching the August 13 Total Solar Eclipse.

On the early morning August 13 (afternoon August 12 UT) there is a Total Eclipse of the Sun , Visible from the Arctic, Greenland, Iceland and Spain. Australia misses out completely, and Iceland looks like it will be clouded out. Not to despair, Several places are doing live-streams of the Eclipse, so you can watch it in comfort, except of course it is in the wee small hours from Australia: NASA…

Thursday August 13 to Thursday August 20

The New Moon is Thursday August 13 and the First Quarter Moon is Thursday August 20. The Lunar X is visible on the 20th. Saturn is rising just around 10:00 pm local time. Mars is close to the open cluster M35 on the 15th. In the evening, Venus forms a line with the crescent Moon and The bright star Spica on the 15th when Venus is furthest from the sun. On the 16th the crescent Moon and Venus are…

[ALERT] Comet 220P is "Bright" in the morning skies.

View of the Northern Sky as seen from Adelaide at astronomical twilight(90 minutes before Sunrise) on August 11 showing the location of comet 220P McNaught (red cross). Similar views will be seen elsewhere in Australia 90 minutes before sunrise. The location of the asteroid Ceres and Mars are also shown as Ceres is within a binocular field of Mars. Click to embiggen Binocular view of Cetus as seen…

August Skies 2026, and astrophiz podcast

To be read in conjunction with the astrophiz podcast #239 https://soundcloud.com/astrophiz/astrophiz-ep239-august-sky-guide-ian-musgrave North-Eastern horizon on the morning of Tuesday, August 4 as seen from Adelaide at 5:41 ACST (90 minutes before sunrise, click to embiggen). Saturn is high above the northern horizon with the waning Moon nearby. Mars is low in the east, below the bright red star…

Occultation of Elnath, 9 August, 2026

The eastern sky at 04:54 ACST Sunday, August 9, as seen from Adelaide. The Moon is about to finish occulting the bright star Elnath. The inset shows the telescopic view at the time. (click to embiggen). The eastern sky at 04:34 AEST Sunday, August 9, as seen from Brisbane. The Moon is about to occult the bright star Elnath. The inset shows the telescopic view at the time. (click to embiggen). The…

Thursday August 6 to Thursday August 13

The last Quarter Moon is Thursday August 6 and the New Moon is Thursday August 13. In the morning Saturn and Mars form a long line. Saturn is rising just around 10:30 pm local time. Mars is below the red star Aldebaran, pairing with Elnath (Beta Tauri). On the 9th the waning Moon occults Elnath and is near Mars. In the evening, Venus is visible well after the sky is fully dark . The last Quarter…

Thursday July 30 to Thursday August 6

The Full Moon is Thursday July 30, the last Quarter Moon is Thursday August 6. In the morning Saturn and Mars form a long line. Saturn is rising just around 10:30 pm local time and is near the waning Moon on the 4th. Mars is below the red star Aldebaran, pairing with Elnath (Beta Tauri). In the evening, Venus is visible well after the sky is fully dark and draws away from the bright star Regulus.…

Thursday July 23 to Thursday July 30

The Full Moon is Thursday July 30. In the morning Saturn and Mars form a long line. Saturn is rising just around 11 pm local time. Mars is below the red star Aldebaran. In the evening, Venus is visible well after the sky is fully dark and draws away from the bright star Regulus. The Southern Delta-Aquarids meteor shower peaks on Sunday July the 30th but moonlight washes it out. The Full Moon is…