BBC Sky at Night Magazine - February 2023
BBC Sky at Night Magazine - February 2023
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First date with a DSLR
Tips for taking great night shots with these versatile cameras.
Observing variable stars
Uncover how stars work through tracking changes in brightness..
STAR RING ROLE
Towards the centre of a spiral galaxy, a ring of stars circles a black hole, VERY LARGE TELESCOPE, 23 NOVEMBER 2022
2 mins
Concern grows over bright satellites
Astronomers have called for more protections of our night sky
2 mins
Previously unknown minerals identified in meteorite
The discovery could help geologists to uncover conditions deep inside growing planets
1 min
Are extended cycles shaping sunspots?
Twin 17-year solar cycles could be controlling the Sun's activity
1 min
Splashdown for Artemis
The Orion capsule successfully splashed down into the Pacific Ocean on 11 December at 9:40 am PST Pacific Standard Time), completing Artemis the first test flight in a programme to return humans to the Moon's surface.
1 min
Japan heads to the Moon
Hakuto-R, a commercial lunar lander from Japanese company iSpace, launched on 11 December and entered lunar orbit three days later.
1 min
Early galaxies lack cold hydrogen glow
A missing radio signal narrows down theories about infant galaxies
1 min
JWST reveals active exoplanet atmospheres
The telescope has found evidence of atmospheric reactions above an exoplanet
2 mins
Expansion leads to increased tension
JWST observations seem to confirm cosmology's biggest conundrum
2 mins
INSIDE THE SKY AT NIGHT
In The Sky at Night's last episode of 2022, Douglas Vakoch looked into how humanity could reach out and contact other worlds
2 mins
Looking back: The Sky at Night
18 February 1976,
1 min
CBeebies Stargazing
There is no episode of The Sky at Night in February, but there is a wealth of astronomy and stargazing content on the BBC iPlayer that's suitable for children and young astronomers.
1 min
FIELD OF VIEW
When the cosmos changes history, Jonathan Powell tracks celestial events that have altered world affairs
2 mins
First date with a DSLR
Taking nightscapes and Star trails with a DSLR camera Is a great way to get started In astrophotography. Stuart Atkinson gives his best tips for beginners
7 mins
Astronomy Photographer of the Year
Supported by Liberty Specialty Markets, The world-class competition returns in 2023, seeking the best astronomy image of the past year
1 min
Chelyabinsk 10 years on
In 2013 Ezzy Pearson visited the site of a massive meteor explosion. A decade later she looks back at what we learned from the event
6 mins
Comet C/2022 E3 ZTF
BEST TIME TO SEE: 8-23 February
2 mins
Favourable southwest lunar libration
BEST TIME TO SEE: 9-16 February
1 min
Venusian encounters
BEST TIME TO SEE: From 15 February, after sunset
1 min
Jupiter
Jupiter is rapidly losing ground to the evening twilight, appearing 29° above the southwest horizon under deep twilight conditions at the start of the month, but reaching only 12° above the western horizon by the time we reach the end of the month.
3 mins
Fra Mauro
Fra Mauro is a quintessential example of a walled plain. Measuring 96km in diameter and 800m in depth, its ancient form can be located east of 300km Mare Cognitum, the sea that has become known’.
2 mins
COMETS AND ASTEROIDS
Fingers crossed for comet C/2022 E3 ZTF reaching naked-eye visibility this month
1 min
STAR OF THE MONTH
Muscida, the nose of the Great Bear, Ursa Major
1 min
BINOCULAR TOUR With Steve Tonkin
This month we're off to a dog show, finding the best in class in Canis Major
2 mins
THE SKY GUIDE CHALLENGE
Can you beat Sirius's glare to identify its faint companion the Pup Star?
2 mins
DEEP-SKY TOUR
We'll start in Orion's Sword where M42, the Orion Nebula, takes pride of place. Magnificent through any instrument, smaller scopes give a lovely overview of this fourth-magnitude nebula, easily revealing the bright kidney-shaped 'core' within which the tightly packed stars of the Trapezium Cluster are embedded.
2 mins
Does the Universe expand faster than light?
Govert Schilling continues to explain cosmology's confusing concepts In part 2 of our series
2 mins
Expansion and gravity
Though the Universe is expanding, gravity helps keep it together
1 min
OBSERVING VARIABLE STARS
Pete Lawrence is your guide to viewing variable stars so you can record their changes in brightness
5 mins
The man who put the Sun at the CENTRE OF THE UNIVERSE
This month marks 550 years since the birth of Nicolaus Copernicus. Emily Winterburn explores his life and legacy
4 mins
The Columbia Space Shuttle disaster
Twenty years on, Amy Arthur looks back at fateful flight STS-107
3 mins
Build a zero-magnification finder
Make an illuminated aiming device you can use on any telescope
3 mins
Bring out the colours of stars
From reds to yellows to blues, here's how to reveal the subtle tones of stars in your images
2 mins
ASTROPHOTOGRAPHY PROCESSING
Reduce star trailing in your astro images, An easy processing tip to remedy stretched and unsharp stars
3 mins
BBC Sky at Night Magazine Description:
Yayıncı: Our Media Ltd
kategori: Science
Dil: English
Sıklık: Monthly
Complementing the much-loved BBC television programme, Sky at Night Magazine is your practical guide to astronomy. Each issue features columns by renowned experts such as Sir Patrick Moore as well as in-depth cosmological features, practical observing tutorials, comprehensive equipment reviews, astrophotography master classes and much, much more. And with easy-to follow star charts and expert advice on how to get the most out of the observing month, Sky at Night Magazine is essential reading for both the novice and experienced astronomer.
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