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Another nova – a 2nd ‘new star’ – is now visible in Vela

A nova shown as a bright blue star in the center of a field of stars.
View at EarthSky Community Photos. | Eliot Herman captured this image from Chile on June 27, 2025, and wrote: “Another bright nova in June 2025. That’s 2, after a long drought. This one (Nova Vela 0572) is very far south so I imaged it with a remote telescope. This was captured about a day and a half after its discovery. And it’s now blue. It’ll be interesting to follow as it reddens in the coming weeks.” Thank you, Eliot!

And now there are 2 novae visible in the sky!

Earlier this month, we reported a “new star” – or nova – visible to the eye in the constellation Lupus. But, in an incredibly rare turn of events, southern observers can now see two novae with the unaided eye at once.

The 2nd “new star” or nova in the constellation Vela is called V572 Velorum. It’s visible to the unaided eye from Earth’s Southern Hemisphere (the earlier nova, V462 Lupi, is visible from most of Earth).

John Seach and Andrew Pearce discovered the 2nd nova on June 25. At discovery, it was shining at magnitude +5.7! That’s faint, but it’s within the limit for viewing with the unaided eye. Recent observations indicate it is currently shining even more brightly than at its discovery, at a magnitude of +5.5.

Previously, V462 Lupi burst into view on June 12. That first nova is currently shining around +5.9 magnitude, barely within the limit for viewing with the unaided eye. Still, from a dark sky location, it might be possible to glimpse both V462 Lupi and V572 Velorum from Earth’s Southern Hemisphere. It’s a rare treat to witness a single nova. But the occurrence of two novae simultaneously is super rare!

Starry sky with a blue star on the left and a red star on the right. It's the same star on different dates.
View at EarthSky Community Photos. | When Eliot Herman captured V572 Velorum on June 27, 2025, it was shining at magnitude 4.8 and looked blue. He captured it again on July 15, but it now looks red. Eliot wrote: “The nova peaked at mag 4.8 and declined about 2 weeks later to mag 6.3 changing from blue to red as the shell from the nova expands and cools.” Thank you, Eliot!

Finder chart for the nova

Star chart with stars in black on white and a small red circle around a spot in Vela.
The location of nova V572 Velorum is marked with a red circle in the constellation Vela. Image via Wikipedia (CC BY 4.0).

Seeing 2 novae at once?

Astronomer Stephen James O’Meara, who lives in Africa and who has observed both novae, told EarthSky:

I am still looking at databases, (to see if this happened before) but the first instance I have found occurred ~7 years ago in 2018. AAVSO light curves show that FM Circini (Nova Circinis 2018) reached a peak brightness of magnitude 5.8 on March 22, 2018, and on that same day, Nova V906 Carinae peaked at around magnitude 5.9. So the two novae shared a similar unaided-eye magnitude, albeit briefly. Once again, these were Southern Hemisphere novae. So these are rare events.

Images of the novae

Dense starfield with an arrow pointing to one brighter star.
View at EarthSky Community Photos. | Giuseppe Pappa caught the Southern Hemisphere nova in Vela on June 30, 2025. Giuseppe wrote: “Nova Vel(v572 VEL) image taken from Namibia with remote control.” Thank you, Giuseppe!
Starry sky annotated with the nova in Vela and comparable stars with magnitude.
Here’s an image showing Nova Velorum on June 28, 2025. The nova is identified and stars of comparable magnitudes are noted as well. Image via Stephen O’Meara. Used with permission.
Two panels, each with a brighter labeled star in a star field.
Here’s a composite image showing both novae on the same night, June 26, 2025. Image via Stephen O’Meara. Used with permission.

Did you catch a picture of the nova? Submit it here.

How a nova occurs

A large yellow star from which glowing gray material is pulled toward a smaller blue star, circling around it.
A nova always involves 2 closely-orbiting stars. One is a tiny, dense white dwarf about the size of the Earth. And the companion star may be similar in mass to our sun. The white dwarf’s powerful gravity siphons material (mostly hydrogen) away from its companion over thousands of years. The hot gas forms a disk around the dwarf, which funnels the material down to the star’s surface. In time, the pilfered gas is compacted and heated until it ignites in a massive thermonuclear blast a million times brighter than the light of both stars combined. To our eyes the explosion looks like a brand new star in the night sky. Previously, the pair was there for a long, long time, but too faint to call attention to itself. Good news. The dwarf typically survives the blast and begins anew to gather more hydrogen for the next eruption. When you know what’s behind that single pinpoint of light, it’s a marvel! Chart via Astro Bob. Used with permission.

Bottom line: A “new star,” or nova, was discovered in Vela on June 25, 2025. It’s bright enough to see with the eye! So you can see two novae at once if you are in the Southern Hemisphere.

Read about the nova in Lupus here

Posted 
July 1, 2025
 in 
Tonight

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