Supernova on NGC7331
Taken by PAOLO PALMA on July 19, 2025 @
Rieti, Italy
Click photo for larger image
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Camera Used: HUAWEI VOG-L29
Exposure Time: 5000/10000
Aperture: f/1.6
ISO: 65535
Date Taken: 2025:07:19 01:58:30
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Details:
The explosion of a star in this famous galaxy in the constellation Pegasus was discovered just a few days ago.
I hadn't read how bright it was, so when I pointed the telescope at it yesterday, I didn't think I'd be able to see anything at all.
Yet, while at medium magnifications the very close galactic bulge prevented its detection, at high magnifications it was clearly visible as a tiny dot near the galactic center. Compared to the other visible stars, I'd estimate this "tiny dot" to be 14th magnitude.
It's a remarkably bright supernova, considering it's 45 million light-years away and comparable to the brightness of the entire galaxy that hosts it.
The image here is a single shot taken with a Huawei P30 Pro through the eyepiece of a 46cm Stargate Dobsonian at 95x. ISO 409600 0.5s. And it closely resembles what I could see through the eyepiece.
Photographer's website:
https://www.unsaltonelcielo.it
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