October 19, 2022
Another year older means another lap aboard a world spinning through the void at impossible speed.
A Galaxy Beyond Stars, Gas, Dust
Birthday · October 19, 2022
A little universe, just for you
Your date.
Ready to give.
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APOD published October 19, 2022. Credit: Howard Trottier; Text: Emily Rice. A publication-date match, not a photo taken on your date. Independent of NASA.
Do we dare believe our eyes? When we look at images of space, we often wonder whether they are "real", and just as often the best answer varies. In this case, the scene appears much as our eyes would see it, because it was obtained using RGB (Red, Green, Blue) filters like the cone cells in our eyes, except collecting light for 19 hours, not a fraction of a second. The featured image was captured over six nights, using a 24-inch diameter telescope in the Sierra Nevada Mountains, in California, USA. The bright spiral galaxy at the center (NGC 7497) looks like it is being grasped by an eerie tendril of a space ghost, and therein lies the trick. The galaxy is actually 59 million light years away, while the nebulosity is MBM 54, less than one thousand light years away, making it one of the nearest cool clouds of gas and dust -- galactic cirrus -- within our own Milky Way Galaxy. Both are in the constellation of Pegasus, which can be seen high overhead from northern latitudes in the autumn.
Image credit: Howard Trottier; Text: Emily Rice