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#aurora

7 posts6 participants0 posts today
Spaceways
Public

02/04/2025 - Evening walk up Tap o' Noth in Aberdeenshire. We took the scope and spent 4hrs on top, just sitting, having a brew and chatting to the stars. It was chilly but we hid behind the ramparts so it was OK (there's a Pictish hillfort on top). Aurora, stars, galaxies and nebula on a dark night, it was all pretty magic.

Photo looking over the ramparts of the hillfort to the north and the reds and greens of aurora.
Photo of M13 Hercules Globular Cluster (there's really small galaxy to the left)
Photo of the Leo Triplet. The spiral galaxies M65, M66, and NGC 3628 the Hamburger Galaxy, 35 million light-years away.
Last photo of the evening, after nearly 4hrs on top I was getting cold as it was below zero but it was just magic so hard to leave. Bubble Nebula and M52 Scorpion Cluster on the left.
#EveningWalk#Astrodon#Aurora
Miss Gayle
Public

"Earth’s atmosphere is made up of different gases, mainly nitrogen and oxygen. The color of an aurora depends on the type of gas involved and how high up the collision occurs.

Aurora displays can occur at heights between approximately 80 and 500 km (50–311 miles) above Earth’s surface.

This also affects the colors that we see in the sky."

Article: timeanddate.com/news/astronomy

TimeAndDate.com Solar Maximum & the Aurora What Solar Maximum Means for Aurora Colors in 2025 By Eloise Elliott and Renate Mauland-Hus Published 26-Mar-2025 Will increased activity from the Sun affect the colors we see in the aurora this year? Find out the science behind these incredible lights in the sky. Aurora colors appear at different altitudes—this illustration shows an approximation, as actual heights can vary greatly. "It’s important to note that these are the typical altitudes for auroras, but they are famously unpredictable! Sometimes the ionized nitrogen molecules can travel up, and when sunlight hits them, they can create a blue color which can appear pink or purple if mixed with red emissions. This phenomenon is referred to as sunlit auroras. There have been some cases of blue auroras observed at heights of around 1000 km (621 miles), as well as red auroras at approximately 600 km (373 miles). This is likely the reason why many official sources on the aurora differ slightly when it comes to the altitudes where the different colors of the aurora are produced."
#Aurora#Astronomy#AstroPhotography
Jeff
Public
Had some very interesting space weather last night that culminated into an INCREDIBLE show outside of Fairbanks AK. These auroral rays that we are seeing here with the greens down low, the reds above it, then purples and hints of blue are reaching nearly 600km straight up into the upper reaches of our ionosphere.


#aurora #auroraborealis #northernlights #stars #nightsky #alaska #arctic #winter #astrophotgraphy #sonyalpha #nature #beautifulviews #beauty
#beauty
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