AYesterday, an aurora was observed in Hokkaido, Japan, yesterday. Yesterday, an aurora was observed in Hokkaido, Japan.

AnThe aurora borealis was observed in Hokkaido, Japan, yesterday. The aurora borealis was observed in Hokkaido, Japan, yesterday.

Grammatically "a" is correct here, but for whatever reason English speakers decided that there is only one aurora so... Though two other readers passed this line completely so maybe I'm just being pedantic. Other parts of this have been sufficiently corrected so I won't comment on them.

An aurora was observed in Hokkaido, Japan, yesterday. An aurora was observed in Hokkaido, Japan yesterday.

An aurora was observed in Hokkaido, Japan, yesterday. An aurora was observed in Hokkaido, Japan, yesterday.

文法的に大丈夫が少し不自然. It feels distant and emotionless. 「The Nothern Lights were visible from Hokkaido, Japan yesterday.」のほうが自然。(aurora borealis = Northern Lights)

It seems since 8 yearshas apparently been 8 years since the previous one. It has apparently been 8 years since the previous one.

ItThis seems sinceto be the first time in 8 years. This seems to be the first time in 8 years.

It seems since 8 yearsto be the first time in 8 years that an aurora has been seen. It seems to be the first time in 8 years that an aurora has been seen.

It seems since 8 years think it's been 8 years since this last happened. I think it's been 8 years since this last happened.

意味不明がこれかな？

The aurora that can be observed in Japan iwas red. The aurora was red.

The auroras that can be observed in Japan isare red. The auroras that can be observed in Japan are red.

The auroras that can be observed in Japan isare red. The auroras that can be observed in Japan are red.

The aurora that can be observed in Japan iappeared yesterday was red. The aurora that appeared yesterday was red.

元々の書き方は日本にあるオーロラはいつも赤しかない

Photographer KAGAYA also tweeted that he was successful in taking its picturesphotos of the aurora. Photographer KAGAYA tweeted that he was successful in taking photos of the aurora.

I don't think the "also" is appropriate here, though you had it in Japanese (も)

Photographer KAGAYA also tweeted that he was successful in taking its pictures. of it. Photographer KAGAYA tweeted that he was successful in taking pictures of it.

Photographer KAGAYA also tweeted that he was successful in taking itsable to take pictures of it. Photographer KAGAYA tweeted that he was able to take pictures of it.

PThe photographer KAGAYA also tweeted that he was successful inable to takinge its pictures. The photographer KAGAYA also tweeted that he was able to take its pictures.

I also wanted towish I had seen it with my own eyes too. I wish I had seen it with my own eyes too.

I also wanted to see it with my own eyes. I wanted to see it with my own eyes.

"I wish I could have seen it with my own eyes" is also OK.

I also wanted to see it with my own eyes. I also wanted to see it with my own eyes.

書いたままは大丈夫、これでもいい："I wish I could have seen it with my own eyes."

Reference : https://twitter.com/KAGAYA_11949/status/1730564239964959147 Reference: https://twitter.com/KAGAYA_11949/status/1730564239964959147