Happened March 1988 in the Philippines. Bought this magazine to really prepare for what I thought was once in a lifetime (now viewed what, 5?). Unfortunately, I don't have a picture. Used water on basin to not view it directly. Fun memories!

So I have a 8in dobsonian with a 10in outer diameter and l've been looking for tube rings to slap on the thing so I can put it on my new mount. But I haven't been able to find anything that makes any sense or correlates to my telescope. I have no idea it I should get a 254mm ring or a 230mm ring. It just seems kinda random, anyways if anybody can help then it would be appreciated. Thanks.

If anything at all, what about space scares the heck out of astronomers?

I was wondering if it is somewhat common to land a job at a company working with spatial/astro data as a data analyst/data scientist/ML engineer while not having a background in astrophysics. The reason I ask is because I have a background in Computer and System Sciences, but have a natural interest towards Astronomy! Therefore, I would love to contribute to the field by utilizing my data skills.

Thanks in advance for your insights 🤙🏻

Hi! I’m new to astronomy and I know Saturn has like over 1000 rings but I saw online that they’re organized into main rings. However, they’re different. Some say it has 7 main rings, some say 8, and some 9.

We know that mass of the sun is 1.9x10^30 kg or 1,900,000,000,000,000,000,000,000,000,000 kg. But what do we call it? 1.9 Nonillion? I havent found this answer online and after a lot of research decided to ask you all

Good morning r/Astronomy! Wondering if there are any Canadians on here who may be members of the Royal Astronomical Society of Canada - I am considering signing up for a membership but don't really know if it is worth it. TIA!

I'd like to find a website or an app that simulates in 3d space the orbit of the moon around the Earth with the presence of the sun to fully understand when and how the different phases of the moon occur and their visibility depending on my position on earth. It's been bugging me and my friends for a while and I think that would be the best solution for it. Something that simplifies the phenomenon yet remains as accurate as possible. Thanks!

Hello,

I am trying to run Pyraf on MacOS (Sonoma, M3 MacBook Pro)... and getting an error when starting pyraf:

materials_sheet4 î° pyraf
No graphics/display possible for this session.
setting terminal type to xgterm...

I am using xgterm on Mac installed by the IRAF installer.... When then using implot then I get a follow-up error:

--> implot sp0020.fits
No graphics display available for this session.
Graphics tasks that attempt to plot to an interactive screen will fail.
Killing IRAF task `implot'
Traceback (innermost last):
  File "<CL script CL1>", line 1, in <module>
pyraf.tools.irafglobals.IrafError: Unable to plot graphics to screen

Anybody has an idea what's going wrong? A problem with the login.cl?

I feel this should be an event that takes place yearly or so to allow us to witness the cosmos without light pollution.

Hello, I’m from the uk and I am just about to sit my GCSEs and I’m thinking of becoming an astrophysicist or astronomer. I want to pick the strongest a level combination but I can’t decide between: maths, physics, and chemistry or: maths, physics, and geology. Which science would look better on my university applications geology or chemistry? Also, which one would be easier and would therefore get me a better grade? thanks for any advice

I came across the Great Attractor the other day and had fun researching the topic. I'd love to hear about your favorite things we've found in space that we can't explain fully yet so I can go on another googling rampage.

Im trying to come up with a system where the moon and the sun are never see together. I guess for this to be possible the moon would need to rotate the same direction around the planet as the planet rotates around the star. (If you think of it as to circles with arrows they would both be either pointing clockwise or counterclockwise.)
I don't care about the moon being tidally locked to the planet, if that changes anything. My guess would be that the moon has to orbit the planet in the same time the planet orbits the star (one year). Im thinking of an earthlike planet and a plain boring moon, that doesn't have to be to large.

Link to Pt 1: https://www.reddit.com/r/Astronomy/comments/1c8vcql/do_you_know_what_comet_this_is/

So, I took a few suggestions from and suggesting that it could very likely be a telescope lens flare, or the light reflecting off of Propus.

After fighting clouds, rain, and nature, I finally got a bright hazy night with some clear skies and got decent enough data to realize, dang, I think you're correct, my friends! Instead of focusing in the same spot as I had been, I moved to Propus itself. This is the end result in the 'box' where the comet was previously:

https://preview.redd.it/k42w63re6yvc1.png?width=233&format=png&auto=webp&s=daf3192e772375386875b73aac13d5ffdf8155dd

Since unless she's *really* faint (And alas, it was hazy) - there ain't nothing there. There's an ever so faint hint of a purple object, or a very very dim star, but other than that, doesn't look good. For reference, this was about 45m of subs, the moon nearing its peak, and it was hazy. However, it should have at least had its core visible in my opinion. It was about as faint as that third star to the left of the 'box' where the flare was in the first two pictures of the first thread, and while that star is dim and the fourth barely visible, in my mind that should have been enough to bring out a brighter hint. There's a star in the 'box' that was about as faint as the object, also not visible, but I believe that's the faint outline I see in the noise.

The full image of Propus:

https://preview.redd.it/3ki4zbkp6yvc1.png?width=3010&format=png&auto=webp&s=6843e8999926ce94a1b7da0dc9e214de5a6aabda

So, I think there's my answer sadly. It's no comet at all, it's all this dang glass in my way!

On the plus side, I got to photograph a star I never actually focused on before, I learned a lot about what to do BEFORE I go to the internet thinking I've seen something neat, and made a couple of buddies along the way. A lot of thanks to u/JDroMartinez for taking the time out of their evening and taking a photo as well (Also, sans comet like object)

I'll take another few nights of her, especially when the moon is out of my hair, and with hopefully clear/haze free skies. I've got another couple of weeks before it becomes impossible for me to photograph here. I'll first focus back on the jellyfish, if it shows up on a single sub, I'll immediately go back to Propus to confirm the lens flare theory and how to avoid it in the future, but my friends, much like the empty safe, I think this is a whole lot of nothing.

This may be a newbie question, but why does there seem to be such a large discrepancy between the elevation of the moon on various websites vs what I see in real life.

For instance, looking at the moon recently I would say the elevation looks to be around 45 degrees. When I check various websites, they all confirm that it is actually elevated around 20 degrees.

I can't find reaources online that explain this, perhaps I misunderstand how to use the elevation calculation?