开云体育

ctrl + shift + ? for shortcuts
© 2025 开云体育
Latest edition of Numberphile might be of interest to those with eponymous minor planets
Planet Pi - Numberphile - YouTube ( https://www.youtube.com/watch?v=n9lKcs-h7fg ) Asteroid (161693) Attilladanko -- that's pretty close to the Golden Ratio (1.618...)
By yeldahtron · #35088 ·
Re: Aurora
This is most likely a Petrova line [email protected]> wrote:
By Ahik · #35087 ·
Re: Aurora
Nice capture, Oscar! Jim
By James Sofia · #35086 ·
Re: Aurora... wowwwww
From Orleans... gardenway park.. 1.00 am Marco Sent from Rogers Yahoo Mail on Android On Mon, Oct 7, 2024 at 11:59 p.m., Oscar<oscar@...> wrote: Hey everyone I’m out by
By marco Vanderkooij · #35085 ·
Aurora
Hey everyone I’m out by Clay Bank just outside Arnprior taking some images of the Aurora. While scanning around, I noticed when facing west, some 100 degrees from the Aurora this red “beam”.
By Oscar · #35084 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
Replacement caps, USD 5 each. Shipping to Canada USD 30.? ?Manufacturer direct caps: priceless.
By yeldahtron · #35083 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
When I acquired a number of used eyepieces - most without caps - I figured out how to make custom caps very cheaply, using yogourt tub lids, aluminum foil, and black hockey tape. I cut a circle from
By iaoml@... · #35082 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
Last time I needed replacement caps for a Nagler, I contacted Televue directly and they mailed the needed caps back to me. I seem to remember thinking that the price was reasonable. Bill
By Bill Wagstaff · #35081 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
Thanks, Adam. That's useful information.
By yeldahtron · #35080 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
Thanks for the offer to 3D print replacements.? My caps are dual-fit -- one side of the cap fits one end of the EP and vice-versa. I'll look at Telescopes Canada.
By yeldahtron · #35079 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
+1 for Telescopes Canada. Also, First Light Optics (FLO) in the UK. Note that all their prices include local taxes. When you add an item to cart, and change your address to Canada, the price changes
By Adam Bell · #35078 ·
Re: First world problem: Where can you get replacement caps for 2" Televue EPs?
Hello, Ever since Focus Scientific folded, I shifted most of my astronomy related retail purchases to Telescopes Canada (https://www.telescopescanada.ca) — in my experience, they provide excellent
By Oscar · #35077 ·
First world problem: Where can you get replacement caps for 2" Televue EPs?
One of the caps for my 22 mm Nagler EP has disintegrated. I used to get replacement EP caps (might be the one that disintegrated) from Focus Scientific, but RIP. Does anyone know how to get
Re: Last weekend RASC star party
Paul, I had expressed interest in becoming the star party coordinator to Katie. I've attended almost every party this year, and I'm usually the last (or one of the last) to leave. I love showing
By Adam Bell · #35075 ·
Re: Last weekend RASC star party
Seemed good Mike. Saturn peeked over the trees at around 8:00, too moony by Attilla's normal standards of course, but people enjoyed it. About 40 scopes. Dave was doing great job on parking, Katie was
By PolyWogg · #35074 ·
Last weekend RASC star party
Hi Paul, How was the RASC star party last weekend? I was not able to attend. I have not seen any reports. Mike
By Mike Moghadam · #35073 ·
Re: Any sidewalk astronomy at Chapters?
next window for sidewalk, with a good moon, is October 11 attilla danko, attilladanko@..., danko@...
By Attilla Danko · #35072 ·
Any sidewalk astronomy at Chapters?
I haven't seen any posts in a long time of people setting up at Chapters...not that there was much to see at that time for planets of late. Just curious if people are still doing it...I attended the
By PolyWogg · #35071 ·
Harry Adams Xerlox Messier and Finest NGC
Salut les OAFS, I'm wondering if anyone has a copy of the Xerlox books by Harry Adams - there was one for Messier and one for finest NGCs. Mine is rather ?magané?... I wonder if perhaps there is
By Pat Browne · #35070 ·
shar a cell image for public demo
I? have? public? dem? to? do? for? my club on a new? solar? telescope nad also have some? kind? of? gadjet? for putting? my cell? in? back? of? the coronado taht? gime me
By Jacques Savard · #35069 ·