Search found 16 matches
- Mon Jan 15, 2024 8:59 am
- Forum: Galileo's Gabfest
- Topic: A Method of Categorizing Double Stars
- Replies: 4
- Views: 43867
Re: A Method of Categorizing Double Stars
Good morning, Mark, To answer that, one must first define a "binary star system" aka binary or double star. "Astronomy Today", Chaisson and McMillan, 2005 defines "binary star systems, which consists of two stars in orbit about a common center of mass, held together by their...
- Thu Jan 11, 2024 11:59 am
- Forum: Galileo's Gabfest
- Topic: A Method of Categorizing Double Stars
- Replies: 4
- Views: 43867
Re: A Method of Categorizing Double Stars
Yeah, Pete, an exit pupil of 0.33mm is pretty small. My resolution magnification (remember, this is for point sources only) has an exit pupil of 0.2mm. Floaters are bigger than that! But enough information gets to my brain for evaluation of the target star most of the time. I operate almost always a...
- Wed Jan 10, 2024 1:55 pm
- Forum: Galileo's Gabfest
- Topic: A Method of Categorizing Double Stars
- Replies: 4
- Views: 43867
A Method of Categorizing Double Stars
I wrote this journal article for the Journal of Double Star Observers, but I have no idea whether they will publish it or not. I sent it a few days ago, and have not heard whether is was received, let alone correctly submitted. In any event, it is written and submitted, so I can probably provide a c...
- Tue Nov 07, 2023 3:10 pm
- Forum: Galileo's Gabfest
- Topic: Double Star Report Legend
- Replies: 2
- Views: 29391
Double Star Report Legend
I have written a legend explaining the parameters of my double star reports. I post them here so as to provide some insight and background to reading the reports, and perhaps answer some questions about them.
Thanks,
Tony
Thanks,
Tony
- Thu Sep 21, 2023 12:46 pm
- Forum: Galileo's Gabfest
- Topic: Infinity Immersion
- Replies: 2
- Views: 8201
Re: Infinity Immersion
Thanks, Bruce. It is in Montreal now, but I'll be watching.
- Tue Jun 06, 2023 9:09 pm
- Forum: The Imager's Studio
- Topic: The SUN is Amazing
- Replies: 4
- Views: 1097
Re: The SUN is Amazing
Really an interesting comparison. The magnetid fields of our Sun fascinate me! Great images. Thank you!
- Mon May 22, 2023 11:48 am
- Forum: Astronomical Events
- Topic: New Supernova Discovered in M101 at 7Mpc and 14.9 mag.
- Replies: 6
- Views: 97624
Re: New Supernova Discovered in M101 at 7Mpc and 14.9 mag.
"...oh yeah, this happened 21 million years ago!" Perfect!
- Tue Nov 29, 2022 12:50 pm
- Forum: Galileo's Gabfest
- Topic: Ode to a Double Star
- Replies: 3
- Views: 1980
Re: Ode to a Double Star
Out-freakin'-standing!!
You're the Best, Mike.
Very nice work, I must agree, especially when it gives pleasure to me!
Tony
You're the Best, Mike.
Very nice work, I must agree, especially when it gives pleasure to me!
Tony
- Thu Nov 03, 2022 9:55 pm
- Forum: Galileo's Gabfest
- Topic: I bought a piece of the MOON!
- Replies: 9
- Views: 4455
Re: I bought a piece of the MOON!
You guys are the best! An actual piece of regolith! I had no idea such things were actually available for purchase. Very cool, indeed!
- Thu Oct 27, 2022 12:55 pm
- Forum: Galileo's Gabfest
- Topic: Ahh, so that's who...
- Replies: 2
- Views: 1634
Re: Ahh, so that's who...
What a great story!