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+--- Thread: 2021 TT1 for the Southern Hemisphere (/showthread.php?tid=2274)
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2021 TT1 for the Southern Hemisphere - PMSchu - 2021-10-06
Hi razvan,
This looks like one for you! Max brightness of 16.1 mag on the morning of Oct 10, but in daylight. I calculated the ephemeris for Siding Spring because I don't know where you're at in Australia. It's too far south for me & probably for BMD as well. This is a pretty good advanced warning. Usually they're right on top of us or past us like 2021 TV1 which also reached ~16 mag on Oct 3.
Today's DBPS search found 34 objects within 0.05 AU on Oct 9, another record. Perhaps the hunting is better now that the northern hemisphere has more dark time for the searches.
Good luck,
Phil S.
RE: 2021 TT1 for the Southern Hemisphere - razvan - 2021-10-07
(2021-10-06, 04:45 PM)PMSchu Wrote: Hi razvan,Hi Phil,
This looks like one for you! Max brightness of 16.1 mag on the morning of Oct 10, but in daylight. I calculated the ephemeris for Siding Spring because I don't know where you're at in Australia. It's too far south for me & probably for BMD as well.
I'm not sure if you really meant it for me but I'm in Canada not Australia. Thanks for the intention, nonetheless.
Cheers,
Razvan
RE: 2021 TT1 for the Southern Hemisphere - PMSchu - 2021-10-08
Hi razvan,
I guess I got you mixed up with Dennis in Brisbane or ledge (George) who's in either Au or NZ, sorry. Yea 2021 TT1 is even worse for you in Canada. It looks like a good one though. Maybe someone can spot it.
Phil S.
RE: 2021 TT1 for the Southern Hemisphere - bigmasterdrago - 2021-10-08
What size scope are y'all using to image or observe TT1? It's low, bad phase angle and maybe 17th mag when moving towards us in the dark!
Phil, did you get all the goblins out of you ST4?
RE: 2021 TT1 for the Southern Hemisphere - PMSchu - 2021-10-08
Hi BMD,
ST4 v & ST4i are working again. I did an uninstall/reinstall followed by a ST4 Restore to get ST4v working, then used a WIN10 Backup of the SkyTools folder to replace the ST4i Target Lists that were overwritten during the Restore operation. It's been going strong since September 25. There are still some goblins though. I have double entries for some of the MPs. I've tried to delete some duplicates, but they won't go away, so I'm ignoring them.
My largest scope is the 13" Coulter Odyssey 1, but I have used some of the iTelescopes unsuccessfully to try for some MPs. The 13" hasn't seen any starlight in years
.Phil S.
RE: 2021 TT1 for the Southern Hemisphere - bigmasterdrago - 2021-10-08
Cool! I've got a custom made (by me) 13" Dob that has a re-figured 13.1 Coulter mirror in it (Paul Jones of Star Instruments). Sling mounted but on a 9pt cell. He also made my 24" glass when he was in Flagstaff in another custom Dob, driven by an Andy Sauleitis alt/az chain drive.
BTW, have you taken a look at the new GUI at Horizons? Especially the Orbit Viewer. It has really been revamped.
RE: 2021 TT1 for the Southern Hemisphere - PMSchu - 2021-10-09
I've seen their new GUI. It looks good.
Phil S.
RE: 2021 TT1 for the Southern Hemisphere - Dennis - 2021-10-09
(2021-10-08, 04:55 PM)PMSchu Wrote: Hi razvan,
I guess I got you mixed up with Dennis in Brisbane or ledge (George) who's in either Au or NZ, sorry. Yea 2021 TT1 is even worse for you in Canada. It looks like a good one though. Maybe someone can spot it.
Phil S.
Hi Phil
We were clouded out last night in Brisbane, so I didn't get the chance to image 2021 TT1 which displayed at around mag 16.9 when I checked it. Such a shame.
With the speed this guy was moving at and at mag 16.9, I suspect it would not have sprinkled enough photons in one place on my sensor to record a distinct trail, unless I somehow guided on the NEO and let the stars trail.
Cheers
Dennis
RE: 2021 TT1 for the Southern Hemisphere - bigmasterdrago - 2021-10-10
Dennis, You're doing some excellent work. I'll keep following.
drago
RE: 2021 TT1 for the Southern Hemisphere - PMSchu - 2021-10-10
Hi Dennis,
Sorry to hear that you were clouded out. That happens so often. Since you're interested, in the future I mention MPs that are SH only on the forum for you folks down under. Or are you on top?
2021 TT1 was movin' right along for sure. Apparently the iTelescopes have mounts that can track MPs & comets. My success using them has been poor.
Phil S.