10 satellite tracks, not a Starlink train, in a single 3-minute sub.
What do I win???
đ
đˇ 2025-09-30_05-52-05_R_-10.00_180.00s_5.84_0024.jpg
10 satellite tracks, not a Starlink train, in a single 3-minute sub.
What do I win???
đ
đˇ 2025-09-30_05-52-05_R_-10.00_180.00s_5.84_0024.jpg
Impressive! Must have been shortly after nautical twilight or something đ
Indeed it was! I am guessing that means they are more likely to reflect light from the rising sun?
Daniel Cimbora ¡ Oct 1, 2025, 02:38 AM
Indeed it was! I am guessing that means they are more likely to reflect light from the rising sun?
Yup. Shortly after sunset and before sunrise they are illuminated because theyâre 100+ miles up. Towards the middle of the night theyâre completely blocked from sunlight when theyâre overhead. Itâs cool sometimes to see when one âvanishesâ as it hits that threshold.
Yep! Iâve usually only seen one or two per sub though so you must be near the equator or over a popular spot!
Sadly, at my latitude thatâs an average June sub around the pole.
The most annoying ones are the super high orbit/slow movers that can ruin multiple subs.
I can see the title of the poster nowâŚ
YOUR SENSOR on LONG SUBS
I always find it interesting how folks complain so much about starlink. (This is not a jab at op at all) Dusk is hell, for sureâŚ. but once they disappear in the earths shadow, they donât show up at all. The first gens were pretty reflective, but I know they did some work to make them far less visible, and the first gen satellites have since fallen from the sky.
Purely for science, I took a couple hour long luminance subs last fall on Leo Triplet. Not a single starlink satellite was detected in either sub. On the contrary though, I found nearly every rock floating in space lol.
đˇ AP26MC_Snapshot_2025-02-28_22-37-23_Lum_-10.10_3600.00s_0001.png
No less 3 dozen asteroids floating through that image, bright as hell lol
Brian Puhl ¡ Oct 1, 2025 at 02:00 PM
I always find it interesting how folks complain so much about starlink. (This is not a jab at op at all) Dusk is hell, for sureâŚ. but once they disappear in the earths shadow, they donât show up at all. The first gens were pretty reflective, but I know they did some work to make them far less visible, and the first gen satellites have since fallen from the sky.
Purely for science, I took a couple hour long luminance subs last fall on Leo Triplet. Not a single starlink satellite was detected in either sub. On the contrary though, I found nearly every rock floating in space lol.
đˇ AP26MC_Snapshot_2025-02-28_22-37-23_Lum_-10.10_3600.00s_0001.png
No less 3 dozen asteroids floating through that image, bright as hell lol
Thatâs wild! I have yet to push past 5 mins. Must have had excellent guiding!
Jeremy Kosick ¡ Oct 1, 2025, 02:40 PM
Thatâs wild! I have yet to push past 5 mins. Must have had excellent guiding!
tbf, it was a poor seeing night. Part of why I decided to let her rip. Iâve never had an issue guiding with my EQ6âs. Takes a bit of love to tweak things, but theyâll hang with the big boys. Iâm running an Esprit 150 on mine with arguably some of the best performance youâll find from the mount.
Ali Alhawas ¡ Oct 2, 2025, 06:49 AM
Regarding the complains, the stacking app will eliminate them in the final image, donât they?
I only manually remove airplanes or something as big as that.
This is the main function of pixel rejection yes. Take 10 images, if only one of them has an offending pixel, it will get rejected in the stack. You can have hundreds of satellites drawn across your integration, as long as you have enough subs where those satellites don't exist, they will not make the final stack. The unavoidable issue with satellites often occurs at the geostationary belt, where all the satellites are lined up in the same path. Rejection becomes a nightmare because they light up the same location, dithering cannot fix this either. I did actually give up a project due to this once.
To illustrate Brianâs point about geostationary trails, here is an animation from a full nightâs session of NGC 2170 in Monoceros. This target was the worst Iâve experienced for trails that overlap and resist removal by pixel rejection. It reminds me of watching traffic pass by on a major highway. (Although I think it is more accurate to say that the satellites are stationary, and the frame is passing by them as we track the star field.)
đˇ NGC2170 Satellite Trails GIF.gif
Brian Diaz ¡ Oct 4, 2025, 08:03 PM
satellite party or maybe a meeting of satellites playing the CrosswordâŚLOL
CS
Brian
Or, all the spy satellites sneaking up on each other for a look
Daniel Cimbora ¡ Oct 1, 2025 at 01:26 AM
10 satellite tracks, not a Starlink train, in a single 3-minute sub.
What do I win???
đ
đˇ 2025-09-30_05-52-05_R_-10.00_180.00s_5.84_0024.jpg
I'm sorry but I think the record is mine.Basura espacial en Canes Venatici.jpeg
Two 10 minutes images