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Astrophotography
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| midtskogen | Date: Monday, 01.08.2016, 05:09 | Message # 586 |
 Star Engineer
Group: Users
Norway
Messages: 1674
Status: Offline
| ISS has some nice passes here. Heavens above predicted it would reach 19 degrees towards the south, and they were quite correct.
NIL DIFFICILE VOLENTI
Edited by midtskogen - Monday, 01.08.2016, 05:10 |
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| Watsisname | Date: Monday, 01.08.2016, 08:21 | Message # 587 |
 Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| Nice! Is that about as high as the ISS gets for you? Here I am just south of its northernmost arcs.
Using Heavens Above or other pass-prediction sites to spot the ISS is a great way to wow people at outdoor evening events.  It amazes me how many people have never seen it before.
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| midtskogen | Date: Monday, 01.08.2016, 10:18 | Message # 588 |
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Star Engineer
Group: Users
Norway
Messages: 1674
Status: Offline
| Quote Watsisname (  ) Is that about as high as the ISS gets for you?
Not about, but precisely as high. That's why ISS was worth a look last night.
Wikipedia tells me that ISS has an inclination of 51.65 deg and an altitude of 409 - 416 km. The picture shows ISS reaching 19.2 degrees, which is 19.15 corrected for refraction, as seen from 59.97N. This gives me a computed altitude of 412.2 km for ISS [assuming it passed dead south], which is within the altitude given by Wikipedia. This is assuming a spherical earth, but these calculations should still be accurate within a few tens of a degree for sure.
EDIT: Heavens Above says it was at maximum altitude for my position (59.97N 10.65E) at 23:24:07 last night and ISSTracker.com gives ISS' position at that time as 51.77N 11.29E and 406.9 km altitude. Using this position I calculate an altitude of 404.6 km, which is within reasonable uncertainties.
So, in its current orbit, it doesn't get higher (had I been slightly further to the east, the altitude would be 0.02 degrees higher, though, but that's less than a pixel in the image).
NIL DIFFICILE VOLENTI
Edited by midtskogen - Monday, 01.08.2016, 10:39 |
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| pzampella | Date: Wednesday, 03.08.2016, 22:24 | Message # 589 |
 Space Pilot
Group: Users
Venezuela
Messages: 115
Status: Offline
| Which GoTo telescope (kind, brand...) would you recommend me to buy to use in astrophotography along with a Canon EOS Rebel T5?
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| pzampella | Date: Monday, 07.11.2016, 17:56 | Message # 590 |
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Space Pilot
Group: Users
Venezuela
Messages: 115
Status: Offline
| Boca de Uchire, Venezuela.
Edited by pzampella - Monday, 07.11.2016, 18:00 |
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| Watsisname | Date: Tuesday, 08.11.2016, 00:02 | Message # 591 |
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Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| Beautiful shot. I'm ready to go out in that boat.
That reminds me of one of the most serene and surreal experiences I've had under the stars. I was kayaking on a bay on a moonless summer night. Almost no light pollution, and it was dark enough to see the Milky Way. But the water was also filled with bio-luminescent plankton, and every disturbance -- a paddle stroke, the bow wave, fish swimming around -- would produce a storm of glowing particles. It was a sea of stars both above and below.
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| pzampella | Date: Saturday, 12.11.2016, 11:11 | Message # 592 |
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Space Pilot
Group: Users
Venezuela
Messages: 115
Status: Offline
| Watsisname, Wow! I wish to have an opportunity like that!
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| Watsisname | Date: Tuesday, 15.11.2016, 08:47 | Message # 593 |
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Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| Well the clouds cleared out after all, so I got to photograph the moon. Maybe I'll try this again with the same camera & lens when it's an apogee full moon and compare the sizes side by side.
25 images at 300mm, f/6.3 1/400s ISO100, wavelet enhanced in Registax.
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| Fireinthehole | Date: Tuesday, 15.11.2016, 10:46 | Message # 594 |
 Pioneer
Group: Translators
Sweden
Messages: 356
Status: Offline
| Cool picture, Watsisname, and I would love to see a comparasion between super moon and micro moon. I missed the super moon because of heavy cloud coverage. 
Love SpaceEngine!
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| HarbingerDawn | Date: Saturday, 19.11.2016, 13:56 | Message # 595 |
 Cosmic Curator
Group: Administrators
United States
Messages: 8717
Status: Offline
| A shot of the Moon I got last week, processed extensively to bring out the Moon's subtle natural colors.
Bonus: part of an image I got recently while playing with a 500mm lens for the first time. Minimal processing.
All forum users, please read this!
My SE mods and addons
Phenom II X6 1090T 3.2 GHz, 16 GB DDR3 RAM, GTX 970 3584 MB VRAM
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| Watsisname | Date: Sunday, 20.11.2016, 10:36 | Message # 596 |
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Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| Very cool. That really enhances the ejecta rays.
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| Watsisname | Date: Monday, 28.11.2016, 07:13 | Message # 597 |
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Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| A selfie I took earlier this summer. The only source of light is the moon. (and a tiny bit more from stars and airglow)
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| midtskogen | Date: Monday, 28.11.2016, 07:54 | Message # 598 |
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Star Engineer
Group: Users
Norway
Messages: 1674
Status: Offline
| Wonderful. I love moonshine photography. The scenery is almost black and white while you do the photography, and when you look at the shots afterwards, then you discover all the colours.
NIL DIFFICILE VOLENTI
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| Watsisname | Date: Monday, 28.11.2016, 09:25 | Message # 599 |
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Galaxy Architect
Group: Global Moderators
United States
Messages: 2613
Status: Offline
| Exactly. It's also interesting just to be out under moonlight in the dark country. If you've grown up in a city you're used to the Moon being just another light in a constant bombardment of lights, but in the country it becomes a very powerful presence -- not just in the sky but also in the environment all around you. It's an experience I wish more people get to have, along with seeing the Milky Way.
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| Banana | Date: Tuesday, 29.11.2016, 09:17 | Message # 600 |
 Astronaut
Group: Users
United States
Messages: 56
Status: Offline
| Not to mention, in the country the stars are actually visible.
Hello.
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