Welcoem to posts!!
in the future - u will be able to do some more stuff here,,,!! like pat catgirl- i mean um yeah... for now u can only see others's posts :c
What is the purpose of stacking images during the astrophotography workflow?
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Siril 1.2.5 was just released. "This version focuses on fixing various issues and improving stability across different platforms, particularly on macOS."
siril.org/download/2024-11-22-siril-1.2.5/
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What is the primary function of the "Background Extraction" tool in Siril?
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When an astrophotography image is said to be linear it means...
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When using Siril's OSC_Preprocessing script and the following folder structure in Windows, what should your current working directory be set to?
c:\
βββ m31\
βββ lights\
βββ darks\
βββ flats\
βββ biases\
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Image taken on Nov. 12, 2024
First light testing the SV550 from SVBONY
The Cave Nebula, officially known as Sh2-155, is a glowing cloud of gas and dust located in the constellation Cepheus, about 2,400 light-years from Earth. It gets its nickname from its appearance, which looks like a dark cavern or tunnel surrounded by bright edges. This nebula is part of a larger star-forming region where new stars are being born.
In the Cave Nebula, massive young stars emit strong radiation that causes the surrounding gas to glow and form unique shapes. The nebula is a mix of bright and dark regions, with some areas glowing in shades of red due to ionized hydrogen gas. The darker patches are thick dust clouds that block the light behind them, adding to the cave-like appearance.
109x300" exposures (9hrs. 5mins.)
Scope: SVBONY SV550 80 (480mm f/6)
Mount: ZWO AM5N
Guiding: PHD2, Uniguide 21/120mm, ZWO ASI120MM Mini
Camera: Player One Uranus-C Pro
Filter: Optolong L-Extreme
Bortle: 5
Processed in Siril, GraXpert, & Photoshop
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Image taken on Nov. 08, 2024
Wanted to get more data that night, but the clouds rolled in. I think I have a decent amount of data though thanks to the Hyperstar.
Also, I inadvertently grabbed the wrong filter for this one. I meant to use my IDAS NBX-II, but instead installed the L-Extreme. Going to have to try this again with the IDAS and do a side-by-side comparison.
The Flaming Star Nebula (IC 405) and the Letter Y Nebula (IC 417) are two stunning clouds of gas and dust located in the constellation Auriga. The Flaming Star Nebula, named for its fiery appearance, due to the intense ultraviolet radiation from a young, hot star called AE Aurigae. Nearby, the Letter Y Nebula takes its name from its Y-shaped form and contains clusters of young stars still forming within glowing clouds.
212x60" exposures (3hrs. 32mins.)
Scope: Celestron EdgeHD8 with Hyperstar v3 (425mm f/2.1)
Mount: Sky-Watcher EQ6-R
Guiding: Unguided
Camera: Player One Poseidon-C
Filter: Optolong L-Extreme
Bortle: 5
Processed in Siril, GraXpert, & Photoshop
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Image taken Nov. 07, 2024.
The Seahorse Nebula, also known as LDN 1082, is a beautiful, dark nebula in the constellation of Cepheus. This nebula is often called "The Seahorse" because of its long, twisting shape that resembles a seahorseβs silhouette against the backdrop of stars. Unlike bright nebulae that shine due to hot gas, dark nebulae like LDN 1082 appear as dark patches because they are dense clouds of gas and dust that block out the light of stars behind them.
The Seahorse Nebula is a stellar nursery, meaning it's a region where new stars are born. Within this thick, cold cloud of gas and dust, gravity is pulling material together to form new stars, but itβs hidden from view. As stars form, they may eventually shine brightly enough to light up their surroundings, revealing more details of this mysterious region. For now, we see it mostly as a dark silhouette set against the bright Milky Way, adding to the nebula's allure and mystique.
432x60" exposures (7hrs. 12mins.)
Scope: Celestron EdgeHD8 with Hyperstar v3 (425mm f/2.1)
Mount: Sky-Watcher EQ6-R
Guiding: Unguided
Camera: Player One Poseidon-C
Filter: Optolong L-Pro
Bortle: 5
Processed in Siril, GraXpert, & Photoshop
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Don't miss this sneak peek review of the new features coming in the next version of Siril 1.4! Premiering this Sat Nov. 09, 2024 at 11:30a ET. See you there!
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Image taken Nov. 03, 2024.
The Pleiades, also known as M45 or the Seven Sisters, is one of the most beautiful and well-known star clusters in the night sky. Located in the constellation Taurus, itβs easily visible with the naked eye as a small grouping of bright, blue stars. These stars are relatively young, only about 100 million years old, which is why they shine with such a bright, blue light.
The cluster is around 440 light-years away from Earth, making it one of the closest star clusters to us. Although there are hundreds of stars in the Pleiades, most people see only six or seven without a telescope. The cluster is surrounded by a faint, wispy blue nebula made of interstellar dust, which reflects the starlight and adds to its stunning appearance.
808x30" exposures (6hrs. 44mins.)
Scope: Celestron EdgeHD8 with Hyperstar v3 (425mm f/2.1)
Mount: Sky-Watcher EQ6-R
Guiding: Unguided
Camera: Player One Poseidon-C
Filter: Optolong L-Pro
Bortle: 5
Processed in Siril, GraXpert, & Photoshop
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