DeepSkyHosting

NGC-6960 "Witch's Broom"

Category:Deep Sky
Published:
2837
NGC-6960 "Witch's Broom"NGC 6960
Resolution:
5202x3465 px
File size:
6749 KB

Photo description / processing

Very bright sky and bright Moon

Technical information

Telescope/Lens
Sky-Watcher BKP25012
Camera
Canon EOS 550D (astro-modified)
Mount
Sky-Watcher EQ6-R Pro
Guide Scope
Sky-Watcher 804
Guide Camera
Datyson T7C
Accessories
Baader MPCC Mark III
Software
APT, DSS, FITStacker13
Location
пгт. Актюбинский, Россия

Light pollution

Yellow, Bortle 5 zone

Exposure

  • 46 × 180″ · ISO/Gain: 800

Total exposure: 2 h 18 m

Comments

Smirnov Andrey
Oleg, the dark spots right on the main subject (something went wrong with the background alignment) and the streaks at the right edge of the frame (no cropping was done) really spoil the impression.
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OlegIn_GeologReply to Smirnov Andrey
Ah, the streaks, I didn't notice them.
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Smirnov AndreyReply to OlegIn_Geolog
Send me a frame before background alignment, I'll tweak it. If it turns out well, I'll send a screenshot with the parameters.
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OlegIn_GeologReply to Smirnov Andrey
The photo came out a bit rough, so I don't even want to post it in the astrophotography beginners' group. It's too bright for this object—we have almost white nights, and the moon was blasting its light at 75% phase.
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OlegIn_GeologReply to Smirnov Andrey
I can send a link to the FTS (215 meters) after stacking in DSS. I'll upload it to Yandex now.
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Smirnov AndreyReply to OlegIn_Geolog
Downloaded, took a look. Wow... I feel for you :).
I'll give it a spin and tweak it closer to nighttime.
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OlegIn_GeologReply to Smirnov Andrey
Well, we work with what we have... Can't let the nights go to waste, even such bright ones. There are already too few of them. Last year, for example, during the entire season (March–October; I don't shoot in sub-zero temperatures—I feel sorry for both myself and the equipment), I only managed to get out with the telescope about 10 times. Either rain, or fog, or smoke from wildfires drifting in from Siberia. So I try not to miss clear nights. And I specifically shoot such challenging objects for a reason. I need to test how the Da camera works with the Lumicon UR/IK filter, master APT, learn to guide not via ST4 but through the mount's native USB (the new EQ6-R mounts have a USB port in the mount head), and much more. A big imaging project is planned for August–September; I want to capture one object (well, actually there are six of them) with a total exposure of about 25–30 hours, maybe even more.
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OlegIn_GeologReply to Smirnov Andrey
Despite everything, it turned out not much worse than the Broom, shot in September '18, during moonless nights on the old setup, with a simple, non-Da 550 Canon.
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OlegIn_GeologReply to Smirnov Andrey
It's even sadder to just look on nights like these than to shoot.
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OlegIn_GeologReply to OlegIn_Geolog
Astronomik L-2 UV IR Block Clip Filter for Canon
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OlegIn_GeologReply to Smirnov Andrey
There are so many stars there, you don't even know where to place the green rectangles in FitStacker to avoid hitting a star )))
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