NGC6888 Crescent Nebula

 Posted: Sep 18th, 2021
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NGC
IC
HD
Technical Info
Telescope/Lens: Newton 150/750
Camera: RisingCam 571C
Mount: HEQ5 Pro (Rowan belt modification)
Guide Scope: Pentax Takumar 200/4
Guide Camera: T7M Astro
Software: APT, PHD2, Siril, Topaz Denoise AI, Luminar
Accessories: Комакорректор GSO
Exposure:
45 x 300" ISO/Gain: 100 - Optolong l-eXtreme
Orange, Bortle 6 zone:
 Krasnoznamensk, Russia
 Sep 17th, 2021
3 h 45 m
2064
Resolution: 2000x2000 px
Scale: 1005 KB
Welcome to the family, new camera!
Now there's oxygen here.
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Comments

Excellent result!) Especially with the oxygen.
18 Sep, 2021 Reply
Bootlegger Replied to Astrodinsk
Thank you )
18 Sep, 2021 Reply
My apologies! Where are the diffraction spikes on the stars from the Newtonian telescope?
18 Sep, 2021 Reply
Bootlegger Replied to Sergei Sankov
Sleight of hand. Take a look over here with me, there's a detailed description.
18 Sep, 2021 Reply
Bootlegger Replied to Bootlegger
https://deepskyhosting.com/2z4LR04
18 Sep, 2021 Reply
Sergei Sankov Replied to Bootlegger
Wow! Interesting! I've never heard of that before! It's like Newton turning into a refractor!))
18 Sep, 2021 Reply
Bootlegger Replied to Sergei Sankov
To a certain extent. Large stars appear bloated because this solution simply changes the diffraction geometry from a star shape to a circle.
18 Sep, 2021 Reply

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