NGC6888 Crescent Nebula

Posted: Sep 18th, 2021

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NGC

IC

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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 zoneLight Pollution:

Krasnoznamensk, Russia

Sep 17th, 2021

3 h 45 m

2003

16

Welcome to the family, new camera!
Now there's oxygen here.

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Resolution: 2000x2000 px

Scale: 1005 KB

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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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