NGC2158 2024-02-10 (Jamie)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: NGC 2158

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NGC2158 2024-02-10

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NGC2158 2024-02-10

First processed photo with Edge HD 8 at native focal length of 2032mm shot in Chino Hills, CA.

Backspacing for the Edge HD 8 without a focal reducer should be 133.5. 134.5 if you use filters. The normal way to achieve this is to use Celestron's visual back 93644 plus your image train and set of usual spacers from ZWO that came with your camera. The issue is that I'm using an Askar OAG which is 19.5mm thick which is a little different than the usual.

Long story short I kept my image train and spacing the same (so I can easily switch between OTAs) and the backspacing on this came out to 130.85 which is -2.65mm less than what is called for. On an unprocessed image it looked fine to the edges so I may keep it here unless I notice issues with other images.

-I did use BlurXterminator on this image, but the stars were already nice so no corrections were really made, just tightening up.

SoCal Astrophotography
Fine Art Astrophotography
Imaged with N.I.N.A.
N.I.N.A. Users

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The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

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Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
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Status	Basic success
Started	...
Astrometry.net job	9275086
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC2158 2024-02-10

NGC2158 2024-02-10

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NGC2158 2024-02-10

NGC2158 2024-02-10

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