NGC3521 - The Bubble Galaxy (Zoltan KIRALY)

Celestial hemisphere: Southern · Constellation: Leo (Leo) · Contains: NGC 3521

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NGC3521 - The Bubble Galaxy

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NGC3521 - The Bubble Galaxy

Since there has been so much clear weather lately (/irony off), I thought I'd practice my image processing skills. I chose this object from the @Insight Observatory Starbase website. I'd never tried mono processing before, so I decided to start with a galaxy. I had access to HaLRGB raw images, which I processed from start to finish (even though there were already pre-integrated images available).

I learned a lot from this processing experience. I'm really starting to enjoy the world of mono imaging

. This is the last final version of the image.

Optics: AG10 CDK F6.7 f=1665mm
Mount: SkyWatcher EQ8RH
Camera: ZWO ASI6200MM Pro
Filters: На 8x1800 sec, Lum 46x600 sec, Red 18x 600 sec, Green 17x600 sec, Blue 17x600 sec (20h 20m)
Observatory: Gemini Observatory, Lijiang, China
Imaging Dates: 2023-04-19 to 2023-04-26
All image acquired by @Alpha Zhang

I recommend Hans Zimmer's song Time for wandering around the picture. After all, it's about a galaxy that's 26 million light-years away. The Time is just like that

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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.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
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.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

Status	Basic success
Started	...
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC3521 - The Bubble Galaxy

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