The Lion in SHO (Jonny Bravo)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: B369 · HD210886 · HD211070 · HD211430 · HD211564 · HD211643 · HD211774 · HD211820 · HD211853 · HD211982 · HD212183 · HD212312 · HD212455 · HD212533 · HD212809 · HD212986 · HD235749 · HD235765 · HD235793 · HD235807 · HD235809 · HD235810 · HD239919 · HD239928 · HD239929 · HD239933 · LBN 471 · LBN 473 · LDN 1150 · LDN 1154 · And 5 more.

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The Lion in SHO

Revision title: Reprocess of 2021 Data

Powered byPixInsight

The Lion in SHO

Revision title: Reprocess of 2021 Data

This was a completely spur-of-the-moment imaging session. With the moon at nearly 100% illumination, I hadn't planned on imaging at all. However, it was clear, it was a Saturday night, and I figured why not?

At first I thought I would image a globular or open cluster, but none were really calling me. Then I thought, well, let me get some more data on the North America and Pelican. That didn't really strike me as something I wanted to do, so I kept looking around the area. I saw the Lion and figured that would be a good target to try. I framed it up and liked how it looked, so I setup the sequence. I had planned to get a good 6 hours in - hey, it was Saturday night and I didn't have to do anything Sunday. I also wanted to see just how "bad" the image would turn out using the ASI294MM Pro in its "default" mode. With my setup, that gives me just about 2.5"/px scale. Yes, it's under-sampled, and yes, if you zoom in you'll see it.

Unfortunately, after 2.5 hours, the clouds rolled in and killed my session. I decided to stack it anyway and was pleasantly surprised with the results. The result is presented here.

Original
Final
B

B

Title: Reprocess of 2021 Data

Description: Last year I uploaded this image after only a single night of data collection. I got out a few more nights last year, but then never actually processed the data. This edit is done from 9.25 hours of SHO data. It's been 2x drizzled. I really still need a whole lot more time on target, but alas, it's too late in the season this year, so will have to wait until 2023. Maybe I'll point my 8" EdgeHD at the Lion's head.

Uploaded: ...

ZWO ASI294MM Pro Images

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Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
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Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
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This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
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Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

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.
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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	Advanced success
Started	...
Astrometry.net job	6676401
PixInsight job	YLD9MDK1XWPGP9518XM883AYF5NNTLN2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	22h19m02s.86
RA (top/left)	22h27m26s.32
RA (top/right)	22h10m59s.99
RA (bottom/right)	22h10m58s.48
RA (bottom/left)	22h26m44s.69

Dec (center)	+55°57′25″.2
Dec (top/left)	+56°41′59″.4
Dec (top/right)	+56°46′21″.1
Dec (bottom/right)	+55°10′47″.3
Dec (bottom/left)	+55°06′35″.8

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The Lion in SHO

Revision title: Reprocess of 2021 Data

The Lion in SHO

Revision title: Reprocess of 2021 Data

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Image Index:

Contribution Index (beta):

The Lion in SHO

Revision title: Reprocess of 2021 Data

The Lion in SHO

Revision title: Reprocess of 2021 Data

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

In these public groups

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