LBN 550 and Friends (Todd Stephens)

Celestial hemisphere: Northern · Constellation: Cepheus (Cep) · Contains: 77 Dra · HD197637 · HD197665 · HD200039 · HD202505 · HD202900 · HD203399 · LBN 545 · LBN 550 · LBN 552 · LBN 555 · LDN 1228

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LBN 550 and Friends

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LBN 550 and Friends

LBN 550 and surrounding dust clouds. I wanted to come back to this with a longer focal length after shooting a widefield mosaic of this region, so I shot it with my little 60mm refractor over the course of 5 clear nights. CEM40, AT60ED w/ 0.8x reducer, and Canon 600D. Over the 5 nights I ended up with 533 180-second light frames shot at ISO 800. Shot in Bortle-3 skies with an ever increasingly bright moon, this was the longest stretch of clear nights in a looooong time so I was lucky to get to image each night.

Calibrated with 30 each darks, flats, and dark flats, with initial processing in Astro Pixel Processor. Final adjustments with StarnetV2 and GIMP.

As always, C&C welcome and appreciated!

B

Description: JPG version for smaller file size.

Uploaded: ...

C

Description: Ran this through StarTools for a bit of noise reduction so I could bring up the saturation a bit without blowing up the noise quite so much.

Uploaded: ...

D

Description: Test driving PixInsight! Why didn't I do this sooner?

Uploaded: ...

E

Description: Last one...

After getting a little bit better feel for PI, this has some better control of the background color mottling and better star control, I think.

Uploaded: ...

F

Description: GHS, NXT, SXT, and a bit o' MLT to sharpen up the dust.

Uploaded: ...

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	Image of the day	Top pick	Top pick nominations	Total submitted
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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	Advanced success
Started	...
Astrometry.net job	5900154
PixInsight job	1CFJO8DLEIP0UPHRE4RBLNVLW9GNMARX
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	20h56m50s.51
RA (top/left)	20h27m13s.55
RA (top/right)	20h34m46s.77
RA (bottom/right)	21h17m25s.79
RA (bottom/left)	21h28m33s.91

Dec (center)	+78°01′13″.0
Dec (top/left)	+80°10′46″.4
Dec (top/right)	+75°45′55″.0
Dec (bottom/right)	+75°42′58″.6
Dec (bottom/left)	+80°06′47″.7

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LBN 550 and Friends

LBN 550 and Friends

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LBN 550 and Friends

LBN 550 and Friends

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Description

Comments

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C

D

E

F

Sky plot

Histogram

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