Abell 85, the Medulla Nebula, SHO and HSO (AnaTa)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: LBN 576

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Abell 85, the Medulla Nebula, SHO and HSO

Powered byPixInsight

Abell 85, the Medulla Nebula, SHO and HSO

This is first trial for Esprit 120ED

Short-integration image of Abell 85 with Esprit 120ED and narrow band filters has about SNR of 22.
Three panels are SHO (Panel A), HSO (Panel B) and HSO annotation (Panel C)

Processing:
Dynamic Crop for R, G, B, Ha, Oiii, Sii
GraXpert for Ha, Oiii, Sii, R, G and B.
RGB combine.
DBE for RGB
Color calibration for RGB
Blur and Noise XT for RGB, Oiii, Sii and Ha.
Star XT for RGB, Oiii, Sii and Ha
Standard linear HT stretching for Oiii, Sii, Ha and RGB-stars (low-level stretching)

SHO is created.
HSO is created.
Noise XT and then HT stretch again for both.
Mask with Lum.
LHE, Kernel radius 40 and 150, power 0.2
MMT sharp, 0.4 setting.
Hue adjustment for SHO and HSO images. This is toughest step!
Curve for saturation and brightness adjustment for SHO and HSO.
Curve for saturation adjustment for RGB stars.
Added RGB stars to the Nebulas.
Annotation for SHO
Done

Original
B
Final
C

B

Title: HSO version

Uploaded: ...

Nebulas (Planetary)

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	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
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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.
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.
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Status	Advanced success
Started	...
Astrometry.net job	9100770
PixInsight job	PXK30V138DT8ZEAWBAG2OCWYYW4E6W6T
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h59m25s.246
RA (top/left)	23h56m20s.578
RA (top/right)	00h02m36s.170
RA (bottom/right)	00h02m34s.693
RA (bottom/left)	23h56m09s.739

Dec (center)	+62°27′09″.88
Dec (top/left)	+62°04′41″.83
Dec (top/right)	+62°05′24″.56
Dec (bottom/right)	+62°49′22″.41
Dec (bottom/left)	+62°48′38″.35

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Abell 85, the Medulla Nebula, SHO and HSO

Abell 85, the Medulla Nebula, SHO and HSO

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Image Index:

Contribution Index (beta):

Abell 85, the Medulla Nebula, SHO and HSO

Abell 85, the Medulla Nebula, SHO and HSO

Equipment

Acquisition details

Description

Comments

Revisions

B

Sky plot

Histogram

In these collections

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