NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation (AnaTa)

Celestial hemisphere: Northern · Constellation: Cassiopeia (Cas) · Contains: HD223866 · HD223960 · HD223987 · HD224215 · HD224364 · HD224855 · HD224868 · HD224893 · HD224905 · HD224980 · HD225146 · LBN 568 · LBN 571 · LDN 1255 · NGC 7788 · NGC 7790 · Sh2-168 · Sh2-169

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NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

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NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

Main picture is LRGB. However, I have added 1h 30 min Ha, since there was some nebulosity at background and actual Sh2 region in corner.

Processing:
R, G, B, Lum and Ha were cropped.
GraXpert beta version was used to remove background.
RGB are combined.
DBE again for RGB.
Color Colib for RGB
Blur and Noise XT for Ha, Lum and RGB
Star XT for Ha. Ha stars were kept.
Manual stretching (with HT) for Ha, Lum, RGB, and Ha-stars.

1. Processing (panels B)
Added Ha-stars as Lum to RGB,
Added Lum to RGB+Ha-stars.
Added Ha to LRGB
Masked LRGBHa with lum.
Curves: brightness, saturation and hue were manipulated
Mask off.
Annotation
Done

Original
Final
B

Clusters (Open)

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Status	Advanced success
Started	...
Astrometry.net job	8807282
PixInsight job	QKMKORWWEDP46S4ICFUMU1KN88I4RHW4
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	23h57m58s.52
RA (top/left)	00h04m16s.36
RA (top/right)	23h51m50s.26
RA (bottom/right)	23h51m57s.80
RA (bottom/left)	00h03m49s.51

Dec (center)	+61°04′43″.8
Dec (top/left)	+61°47′48″.4
Dec (top/right)	+61°49′00″.7
Dec (bottom/right)	+60°20′36″.3
Dec (bottom/left)	+60°19′27″.9

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NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

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Image Index:

Contribution Index (beta):

NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

NGC7788-NGC7790, the Widow's Web Cluster, LRGBHa and annotation

Equipment

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Description

Comments

Revisions

Sky plot

Histogram

In these collections

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