FeSt1-203 high density area in the corner of the Coalsack nebula (Alexandr Zaytsev)

Celestial hemisphere: Southern · Constellation: Crux (Cru) · Contains: PK300-00.1 · PK300-01.1 · PK301-01.1

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FeSt1-203 high density area in the corner of the Coalsack nebula

Link: https://coalsack.online/chilescope/FeSt1-203_6xL_180s__5xRB_300s__3xG_300s_ht_m7_at.jpg

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FeSt1-203 high density area in the corner of the Coalsack nebula

Link: https://coalsack.online/chilescope/FeSt1-203_6xL_180s__5xRB_300s__3xG_300s_ht_m7_at.jpg

83min of integral LRGB exposure of the FeSt1-203 high density area in the corner of the Coalsack nebula near Acrux (which floods the left bottom corner with parasitic (yet artistic) light). Captured using Telescope #3 (ASA-N D = 0.5m f/3.8, FLI ProLine 16803) systems of ChileScope observatory (remotely), over 3 imaging sessions carried out on Jan 11, 25, 26, 2021. Many grades of darkness in this area, with nice attenuation on the edges.

This area is identified as "AV-Large" area in Fig. 1 on page 25 in [1].

[1] S. Wang et al., "The Mid-Infrared Extinction Law and its Variation in the Coalsack Nebula", https://arxiv.org/pdf/1306.4441.pdf

A wider angle view of the entire Coalsack nebula is also available under [2]:

[2] https://www.astrobin.com/q16jx0/

Original
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Title: Acrux (just out of frame) is flooding the area with scattered light creating an interesting wave pattern

Description: (A subframe of the original image with slight color and contrast correction.)

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Status	Advanced success
Started	...
Astrometry.net job	5464317
PixInsight job	1STZAUNZGBEK74TGL2OTYA2XP6S2CS3T
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h33m03s.344
RA (top/left)	12h28m08s.286
RA (top/right)	12h38m02s.839
RA (bottom/right)	12h37m47s.385
RA (bottom/left)	12h28m15s.495

Dec (center)	-63°50′27″.21
Dec (top/left)	-64°22′28″.10
Dec (top/right)	-64°22′05″.62
Dec (bottom/right)	-63°17′49″.78
Dec (bottom/left)	-63°18′12″.41

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FeSt1-203 high density area in the corner of the Coalsack nebula

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