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

Celestial hemisphere: Southern · Constellation: Crux (Cru) · Contains: HD109000 · HD109176 · PK300-01.1 · TYC8979-105-1 · TYC8979-1235-1 · TYC8979-1344-1 · TYC8979-1778-1 · TYC8979-2012-1 · TYC8979-2058-1 · TYC8979-2085-1

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

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

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

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

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/

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

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Status	Advanced success
Started	...
Astrometry.net job	5891951
PixInsight job	VRD3WFFKMJN9ST24VVGWVW4HV9AGFDTE
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	12h31m12s.316
RA (top/left)	12h29m00s.254
RA (top/right)	12h33m24s.648
RA (bottom/right)	12h33m23s.780
RA (bottom/left)	12h29m03s.252

Dec (center)	-63°41′42″.60
Dec (top/left)	-63°56′10″.75
Dec (top/right)	-63°56′12″.41
Dec (bottom/right)	-63°27′12″.35
Dec (bottom/left)	-63°27′13″.18

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

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

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

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

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

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

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

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

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