Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha (Alexandr Zaytsev)

Celestial hemisphere: Southern · Constellation: Centaurus (Cen) · Contains: HD126640 · HD126776 · HD126808 · HD126842 · HD126890 · HD127088 · HD127182 · HD127470 · HD127631 · NGC 5617 · PK315-00.1 · TYC9006-1118-1 · TYC9006-1239-1 · TYC9006-1392-1 · TYC9006-141-1 · TYC9006-1466-1 · TYC9006-2064-1 · TYC9006-2261-1 · TYC9006-2510-1 · TYC9006-2514-1 · TYC9006-2642-1 · TYC9006-2924-1 · TYC9006-2969-1 · TYC9006-3008-1 · TYC9006-3366-1 · TYC9006-3376-1 · TYC9006-3412-1 · TYC9006-3422-1 · TYC9006-3442-1 · TYC9006-3518-1 · And 103 more.

Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

Link: https://coalsack.online/chilescope/Cen_2023Q2/Cen_He2111_T3_17x600s_Ha_b6_at.jpg

Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

Link: https://coalsack.online/chilescope/Cen_2023Q2/Cen_He2111_T3_17x600s_Ha_b6_at.jpg

2h 50min of integral Ha exposure of an area around He 2-111 planetary nebula / NGC 5617 open star cluster in search for the diffuse structures in the area - captured remotely using Telescope #3 (ASA-N D = 0.5m f/3.8, FLI ProLine 16803) system of ChileScope observatory over 4 imaging sessions carried out on Jun 6, 7, 10, 12, 2023.

This is continuation of work started using T5 Chilescope instrument back to Apr 2023 [1] (similar annotations used by manually annotated revisions under this image obtained with T3 Chilescope instrument):

[1] https://www.astrobin.com/nuqbfs/E/

The "Nebula R1" and "Nebula R2" features seen in this image are independently confirmed by recent image by @Bray Falls and @Chester Hall-Fernandez [2]:

[2] https://www.astrobin.com/uxq618/

Subframes of this image for NGC 5617 cluster and He 2-111 nebula are also published separately under [3] and [4] respectively:

[3] https://www.astrobin.com/imvhbn/

[4] https://www.astrobin.com/e0yzzf/

B

Title: Manually annotated version of the image under original revision

Uploaded: ...

C

Title: A narrower FOV subframe of the original image for better view of two main objects in the view (He 2-111 / NGC 5617)

Uploaded: ...

D

Title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

Uploaded: ...

E

Title: Manually annotated version of the image under revision C

Uploaded: ...

F

Title: Manually annotated version of the image under revision D

Uploaded: ...

G

Title: Revision C with full star suppression applied

Uploaded: ...

H

Title: Manually annotated version of the image under revision G

Uploaded: ...

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Status	Advanced success
Started	...
Astrometry.net job	8044491
PixInsight job	EM7K4TOOIR524VZRAF96O4LR0HQ1OE8E
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	14h31m39s.341
RA (top/left)	14h33m47s.688
RA (top/right)	14h27m24s.641
RA (bottom/right)	14h29m26s.785
RA (bottom/left)	14h35m56s.554

Dec (center)	-60°46′58″.36
Dec (top/left)	-60°18′42″.51
Dec (top/right)	-60°38′00″.84
Dec (bottom/right)	-61°15′15″.14
Dec (bottom/left)	-60°55′29″.10

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Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

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Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

Exploring Henize 2-111 / NGC 5617 region near Alpha Cen in Ha

Revision title: Revision C with partial star suppression applied for better visibility of the diffuse structures in the background

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