80hrs on Andromeda (RGBHSO) (Franklin Marek)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Andromeda Galaxy · HD4143 · HD4174 · HD4322 · M 110 · M 31 · M 32 · NGC 205 · NGC 206 · NGC 221 · NGC 224

80hrs on Andromeda (RGBHSO)

Little bit of a labor of love.

Really wanted to go very deep with narrowband filters on Andromeda to see all the nebulae, supernova remnants, and other gases.

This is a Red Channel enhanced with Hydrogen data, Green Channel enhanced with SII data, and Blue Channel enhanced with OIII data composite.

During processing I found a figure 8 in the OIII data and took a lot of effort but narrowed it down to a supernova remnant, SNR BW-59. You can just see it in the DSS B band and GALEX. It is at the coordinates (00 44 18.6, +41 18 53). I started a discussion of it on CloudyNights https://www.cloudynights.com/topic/887589-oiii-figure-8-in-andromeda-galaxy/#entry12878965

I really love all the different nebula region throughout though. Some remind me of objects in our own Milky Way.

I did an annotated version highlighting all the globular clusters and supernova remnants. It is definitely worth browsing the full resolution image of the annotated version!

Video I made on my image: https://youtu.be/B-b8SsDmMdE

Andromeda's Rosette

Andromeda's Eastern and Western Viel

thin spindle nebula

Various other remnants:

A large nebula that would put our Orion Nebula to shame

I also annotated all the Globular Clusters and Supernova Remnants, be sure to zoom in on this one!!

Lastly I did a composite showing all the different channels

Original
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Final
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G

C

Title: composite labelled

Uploaded: ...

G

Title: RGB Only

Description: RGB only, no narrowband data

Uploaded: ...

Galaxies Explorers in Hydrogen

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Status	Advanced success
Started	...
Astrometry.net job	9223399
PixInsight job	8SD1DD7JBNVYNRW1YI3UI9QXMKZ9AU0Y
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h43m10s.120
RA (top/left)	00h47m18s.480
RA (top/right)	00h47m20s.890
RA (bottom/right)	00h38m55s.440
RA (bottom/left)	00h39m08s.429

Dec (center)	+41°18′34″.77
Dec (top/left)	+40°16′23″.60
Dec (top/right)	+42°21′01″.63
Dec (bottom/right)	+42°20′13″.70
Dec (bottom/left)	+40°15′38″.30

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80hrs on Andromeda (RGBHSO)

80hrs on Andromeda (RGBHSO)

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80hrs on Andromeda (RGBHSO)

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