Celestial hemisphere:  Northern  ·  Constellation: Andromeda (And)  ·  Contains:  Andromeda Galaxy  ·  M 110  ·  M 31  ·  M 32  ·  NGC 205  ·  NGC 221  ·  NGC 224
M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan
M31 Andromeda in HaRGB | 2 Pane Panorama
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M31 Andromeda in HaRGB | 2 Pane Panorama

Revision title: Reprocess

M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan
M31 Andromeda in HaRGB | 2 Pane Panorama
Powered byPixInsight

M31 Andromeda in HaRGB | 2 Pane Panorama

Revision title: Reprocess

Equipment

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Acquisition details

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Description

M31 Andromeda Panorama in HaRGB | 2 Pane

Our largest sister galaxy, distanced 2.5 million L/Y away from Earth, is bright enough to be seen on a fairly dark night with the naked eye. Her name derives from the constellation in which we view it from Earth, Andromeda, the princess who became Perseus' wife, as told in Greek mythology.
The large galaxy is home to an estimate of a trillion stars, with a bright mass-filled center and spanning ~120,000 L/Y in diameter.

While it seems peaceful from afar, Andromeda is advancing toward our own Milky Way galaxy at a pace of around 110 Km per second, meaning the two will collide in about 4 billion years and continue to do so for another 2 billion years, until forming a new combined galaxy entirely.
The fate of our own solar system, our Sun and Earth, is unknown.

Shot on two nights/locations:
OSC(Broadband) - Har Ha'Negev - Bortle 3
Ha (Narrow band) - Mitzpe Mesua - Bortle 5

2 Panes OSC ~3.5 hrs each
2 Panes Ha ~4 hrs each

ZWO 2600MM/2600MC
iOptron GEM45
ASIAIR Pro (Plan Mode)
EAF+36 mm Filter Wheel
Chroma Ha 5nm

Stack/stitched in AstroPixel Processor, processed in Pixinsight, export via PS.

Comments

Revisions

  • M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan
    Original
  • M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan
    B
  • Final
    M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan
    C

B

Title: Reprocess

Description: Less reddish overall, better, tighter stars.
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There needs a bit more fixing on the BG, ha panes were not corrected properly - another revision will be uploaded soon.

Uploaded: ...

C

Title: Fixed color gradients

Description: Took care of some color gradients from the pane stitching. Causing uneven BG and coloration.

Uploaded: ...

Sky plot

Sky plot

Histogram

M31 Andromeda in HaRGB | 2 Pane Panorama, Gideon Golan