Hemisphere:  Northern  ·  Constellation: Andromeda (And)
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Andromeda Mosaic Plate Solve Stars 1, 


            Matt Harbison
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Andromeda Mosaic Plate Solve Stars 1

Imaging telescopes or lenses: William Optics FLT 132 Triplet APO WOFLT132

Imaging cameras: QHY 16200A

Mounts: Astro-Physics Mach 1 GTO

Guiding telescopes or lenses: William Optics FLT 132 Triplet APO WOFLT132

Guiding cameras: QHY-5-L-II-M QHY5-II Mono

Focal reducers: William Optics Reducer WO 0.80 #1

Software: PixInsight  ·  Adobe Photoshop photoshop PS  ·  Sequence Generator Pro  ·  Adobe Lightroom LR

Filters: Astrodon Ha 3nm  ·  Astrodon Tru-Balance LRGB E-Series Gen 2

Accessory: Optec Alnitak Flip-Flat Flat Fielder  ·  QHY Med OAG QHYOAG-M  ·  Moonlite DRO focuser&rotator Moonlite DRO Focuser & Rotator

Dates:Sept. 8, 2018Sept. 16, 2018Oct. 13, 2018Oct. 14, 2018

B: 20x180" -15C bin 1x1
G: 20x180" -15C bin 1x1
L: 20x180" -15C bin 1x1
R: 20x180" -15C bin 1x1

Integration: 4.0 hours

Darks: ~15

Flats: ~15

Bias: ~15

Avg. Moon age: 11.20 days

Avg. Moon phase: 24.27%

Bortle Dark-Sky Scale: 1.00

Astrometry.net job: 2385881

RA center: 0h 36' 47"

DEC center: +44° 28' 41"

Pixel scale: 2.295 arcsec/pixel

Orientation: 107.589 degrees

Field radius: 0.738 degrees

Resolution: 1824x1426

Locations: Marathon Motel, Marathon Motel, TX, United States; MaRIO, Marathon, Texas, None

Data source: Own remote observatory


Star Center from Panel 1 of my 15 Panel Andromeda Mosaic. Data Acquired over the last three months from MaRIO (Marathon Astronomical Remote Imaging Observatory).

A labor of love and great effort. Such tremendous heavens require no less.

Panel 1 HD 3346 TYC 2796-2404-1

5th Magnitude Variable star in Andromeda. 617 light years from our solar system. It’s a red giant with a surface temperature of 3978 Kelvins, 31% cooler than our suns. It is 54 times our suns diameter.

It’s pulsating semi regulating magnitude varies from 5.1 to 5.2 over a period of 11.5 days.


Sky plot

Sky plot


Andromeda Mosaic Plate Solve Stars 1, 


            Matt Harbison