Hemisphere:  Southern  ·  Constellation: Centaurus (Cen)  ·  Contains:  NGC 4945  ·  NGC4945  ·  The star ξ1Cen  ·  ksi01 Cen
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Imaging telescopes or lenses: PlaneWave Instruments CDK 12.5"

Imaging cameras: Atik 414EX  ·  Moravian Instrument G4-16000

Mounts: Astro-Physics Inc AP 1100 GTO

Guiding telescopes or lenses: PlaneWave Instruments CDK 12.5"

Guiding cameras: Atik 414EX  ·  Moravian Instrument G4-16000

Software: TheSkyX  ·  Adobe Photoshop CC 2020  ·  Pixinsight  ·  MaxPilote  ·  FocusMax4

Filters: Chroma Red  ·  Chroma Technology Chroma OIII 3nm  ·  Chroma Technology Chroma Blue  ·  Chroma Technology Chroma Green  ·  Chroma Technology Chroma R  ·  Chroma Technology Chroma L  ·  Chroma Technology Chroma SII 3nm  ·  Chroma Technology Chroma Ha 3nm

Accessory: Skyméca DO 3"

Dates:March 3, 2020March 4, 2020March 5, 2020March 6, 2020

Chroma Technology Chroma Blue: 5x300" -20C bin 1x1
Chroma Technology Chroma Green: 61x300" -20C bin 1x1
Chroma Technology Chroma L: 40x300" -20C bin 1x1
Chroma Technology Chroma R: 12x300" -20C bin 1x1

Integration: 9.8 hours

Darks: ~110

Flats: ~5

Bias: ~200

Avg. Moon age: 9.54 days

Avg. Moon phase: 71.52%

Bortle Dark-Sky Scale: 1.00

Astrometry.net job: 3840068

RA center: 13h 5' 1"

DEC center: -49° 30' 21"

Pixel scale: 0.732 arcsec/pixel

Orientation: 1.416 degrees

Field radius: 0.413 degrees

Resolution: 2896x2840

Data source: Own remote observatory

Remote source: Observatorio El Sauce


During our treatments in progress, we still present an image made during the tests and settings for the set-up and so not totally completed but that we like and would like to share with you:

NGC 4945
Large spiral galaxy NGC 4945 is seen edge-on near the center of this cosmic galaxy portrait. In fact, NGC 4945 is almost the size of our own Milky Way Galaxy. Its own dusty disk, young blue star clusters, and pink star forming regions standout in the sharp, colorful telescopic image. About 13 million light-years distant toward the expansive southern constellation Centaurus, NGC 4945 is only about six times farther away than Andromeda, the nearest large spiral galaxy to the Milky Way. Though the galaxy's central region is largely hidden from view for optical telescopes, X-ray and infrared observations indicate significant high energy emission and star formation in the core of NGC 4945. Its obscured but active nucleus qualifies the gorgeous island universe as a Seyfert galaxy and home to a central supermassive black hole.

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Sky plot

Sky plot