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Contains:  NGC 1672
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NGC 1672

Technical card

Resolution: 2910x1940

Dates:Dec. 8, 2018

Frames: 73x900"

Integration: 18.2 hours

Avg. Moon age: 1.12 days

Avg. Moon phase: 1.40%

Astrometry.net job: 2583076

RA center: 71.408 degrees

DEC center: -59.227 degrees

Pixel scale: 0.804 arcsec/pixel

Orientation: 36.520 degrees

Field radius: 0.391 degrees

Data source: Own remote observatory

Remote source: Non-commercial independent facility

Description

This wonderful barred spiral galaxy presents a fantastic face on orientation. It was originally thought to be a member of the Dorada Group, but its membership has been rescinded. Scanning across NGC 1672 it is possible to identify many starburst regions with red/pink hues. Incredible dust lanes extend away from the nucleus following the inner edges of spiral arms. Many clusters of hot young blue stars can be identified along the arms as well.

This galaxy is definitely an individual with its flamboyant broad arms and pale blue colouring. As you look towards the core, many dark lines and features are visible. It’s amazing that even a modest instrument of 250mm can resolve structures within a galaxy some 60 million years distant. It has an apparent size of 6.6 X 5.5 arcmin, and a brightness of magnitude 10.3.
NGC 1672 is also classified as a Seyfert galaxy. They are a subset of galaxies with active nuclei. Accretion of matter onto supermassive black holes creates incredible energy outputs and can outshine their host galaxies at times.

This image was created using Lum, Red, Green, Blue, and Ha filters.

Instruments:
10 Inch RCOS fl 9.1
Astro Physics AP-900 Mount
SBIG STL 11000m
FLI Filter Wheel
Astrodon Lum, Red, Green, Blue Filters
Baader Planetarium H-alpha 7nm Narrowband-Filter

Exposure Details:
37 X 900 Bin 1X1 Lum
16 X 450 Bin 2X2 Red
16 X 450 Bin 2X2 Green
16 X 450 Bin 2X2 Blue
12 X 900 Bin 1X1 Ha

Total time: 18.25 hours

Location
Australia, Central Victoria

Comments

Author

trobison
Terry Robison
License: None (All rights reserved)
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            Terry Robison