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Contains:  NGC 5033
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Technical card

Dates:Jan. 14, 2019Jan. 21, 2019Feb. 19, 2019Feb. 28, 2019March 1, 2019March 3, 2019March 4, 2019March 5, 2019

Astronomik Deep-Sky B 1.25": 25x240" -20C bin 1x1
Astronomik Deep-Sky G 1.25": 25x240" -20C bin 1x1
Astronomik Deep-Sky R 1.25": 25x240" -20C bin 1x1
Astronomik H-alpha 6nm CCD 1.25": 128x240" (gain: 139.00) -20C bin 1x1
Astronomik L-3 UV-IR Block 1.25": 225x180" -20C bin 1x1

Integration: 24.8 hours

Darks: ~50

Flats: ~50

Bias: ~256

Avg. Moon age: 21.13 days

Avg. Moon phase: 39.89%

Bortle Dark-Sky Scale: 5.00

Basic astrometry details job: 2640537

RA center: 13h 13' 27"

DEC center: +36° 35' 42"

Pixel scale: 1.162 arcsec/pixel

Orientation: 270.876 degrees

Field radius: 0.279 degrees

Resolution: 1080x1350

Data source: Backyard


This galaxy likes somewhere around 50 million light years away in the constellation of Canes Venatici (Hunting Dogs). This delicate spiral shows some warpage if the outer arms and that hints at a merger or interaction with another galaxy at some point.

This galaxy is also known to be a Seyfert-type which means it harbors a very active supermassive black hole at the core. Remember that pic you couldn’t get enough of this this week!!?! Just like that. In fact, science has revealed it to be offset from the rotational center of the galaxy which is further supporting evidence of a past interaction. Being offset, the black hole remains well-fed and is one of the reasons it is so active (and massive).

This image ended up being presented at about half the capture scale and with a significant crop due to an offensive star. The color data just needed a bit more time. Perhaps a revision will come to address that and expand the FOV a bit.




Jason Guenzel

Sky plot

Sky plot


NGC5033 - A Warped Spiral, 


            Jason Guenzel