M53 - Revisited (Kurt Zeppetello)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: 42 alf Com · Diadem · M 53 · NGC 4978 · NGC 5024 · NGC 5053 · The star αCom

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M53 - Revisited

Link: https://astroquest1.blogspot.com/

Powered byPixInsight

M53 - Revisited

Link: https://astroquest1.blogspot.com/

I wanted image something other than a galaxy so I decided to re-image M53 since it was over two years since I last captured this object. I took about 55 exposures on May 1 thinking it was clear, however, there was lots of moisture in the air and there were very thin high clouds. I processed the the data anyway and produced an image that was a bit better than the one I did two years ago but I knew I could do better. M53 is a globular cluster located 60,000 light-years in the Coma Berenices constellation. It interesting in that it is metal-poor compared to other clusters. Also interesting, there seems to be a tidal connection between M53 and its diffuse neighbor, NCG 5053, which is in the lower left of my image (source: wikipedia).

My processing has improved significantly since then as well as my capture regime. I choose to keep it wide field as I liked the background which I did not darken as much as I normally would. Also, I again used APT for camera control. The newest thing I did was controlling my mount with Stellarium. This was really cool and much simpler than I imagined. I did not think I would like controlling my mount with Stellarium as much as I do but it is a big time savor for me especially since I have to change the orientation of my telescope in order to open and close the roof of my astronomy shed.

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Status	Advanced success
Started	...
Astrometry.net job	2056735
PixInsight job	RELRRSW5339GGAFLPGFRVDPLSG1MNQY6
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	13h12m56s.32
RA (top/left)	13h18m24s.13
RA (top/right)	13h08m03s.20
RA (bottom/right)	13h07m31s.14
RA (bottom/left)	13h17m46s.52

Dec (center)	+18°11′38″.5
Dec (top/left)	+18°54′07″.5
Dec (top/right)	+19°06′30″.1
Dec (bottom/right)	+17°28′34″.7
Dec (bottom/left)	+17°16′19″.1

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M53 - Revisited

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M53 - Revisited

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