M35 "The Shoe Buckle Cluster" and NGC-2158 (Steve Argereow)

Celestial hemisphere: Northern · Constellation: Gemini (Gem) · Contains: 5 Gem · M 35 · NGC 2158 · NGC 2168 · The star 5Gem

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M35 "The Shoe Buckle Cluster" and NGC-2158

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M35 "The Shoe Buckle Cluster" and NGC-2158

M35 is a fantastic open cluster located in the constellation of Gemini. At magnitude +5.2, it's visible to the naked eye under good conditions. Curiously, despite being a naked eye object, it wasn't discovered until 1745-46 by Philippe Loys de Chéseaux and then independently "re-discovered" by John Bevis sometime before 1750. Since the cluster is reasonably close at 2,800 light-years it presents a large apparent diameter of some 28 arc minutes - almost exactly the same as that of the full Moon.

NGC 2158 is an open cluster in the constellation of Gemini. It is located southwest of open cluster M35, and is believed to be about 2 billion years old. The two clusters are unrelated, as NGC 2158 is around 9,000 light years further away than M35.

Information Credits: Wikipedia

Telescope: Explorer Scientific 127mm CF APO Refractor f/7.5 (952mm Focal Length)
Explore Scientific X0.7 Reducer f/5.25 (667mm Focal Length)
Mount IOptron CEM40
Camera ZWOASI6200MC-Pro Temp -10C, Binning 1 x 1, Gain 100 Offset 50
ZWO EFW

64 X 180 Second Exposures W/Optolong L-Extreme Filter
30 Dark Frames
Total Integration Time: 2 Hours 12 Minutes
Acquisition with SharpCap
Stacked with Astro Pixel Processor
Guiding PHD2
Processed with Astra Image
Photo taken from Seven Lakes, NC Bortle 4.5

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Status	Advanced success
Started	...
Astrometry.net job	5602420
PixInsight job	FIC9ES7Z3G6RHXNPYCQJ9OJ9F04T29G2
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	06h09m14s.100
RA (top/left)	06h06m42s.58
RA (top/right)	06h11m26s.64
RA (bottom/right)	06h11m48s.51
RA (bottom/left)	06h07m02s.68

Dec (center)	+24°19′14″.3
Dec (top/left)	+23°58′01″.4
Dec (top/right)	+23°51′41″.7
Dec (bottom/right)	+24°40′19″.6
Dec (bottom/left)	+24°46′40″.8

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M35 "The Shoe Buckle Cluster" and NGC-2158

M35 "The Shoe Buckle Cluster" and NGC-2158

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M35 "The Shoe Buckle Cluster" and NGC-2158

M35 "The Shoe Buckle Cluster" and NGC-2158

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