Messier 103

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mariosi Cyprus
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Messier 103

#1

Post by mariosi »


Messier 103
(also known as M103, or NGC 581) is an open cluster where a few thousand stars formed in the constellation Cassiopeia. This open cluster was discovered in 1781 by Charles Messier's friend and collaborator Pierre Méchain.It is one of the most distant open clusters known, with distances of 8,000 to 9,500 light-years from the earth and ranging about 15 light-years apart. There are about 40 member stars within M103,two of which have magnitudes 10.5, and a 10.8 red giant, which is the brightest within the cluster. Observation of M103 is generally dominated by the appearance of Struve 131,though the star is not a member of the 172-star cluster.M103 is about 25 million years old. (Wikipedia)

Rightascension 01h 33.2m
Declination +60° 42′
Distance10 thousand light-years 3 kpc
Apparent magnitude (V)7.4
Apparent dimensions (V)6.0'

DATE: Friday DATE: 30/9/16 TIME: 00:10
SCOPE: Dob 10px Sky- Watcher F.L.1200/f4.7
EYEPIECE: Excplore Scientific 20mm F.O.V.68°
LOCATION: Mammari

Thanks for looking
Marios
Messier 103.jpg
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Peter802
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Re: Messier 103

#2

Post by Peter802 »


I like it Marios.
A nice a wide angle image.
Thank your for sharing.
Clear Skies.
Regards,

Peter
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mariosi Cyprus
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Re: Messier 103

#3

Post by mariosi »


Thank you Peter!

Marios
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bladekeeper
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Re: Messier 103

#4

Post by bladekeeper »


Nice again, Marios! :)
Bryan
Scopes: Apertura AD12 f/5; Celestron C6-R f/8; ES AR127 f/6.4; Stellarvue SV102T f/7; iOptron MC90 f/13.3; Orion ST80A f/5; ES ED80 f/6; Celestron Premium 80 f/11.4; Celestron C80 f/11.4; Unitron Model 142 f/16; Meade NG60 f/10
Mounts: Celestron AVX; Bresser EXOS-2; ES Twilight I; ES Twilight II; iOptron Cube-G; AZ3/wood tripod; Vixen Polaris
Binoculars: Pentax PCF WP II 10×50, Bresser Corvette 10×50, Bresser Hunter 16×50 and 8×40, Garrett Gemini 12×60 LW, Gordon 10×50, Apogee 20×100

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mariosi Cyprus
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Re: Messier 103

#5

Post by mariosi »


Thank you Bryan.

Marios
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