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Andromeda Galaxy

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6 years 4 months ago - 6 years 4 months ago #106830 by mariosi
Andromeda Galaxy was created by mariosi
The Andromeda galaxy,
known as Messier 31, M31, or NGC 224, is a spiral galaxy approximately 780 kiloparsecs (2.5 million light-years) from Earth, and the nearest major galaxy to the Milky Way.[4] Its name stems from the area of the sky in which it appears, the constellation of Andromeda.
(Wikipedia)

Constellation Andromeda
Right ascension 00h 42m 44.3s
Declination +41° 16′ 9″
Redshift z = −0.001001
(minus sign
indicates blueshift)[1]
Helio radial velocity −301 ± 1 km/s
Distance 2.54 ± 0.11 Mly
(778 ± 33 kpc)
Apparent magnitude (V) 3.44
Absolute magnitude (V) −21.5
Characteristics
Type SA(s)b
Mass ~1.5×1012[9] M☉
Number of stars ~1 trillion (1012)
Size ~220 kly (diameter)
Apparent size (V) 3.167° × 1°

Tuesday - Wednesday 21-22/11/17 23:00 local time
Celestron Nextstar 130mm S.L.T. 650/f5
Explore Scientific 20mm F.O.V.68°

Thanks for looking
Marios

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Last edit: 6 years 4 months ago by mariosi.
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6 years 4 months ago #106831 by jeyjey
Replied by jeyjey on topic Andromeda Galaxy
Lovely sketch, Marios!

Nikon 18x70s / UA Millennium                              Colorado:
Solarscope SF70 / TV Pronto / AP400QMD             Coronado SolarMax40 DS / Bogen 055+3130
APM MC1610 / Tak FC-125 / AP1200GTO               Tak Mewlon 250 / AP600EGTO
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6 years 4 months ago #106832 by flt158
Replied by flt158 on topic Andromeda Galaxy
I see you have included M32 and M110, Marios.
Your sketch is as good as a basic image.
This truly is one of your best ever!

You might consider having a go at NGC 7662 -the Blue Snowball Nebula.
Some of us on Ireland have been observing it lately at powers up to 280X.

Thank you from Aubrey.
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