Andromeda Galaxy

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mariosi
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Andromeda Galaxy

#1

Post by mariosi » Tue Oct 22, 2019 3:23 pm

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. Its name stems from the area of the sky in which it appears, the constellation of Andromeda.

Like the Milky Way, the Andromeda Galaxy has satellite galaxies, consisting of 14 known dwarf galaxies. The best known and most readily observed satellite galaxies are M32and M110. Based on current evidence, it appears that M32 underwent a close encounter with the Andromeda Galaxy in the past. M32 may once have been a larger galaxy that had its stellar disk removed by M31, and underwent a sharp increase of star formationin the core region, which lasted until the relatively recent past.

M110 also appears to be interacting with the Andromeda Galaxy, and astronomers have found in the halo of the latter a stream of metal-rich stars that appear to have been stripped from these satellite galaxies.M110 does contain a dusty lane, which may indicate recent or ongoing star formation.(Wikipedia)

Constellation Andromeda
Right ascension 00h 42m 44.3s
Declination +41° 16′ 9″

Characteristics
Type SA(s)b
Size ~220 kly (diameter)
Apparent size (V) 3.167° × 1°

DAY:Tuesday
Wednesday
DATE:21/11/17
22/11/17
TIME:23:00
SCOPE:Celestron Nextstar 130mm S.L.T. 650/f5
EYEPIECE:Explore Scientific 20mm F.O.V.68°
LOCATION: Mammari

Thanks for looking
Marios
Andromeda Galaxy .jpg
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#2

Post by Bigzmey » Tue Oct 22, 2019 6:25 pm

Looks great Marios!
Scopes: Stellarvue: SV102 ED F7; Celestron: 9.25" EdgeHD F10, 8" SCT F10, 6" SCT F10, Omni 150ST Achro F5, Onyx 80ED F6.3; Meade: 80ST Achro F5.
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Observing: DSOs: 1694 (Completed: M110, H1, H2. In progress: H3: 195, H2,500: 1272, S110: 77). Doubles: 1150, Comets: 14, Asteroids: 73
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#3

Post by Voyageur » Tue Oct 22, 2019 6:33 pm

Excellent sketch, Marios.Thank you for sharing it; I enjoyed seeing it.
Scopes: Vixen VMC200L, D=200mm, F=1950, f/9.75; Televue 2" Everbright diagonal. Coronado PST; AstroTech EDT 80mm, F=480, f/6.
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Binoculars: Leica 8x32 Trinovids, circa 1997; Orion Megaview 20x80, Orion Paragon Plus mount.
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#4

Post by 10538 » Wed Oct 23, 2019 12:36 am

Excellent work Marios! Thanks for sharing your nice M31!
Ed
Scopes: Orion XX14g 14” Dob w/MoonLite focuser. Meade LX200 Classic 10”w/AudioStar and MoonLite focuser, Criterion RV6, Orion ST80A w/2” GSO micro focuser. Eyepieces: ES 5.5mm 100*, 6.7mm 82*, 11mm 82*, 14mm 100*, 18mm 82*, 20mm 100*, Meade 9mm XWA 100*, 24mm UWA 82*, 56mm 50*, TV Delos 6 & 8mm, Panoptic 24, 27 & 35mm, 17mm Nagler, Powermate 2X, Baader 6mm Ortho, Paracorr II. MISC: Orion Skyview Pro Mount, Skymaster 15x70, 20x70, 25x100 Binos, HoTech Collimator, Kendrick Dew System, Orion G3, Telrads, Catsperch Obs. Chair.
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#5

Post by Don Quixote » Wed Oct 23, 2019 1:33 am

This is beautifully done Mariosi. The proportion and placement of M32 and M110 are very precise. The extension of the gauzy arms of Andromeda are also as looking through the tekescope.
Do you use any kind of grid work on your sketch work to help with placement and orientation? This is the difficulty I have when I attempt to sketch a starfield. I seem always to get things skewed.
SCOPES: ES127 f/7.5, ES80 f/6, SW100 f/9. Meade LXD75 8" Sct f/10, Meade 2120 10" Sct f/10, Bresser 152 f/6.5 Newt.
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#6

Post by mariosi » Wed Oct 23, 2019 7:11 pm

Bigzmey wrote:
Tue Oct 22, 2019 6:25 pm
Looks great Marios!
Voyageur wrote:
Tue Oct 22, 2019 6:33 pm
Excellent sketch, Marios.Thank you for sharing it; I enjoyed seeing it.
10538 wrote:
Wed Oct 23, 2019 12:36 am
Excellent work Marios! Thanks for sharing your nice M31!
Thank you all for the nice comments!
Don Quixote wrote:
Wed Oct 23, 2019 1:33 am
This is beautifully done Mariosi. The proportion and placement of M32 and M110 are very precise. The extension of the gauzy arms of Andromeda are also as looking through the tekescope.
Do you use any kind of grid work on your sketch work to help with placement and orientation? This is the difficulty I have when I attempt to sketch a starfield. I seem always to get things skewed.
Thank you for the nice comment. I don't use any kind of grid work on my sketches or geometrical instruments ... count with the eye.
for me the best teacher is night sky, just wants patience.

Marios
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#7

Post by AntennaGuy » Wed Oct 23, 2019 7:19 pm

Woah. I was confused when I saw the comments above referring to your "sketch." My first reaction was "but that's not a sketch, it's a photograph." Then I took a closer look. And then another look, and at your description of it, and then I realized that it really is a sketch! Impressive work indeed!
* Celestron C6 SCT on a Twilight 1 Alt-Az mount
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#8

Post by Thefatkitty » Thu Oct 24, 2019 12:51 am

Marios, that is really nice! I'm like AntennaGuy; I thought it was a photo as well, then I read the bit about your eyepiece :D

The horse sketch is just great as well!

All the best and thanks,
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#9

Post by Lady Fraktor » Thu Oct 24, 2019 5:53 am

Wonderful sketch Marios.
Proper Telescopes: Antares 105 f/15, Celestron 150 f/8, Stellarvue NHNGDX 80 f/6.9, TAL 100RS f/10, TS 102 f/11, UR 70 f/10, Vixen ED115s f/7.7
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#10

Post by helicon » Thu Oct 24, 2019 1:44 pm

Now that is a really cool sketch Marios which reflects exactly what one sees at the eyepiece. You have captured the subtle gradations of surface brightness between M32 and M110 very successfully, plus the dust lanes are rendered beautifully. I too was fooled into thinking it was a photograph!
-Michael
Various scopes, 10" Zhumell Dob, ES AR152, AWB 5.1" Onesky newt, Oberwerk 25x100 binos, two eyeballs
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