Search found 110 matches

by astrosirius
Sun Oct 01, 2017 6:17 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 September
Replies: 130
Views: 76181

Re: Submissions: 2017 September

THE CORE OF THE M31 ANDROMEDA GALAXY Based on its appearance in visible light, the Andromeda Galaxy is classified as an SA(s)b galaxy in the de Vaucouleurs–Sandage extended classification system of spiral galaxies. However, data from the 2MASS survey showed that Andromeda is actually a barred spira...
by astrosirius
Thu Jun 01, 2017 9:33 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 June
Replies: 131
Views: 68243

Re: Submissions: 2017 June

The essense of the Milky Way
http://astrophotographysirius.com/
Copyright: Lluís Romero Ventura
by astrosirius
Fri May 26, 2017 4:23 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 May
Replies: 124
Views: 75035

Re: Submissions: 2017 May

M92 GLOBULAR CLUSTER M92 is one of the brighter globular clusters in the northern hemisphere, but it is often overlooked by amateur astronomers because of its proximity to the even more spectacular Messier 13. It is visible to the naked eye under very good conditions. According to newer sources, M9...
by astrosirius
Sun May 14, 2017 10:00 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 May
Replies: 124
Views: 75035

Re: Submissions: 2017 May

SPIRAL GALAXY M106 M106 also known as NGC4258 Is a galaxy in the constellation Canes Venatici. It is about 25 million light years away, and approximately 130,000 light years across. The unusual central glow makes M106 one of the closest examples of the Seyfert class of galaxies where vast amounts o...
by astrosirius
Sat Apr 29, 2017 5:09 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 April
Replies: 130
Views: 75411

Re: Submissions: 2017 April

CAPTURING THE GREAT ORION NEBULA - MOVIE MOSAIC - [/size] The Movie of how three astrphotographers and good friends created the Mosaic in High Resolution https://www.youtube.com/watch?v=xgYbuTw75RU https://youtu.be/xgYbuTw75RU The final result Mosaic: https://c1.staticflickr.com/5/4158/33484056624_...
by astrosirius
Fri Apr 28, 2017 8:07 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Found images: 2017 April
Replies: 48
Views: 9438

Re: Found images: 2017 April

THE GREAT ORION NEBULA IN HIGH RESOLUTION BY THREE TELESCOPES AMATEURS This image is the result of the efforts of three astrophotographers, Miguel Angel García Borrella, Antonio Pérez Ambite y Luis Romero Ventura, that using different equipment from their observatories located hundreds of kilometre...
by astrosirius
Thu Mar 02, 2017 10:06 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 March
Replies: 143
Views: 77668

Re: Submissions: 2017 March

M94 Espiral Galaxy & the Outer Ring Messier 94 (also known as NGC 4736) is a spiral galaxy in the constellation Canes Venatici. It was discovered by Pierre Méchain in 1781, and catalogued by Charles Messier two days later. Although some references describe M94 as a barred spiral galaxy, the &qu...
by astrosirius
Thu Jan 12, 2017 2:07 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 January
Replies: 193
Views: 81608

Re: Submissions: 2017 January

M45 Pleiades or Seven Sister In astronomy, the Pleiades or Seven Sisters (Messier 45 or M45), is an open star cluster containing middle-aged, hot B-type stars located in the constellation of Taurus. It is among the nearest star clusters to Earth and is the cluster most obvious to the naked eye in t...
by astrosirius
Tue Jan 10, 2017 10:35 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2017 January
Replies: 193
Views: 81608

Re: Submissions: 2017 January

M45 Pleiades Star Cluster - Merope Nebula & IC 349 (Barnard's Merope Nebula) IC 349 (Barnard's Merope Nebula) is a small, bright extension of the Merope Nebula (NGC 1435) in the Pleiades star cluster. IC 349 lies 36 arc-seconds (corresponding to a linear distance of about 0.06 light-year or 3,5...
by astrosirius
Sat Dec 24, 2016 12:02 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 December
Replies: 164
Views: 67677

Re: Submissions: 2016 December

NGC7635 the Bubble Nebula NGC 7635, also called the Bubble Nebula, Sharpless 162, or Caldwell 11, is a H II region emission nebula in the constellation Cassiopeia. It lies close to the direction of the open cluster Messier 52. The "bubble" is created by the stellar wind from a massive hot...
by astrosirius
Sun Nov 06, 2016 4:20 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 November
Replies: 183
Views: 76244

Re: Submissions: 2016 November

M33 The Triangulum Galaxy The Triangulum Galaxy (also known as M33) that is about 3 million light-years away from Earth. Under exceptionally good viewing conditions with no light pollution, the Triangulum Galaxy can be seen with the naked eye. It is one of the most distant permanent objects that ca...
by astrosirius
Sun Oct 23, 2016 9:59 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 October
Replies: 174
Views: 60529

Re: Submissions: 2016 October

M31, Andromeda Galaxy Detail of the core of the Galaxy. M31 is nearly twice the size of our Milky Way at 200,000 light years in diameter. However, with an estimated mass of 300 to 400 billion suns, it is not as dense as our galaxy. It has an apparent diameter of 3 degrees...6 times the width of the...
by astrosirius
Thu Oct 13, 2016 9:06 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 October
Replies: 174
Views: 60529

Re: Submissions: 2016 October

NGC 7023 Iris Nebula NGC 7023 is a reflection nebula, known by name as Iris Nebula. These clouds of interstellar dust and gas are located at a distance of 1,300 years light from us, located in the constellation of Cepheus. Inside the nebula, the nebular dusty material surrounds a hot young star nam...
by astrosirius
Wed Sep 07, 2016 7:34 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 September
Replies: 198
Views: 114328

Re: Submissions: 2016 September

NGC 7331 and Beyond NGC 7331 (also known as Caldwell 30) is a spiral galaxy about 40 million light-years (12 Mpc) away in the constellation Pegasus. It was discovered by William Herschel in 1784.NGC 7331 is the brightest member of the NGC 7331 Group of galaxies. The galaxy is similar in size and st...
by astrosirius
Thu Aug 18, 2016 8:15 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 August
Replies: 245
Views: 97706

Re: Submissions: 2016 August

The Cygnus's Wall -- North America Nebula The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb. Cygnus's Wall is a term for the "Mexico and Central America part" of the North America Nebula. The Cygnus Wall exhibits the most ...
by astrosirius
Sun Jun 19, 2016 6:15 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 June
Replies: 122
Views: 49043

Re: Submissions: 2016 June

Herbig Haro HH 555 IC 5070 Pelican Nebulae HH 555 is the clearest example of a Herbig-Haro object in the Pelican Nebula. In this image detail you can easily see the jet shooting out of the tip of the pillar indicating the presence of an unseen protostar. Moreover there are more irradiated Jets and ...
by astrosirius
Thu Jun 02, 2016 11:18 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 May
Replies: 173
Views: 311636

Re: Submissions: 2016 May

M13 The Great Globular Cluster in Hercules M13 is about 145 light-years in diameter, and it is composed of several hundred thousand stars, the brightest of which is a red giant, the variable star V11, with an apparent visual magnitude of 11.95. M13 is 25,100 light-years away from Earth. Place: Àger-...
by astrosirius
Mon May 16, 2016 3:48 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 May
Replies: 173
Views: 311636

Re: Submissions: 2016 May

M51 whirlpool galaxy (Remote control from China - Teamviewer) This photo of the M51 have been done during my trip to China, during almost one month I could get enough photons to capture this amazing couple of galaxies. Since I have my own observatory with a remote control I have more time and chanc...
by astrosirius
Wed Mar 16, 2016 9:55 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2016 March
Replies: 146
Views: 53340

Re: Submissions: 2016 March

NGC 4889 (also known as Caldwell 35, Coma Berenices) is a class-4 supergiant elliptical galaxy. At the core of the galaxy is a supermassive black hole that heats up the intracluster medium through the action of friction from infalling gases and dust. The X-ray emission from the galaxy extends out t...
by astrosirius
Tue Dec 15, 2015 11:11 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 December
Replies: 176
Views: 94220

Re: Submissions: 2015 December

The Village Colors The humidity is well known per the astrophotographers, because is one of our worst enemies, but in this case the light pollution of the small village combined with the high humidity and the low temperatures has done possible to see this curious effect of lighting columns in the a...
by astrosirius
Thu Nov 19, 2015 10:36 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 November
Replies: 182
Views: 58484

Re: Submissions: 2015 November

ANDROMEDA GALAXY M31 M31 plays an important role in galactic studies, as it is the nearest major galaxy (although not the nearest galaxy). In 1943 Walter Baade was the first person to resolve stars in the central region of the Andromeda Galaxy. https://farm6.staticflickr.com/5738/22720223668_12950f...
by astrosirius
Thu Nov 12, 2015 12:50 pm
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 November
Replies: 182
Views: 58484

Re: Submissions: 2015 November

The well known Supermassive black hole at the heart of the Andromeda Galaxy, M31 Mount: ASA DDM85 Telescope: GSO RC10" Truss CCD: Moravian G2-8300 Exposure: L 36x300 sec -20ºC M_31_Black_Hole.gif Best regards, Lluis Romero https://www.flickr.com/photos/llromero/ http://www.astrosirius.org/
by astrosirius
Mon Aug 17, 2015 9:47 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 August
Replies: 228
Views: 91045

Re: Submissions: 2015 August

Among Oaks

Place: from 3 Km from the Berga City, Barcelona Province.
Exposure: 1 x 20 sec, f/2.8 at ISO 3200
Best Regards
Lluis Romero
https://www.flickr.com/photos/llromero/
http://www.astrosirius.org/
by astrosirius
Mon Aug 17, 2015 9:42 am
Forum: The Observation Deck: Latest Sky Photography
Topic: Submissions: 2015 August
Replies: 228
Views: 91045

Re: Submissions: 2015 August

The Triangulum Galaxy Messier 33 Mount: Lomsandy G11 Gemini II (Ovision+Dec) Telescope: Takahashi Epsilon 180ED f/2.8 Camera: Canon 5D MarkII mod. Exposure: 35x300sec ISO 800 Guided: MiniTelescope Orion 50 + QHY5 Filter: Without Software: APT Astrophotografy Tools + Pixinsight 1.8 https://farm1.sta...