Cluster – Page 3 – AstroFotoBlog

M54 Globular Cluster

September 9, 2018 JakubK

Globular cluster

3 Comments

Messier 54 is a globular cluster located in constellation Sagittarius. It has been assumed that the cluster’s distance is 50’000 light-years. Recently (1994) it was discovered that this cluster doesn’t belong to Milky Way galaxy, but it’s a part of Dwarf elliptic galaxy in Sagittarius and it is approximately 86’400 light-year from Earth. This means M54 is first discovered globular cluster outside of our galaxy.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	25x120s, Gain 134, bin 1x1,
Date	2018-09-09

M107 Globular Cluster

September 7, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M107 Messier107 Milos Newton 150/600 Ophiuchus ZWO ASI071MC Pro

Messier107 is a globular cluster located in the constellation Ophiuchus. The cluster is very close to galactic disk of the Milky Way and 20’600 light-years far from Earth.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	18x180s, Gain 134, bin 1x1,
Date	2018-09-07

M17 Omega Nebula M18 Open Cluster

September 6, 2018 JakubK

H II nebula Open cluster

2 Comments

Cluster DSO Explore scientific coma corrector iOptron CEM25P M17 M18 Messier17 Messier18 Milos Newton 150/600 Omega nebula Open cluster ZWO ASI071MC Pro

Due to moderate focal length of my telescope (660 mm) I managed to capture two Messier’s object in one shot. Specifically it was Omega nebula M17 (on the right) and open cluster M18 (on the left). I already captured Omega nebula some time ago, but due to its very low declination, the picture was not that nice. I was really happy that I got the opportunity on island Milos to capture it again. The cluster M18 is approximately 4200 light-years away from Earth and it has diameter 17 light-years.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	37x180s, Gain 134, bin 1x1,
Date	2018-09-06

M80 Globular Cluster

September 6, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M80 Messier80 Milos Newton 150/600 Scorpius ZWO ASI071MC Pro

Messier80 is a globular cluster located in the constellation Scorpius. M80 is approximately 28’400 light-years far from Earth and it has several hundred thousand stars. M80 belongs to one the densest globular cluster and it’s characterized by frequent star collisions in the center.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	20x120s, Gain 134, bin 1x1,
Date	2018-09-06

M4 Globular cluster

September 5, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M4 Messier4 Milos Newton 150/600 ZWO ASI071MC Pro

Messier M4 is a globular cluster located in constellation Scorpius. It has approximately 100 000 stars and it’s roughly 7200 light-years away from us, which makes it one of the closest globular clusters to the Solar system. Hubble Space Telescope discovered many white dwarf stars, which are the oldest known stars in our galaxy, having an age of 13 billion years.

The picture was taken during my travels to Greek island Milos and it’s only integration of 24 of two minutes exposures. This means only 48 minutes in total.

Technical details:

Telescope:	Newton 150/600 mm
Aperture:	150 mm
Focal length:	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera:	ZWO 071 Pro @-10C
Corrector:	Explore Scientific HR coma corrector
Filters:	Astronomik L-1 - UV IR Block Filter
Exposure:8x	24x120s, Gain 134, bin 1x1,
Date:	2018-09-05

M24 Sagittarius Star Cloud

September 5, 2018 JakubK

Open cluster

3 Comments

Cluster DSO Explore scientific coma corrector iOptron CEM25P M24 Messier24 Milky Way Milos Newton 150/600 Open cluster Star cloud ZWO ASI071MC Pro

Messier 24, also called Small Sagittarius Star Cluster, is a giant cloud of stars and open star clusters. In fact, M24 is not gravitational bonded object, but it is only spiral arm of Milky Way galaxy. The light coming from the cloud is partially blocked by two prominent dark nebulae. The cloud is literally surrounded by Messier objects. In north-east direction can be located Omega Nebula M17 and open cluster M18, just 3° direction north open cluster M25 can be seen, 5° direction west open cluster M23, 6° south-west nebulae M20 Trifid and M8 Lagoon nebula.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	27x180s, Gain 134, bin 1x1,
Date	2018-09-05

M7 Ptolemy Cluster

September 4, 2018 JakubK

Open cluster

2 Comments

Cluster DSO Explore scientific coma corrector iOptron CEM25P M7 Messier7 Milos Open cluster ZWO ASI071MC Pro

Similar to M6, there is another bright open cluster in constellation Scorpius called Ptolemy Cluster or Messier 7. The cluster was discovered very long time ago (130 BC) by Greek astronomer Klaudios Ptolemaios. It belongs to one of the brightest and the biggest star clusters, which are visible by naked eye, but not from Central and Northern Europe. The open cluster M7 consists of several hundreds of blue stars and it’s approximately 1000 light-year away from Solar System. The background illuminates our home galaxy Milky Way.

To capture this cluster was quite tricky. First two attempts were interrupted by windy and cloudy weather. During the third one I managed to expose 17x 120s and 8x 180s, i.e. 58 minutest in total.

Technical details:

Telescope:	Newton 150/600 mm
Aperture:	150 mm
Focal length:	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera:	ZWO 071 Pro @-10C
Corrector:	Explore Scientific HR coma corrector
Filters:	Astronomik L-1 - UV IR Block Filter
Exposure	17x120s, 8x180s, Gain 134, bin 1x1,
Date:	2018-09-04

M22 Great Sagittarius Cluster

September 4, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Globular cluster iOptron CEM25P M22 Messier22 Milos Newton 150/600 ZWO ASI071MC Pro

This spectacular globular cluster is called Messier 22 or Great Sagittarius Cluster. It’s located, surprisingly, in constellation Sagittarius, close to Galactic Bulge, therefore the background is illuminated by many stars. Oh, and it’s so many of them. If you realize that each bright dot is a star and most probably not just a star, but whole solar system, it makes you think how big the universe is. The distance from Earth only 10’000 light-years, makes this cluster the closest one to us.

Due to its low declination, it’s quite difficult to photograph this cluster from Central Europe. Therefore I took the opportunity and captured M22 on Milos Island. The picture is an integration of only 94 minutes.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	47x120s, Gain 134, bin 1x1,
Date	2018-09-04

M30 Globular Cluster

September 3, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M30 Messier30 Milos ZWO ASI071MC Pro

Messier 30 is a globular cluster located in constellation Capricornus. Compared to recently captured globular clusters there are not so many stars in the background. M30 is about 27’100 light-years far from Earth, has 93 light-year in diameter and it contains approximately 150’000 stars.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	60x180s, Gain 134, bin 1x1,
Date	2018-09-03

M6 Butterfly cluster

September 3, 2018 JakubK

Open cluster

1 Comment

Butterfly cluster Cluster DSO Explore scientific coma corrector Greece M6 Messier6 Milos Newton 150/600 ZWO ASI071MC Pro

M6 is an open cluster located in constellation Scorpius. Visually it’s located not far from horizon, at least from Central Europe; therefore it’s hard to capture this deep space object. The observing/capturing conditions change significantly if you travel to Southern Europe. From there the cluster is visible by naked eye. The stars from similar shape to butterfly, therefore it got its name. On the bottom side of the cluster is nicely visible red giant (orange star) called BM Scorpii. The background illuminates the Milky Way.

The picture was taken during chasing darkness on Greek island Milos and in total was taken 30 pictures having exposure 180 seconds, i.e. total 90 minutes of integration.

Technical details:

Telescope:	Newton 150/600 mm
Aperture:	150 mm
Focal length:	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera:	ZWO 071 Pro @-10C
Corrector:	Explore Scientific HR coma corrector
Filters:	Astronomik L-1 - UV IR Block Filter
Exposure	30x180s, Gain 134, bin 1x1,
Date:	2018-09-03

M9 Globular Cluster

September 3, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M9 Messier9 Milos Newton 150/600 ZWO ASI071MC Pro

Messier 9 is a globular cluster located in constellation Ophiuchus. Particularly interesting is, that it’s surrounded by a dark cloud, which is called Barnard 64. Also interesting is the fact that this cluster is one of the nearest globular clusters to the center of our galaxy.

The picture was taken on island Milos by integration of 24 picture each 120s, which means only 48 minutes in total.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	24x120s, Gain 134, bin 1x1,
Date	2018-09-03

M75 Globular Cluster

September 3, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M75 Messier75 Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

Messier75 is a globular cluster located in the constellation Sagittarius. It is approximately 67’500 light-years away and is has diameter 134 light-years.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	660 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera	ZWO 071 Pro @-10C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	19x180s, Gain 134, bin 1x1,
Date	2018-09-03

M3 Globular cluster

June 10, 2018 JakubK

Globular cluster

0 Comment

Cluster DSO Explore scientific coma corrector Gemini gf53 Globular cluster M3 Messier3 MII G2 8300 Newton 254/1000

Finally there was a nice weather and no Moon. Summer nights are short; therefore it’s not optimal for deep space objects, which require very long integration time. Therefore I pointed my telescope this evening to globular cluster M3.

This cluster is located in constellation Canes Venatici and it’s one of the largest known clusters, because it contains around 500 000 stars.

Technical details:

Telescope:	Newton 254/1000 mm
Aperture:	254 mm
Focal length:	1000 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera:	Mii G2 8300
Corrector:	Explore scientific CC
Filters:	Baader LRGB
Exposure:	16xL 180s bin 1x1, 8xRGB 120s bin 2x2
Date:	2018-06-10

M14 Globular Cluster

June 10, 2018 JakubK

Globular cluster

0 Comment

Cluster DSO Explore scientific coma corrector Gemini gf53 Globular cluster M14 Messier14 MII G2 8300 Newton 254/1000 Ophiuchus

Messier 14 is a globular cluster located in constellation Ophiuchus. The cluster has diameter 100 light-years, contains several hundred thousand stars and it is approximately 30 thousand light-years far from us.

The picture is a stack of 20 luminance frames, each 3 minutes long and 6 RGB frames per channel.

Technical details:

Telescope:	Newton 254/1000 mm
Aperture:	254 mm
Focal length:	1000 mm
Mount	Gemini GF53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera:	Moravian instruments G2 8300M @-30C
Corrector:	Explore Scientific HR coma corrector
Filters:	Baader LRGB
Exposure:	20xL 180 s bin 1x1, 6RGB, 120s, bin 2x2
Date:	2018-0610

M67 Open cluster

March 21, 2018 JakubK

Open cluster

0 Comment

Cancer Cluster DSO Gemini gf53 GPU coma corrector M67 Messier67 Newton 254/1000 Open cluster ZWO ASI071MC Pro

Messier 67 is an open cluster located in constellation Cancer and it’s one of the oldest open cluster from Messier catalogue. Therefore it was examined by many scientific studies. The diameter of the cluster is approximately 20 light-years and it’s roughly 2700 light-years away from Earth.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1000 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-15°C
Corrector	GPU
Filters	IR UV cut
Exposure	25x180s, Gain 94, bin 1x1,
Date	2018-03-21

M50 Open cluster

March 21, 2018 JakubK

Open cluster

0 Comment

Cluster DSO Gemini gf53 M50 Messier50 Newton 254/1000 Open cluster ZWO ASI071MC Pro

M50 is an open cluster located in constellation Monoceros, visually not far from the brightest star Sirius. It was catalogued by Charles Messier in 1772 and it’s approximately 3000 light-years away from Earth. The latest research was conducted in 2012 and confirmed that the cluster contains 508 stars – you can try to count them.

Technical details

Telescope:	Newton 254/1000 mm
Aperture:	254 mm
Focal length:	1000 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera:	ZWO ASI071MC Pro
Corrector:	GPU
Filters:	UV IR cut
Exposure:	25xRGB
Date:	2018-03-21

M55 Globular cluster

October 29, 2017 JakubK

Globular cluster

2 Comments

Cluster Globular cluster iOptron CEM25P M55 Messier55 RC 6"ZWO ASI 1600MC

Messier55 is a globular cluster located in constellation Sagittarius. This cluster is very difficult to photograph from central Europe, because there is located not far from horizon. For example Charles Messier hat troubles to locate this cluster and it took him 14 years to spot it. I made a trip to Gavdos – the southernmost place is Europe. There the cluster was significantly upper in the sky.

M55 is 17600 light-year far from the Solar system, it has approximately 100 light-year diameter and contain 100 000 stars.

Techanical details

Telescope:	RC 154/1370
Aperture:	154 mm
Focal length:	917 mm
Mount	iOptron CEM25P
Autoguiding	QHYCCD miniGuideScope 130 mm f/4.3, ZWO 174 MM
Camera:	ZWO 1600 MC @ -15C
Corrector:	Astro Physics CCDT67
Filters:	UV, IR cut
Exposure:	37x 120s Gain 240
Date:	2017-09-29

M26 Open cluster

August 30, 2017 JakubK

Open cluster

0 Comment

Cluster DSO M26 Messier26 Open cluster

Recently I purchased new travel telescope, the mount and the camera and I decided to make small comparison with my primary equipment. New equipment consist of iOptron CEM25P mount, which is very portable equatorial mount and small (6”) Ritchey–Chrétien telescope. Even the camera is new. ZWO 1600 MC has only 400 grams compared to the old Mii G2, which has 2.5 kg. The reason is that ZWO is color version without filter wheel, therefore narrow band imaging is not possible, but I will use this camera mainly under the darks skies. Detailed review of the portable setup will follow.

Back to the picture, I pointed the telescopes into the constellation Scutum and captured open cluster M26. This cluster is approximately 180 million years old and the light travelled 5400 years from there into my telescopes. The cluster is located in the plane of our home galaxy Milky Way; therefore there are so many stars in the background.

The upper picture was made by my primary setup – Gemini G35f, astrograph Newtonian 254/1000 with GPU coma corrector and MII G2 8300 camera. The lower picture is the outcome of the new setup: iOptron CEM25P, 154/1370 mm RC telescope with focal reducer Astro Physics CCDT67 and ZWO 1600 MC camera.

Technical details

Telescope:	Newton 254/1000 mm RC 154/1370
Aperture:	254 mm 154 mm
Focal length:	1000 mm 917 mm
Mount	Gemini G53f iOptron CEM25P
Autoguiding	TS 60 mm, FL240 mm, ZWO 174 MM
Camera:	Moravian instruments G2 8300M @-30C ZWO 1600 MC @ -15C
Corrector:	GPU Astro Physics CCDT67
Filters:	Baader RGB
Exposure:	10xL 180s bin 1x1, 8xRGB 120s bin2x2 28x 120s Gain 300
Date:	2017-08-30

NGC6604 Open cluster

July 18, 2017 JakubK

H II nebula Open cluster

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Cluster DSO Narrow band Nebulosity NGC6604 Open cluster

NGC6604 is an open cluster associated with nebulosity. It is located not far from my favorite Eagle nebula in constellation Serpens and it’s 5500 light-years far from the Earth. Since this deep space object is not that high on the skies, I rather used narrow band filters, because this part of the skies is strongly influenced by the light pollution, which is coming from the nearest town. First picture is processed in “fake” Hubble color palette, the second one should more or less look like in “true” color.

M48 Open Cluster

March 29, 2017 JakubK

Open cluster

1 Comment

Cluster DSO M48 Messier48 Open cluster

M48 is an open cluster discovered by Charles Messier in 1771. The cluster is located in constellation Hydra and it’s 1500 light-years far from the Earth. This cluster can be observed even by small binocular, but small telescope reveals more than 50 stars. During waiting for Sombrero galaxy I pointed my telescope just below bright star Procyon and collected some light coming from this cluster.

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