Newton 150/600 – Page 2

M83 Southern Pinwheel Galaxy

April 25, 2019 JakubK

Galaxy

1 Comment

Messier 83 is a spiral galaxy located in constellation Hydra. It is one of the brightest and closest (15 million light-years) galaxies observable from Earth. On the other hand there are much brighter and closer galaxies, for example Andromeda is only 2.5 million light-years away and M33 Triangulum Galaxy is roughly 3 million light-years away.

Due to the fact that the M83 has very low southern declination (rises not far from horizon), thus it is very difficult to capture from light polluted Central Europe, I decided to take a trip to south. Specifically to La Palma (Canary Islands) and tried to photograph it from there. I had only one clear night out of ten, but together with M68 was this galaxy my primary target and I somehow managed. My plan was to capture more deep space objects, but the weather didn’t allow me.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	87x300s, Gain 94, bin 1x1,
Date	2019-04-25

M61 Galaxy

April 14, 2019 JakubK

Galaxy

0 Comment

Astronomik L-1 UV IR Block Filter Avalon M-Zero DSO Explore scientific coma corrector Galaxy M61 Messier61 Newton 150/600 ZWO ASI071MC Pro

Spring offers the best conditions for photographing/observing of the galaxies. This is caused by the fact that the constellations Virgo, Leo and Coma Berenices are visible and there are galaxies anywhere you look. This year, I already captured M58 M88 M89 M90 M91 Galaxies, but there are still some galaxies missing, in order to finish Messier catalogue. One of them was M61 (upper left corner). This spiral galaxy is located in constellation Virgo, it has about the same size as our home galaxy Milky Way and it is approximately 52 light-year away from Earth.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-15°C
Corrector	Explore Scientific HR
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	74x180s, Gain 94, bin 1x1,
Date	2019-04-06

M88 M91 Galaxies

March 30, 2019 JakubK

Galaxy

0 Comment

Avalon M-Zero DSO Explore scientific coma corrector Galaxies M88 M91 Messier88 Messier91 Newton 150/600 ZWO ASI071MC Pro

Messier 88 (right) and Messier 91 are the spiral galaxies located between constellations Coma Berenices and Virgo. Both belong to the Virgo Cluster of galaxies and both are approximately 60 light-years away from Earth. The small galaxy at the very left is called NGC 4571.

Technical data:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-15°C
Corrector	Explore Scientific HR
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	47x300s, Gain 94, bin 1x1,
Date	2019-03-30

NGC 2237 Rosette Nebula

March 30, 2019 JakubK

H II nebula

1 Comment

Astronomik L-1 UV IR Block Filter Avalon M-Zero DSO Explore scientific coma corrector HII region Monoceros Nebula Newton 150/600 NGC2237 Rosette nebula ZWO ASI071MC Pro

Rosette Nebula is a giant cloud of hydrogen gas. The gas is ionized by the star cluster located in the middle and therefore emits the light. Circular shape and the color correspond to the name – the rose. The cluster in the middle can be observed even by using small telescope, but the nebulosity is very dim, therefore in order to see it, one would need perfectly dark sky and very large telescope with low magnification. It’s definitely easier to photograph the nebulosity. My previous photo was done through the narrow band filters, which suppress the light pollution and increases the contrast of the picture. Now I tried it with normal one shot color camera and I must conclude that it went quite well.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	16x300s, Gain 94, bin 1x1,
Date	2019-03-30

M58 M89 M90 Galaxies

March 29, 2019 JakubK

Galaxy

0 Comment

Avalon M-Zero Hutech IDAS LPS-D2 M58 M89 M90 Messier58 Messier89 Messier90 Newton 150/600 ZWO ASI071MC Pro

The spring has arrived and there are many galaxies, which yet has to be captured by me, in order to finish the Messier catalogue. This night I managed to capture tree of them in one shot. Messier 58 (upper left side) is a barred spiral galaxy, which is approximately 68 million light-years from Earth. This makes it the furthest object from Messier catalogue. Messier 89 (bottom middle) is only 50 million light-years from us and Messier 90 (right) is approximately 59 million light-years away.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-20°C
Corrector	Explore Scientific HR
Filters	Hutech IDAS LPS-D2
Exposure	90x180s, Gain 94, bin 1x1,
Date	2019-03-29

M93 Open Cluster

March 27, 2019 JakubK

Open cluster

0 Comment

Avalon M-Zero Cluster DSO Explore scientific coma corrector Hutech IDAS LPS-D2 M93 Messier93 Newton 150/600 Open cluster ZWO ASI071MC Pro

Messier 93 is an open cluster located in constellation Puppis and it is about 3400 light-year away from Earth. The cluster is one of those deep space objects, which I cannot see from my home, therefore I had to pack the gear and enjoy starry night outside. Compared to my previous attempt, I took the laser collimator with me and waited sufficiently long the temper the telescope. Well I was surprised that the stars are slightly oval and there is blue halo on one side and red one on the other side of nearly each star. I was speculating if there is something wrong with the optics, but then I realized that this object has very low declination (it’s not far from horizon), therefore it’s exposed to atmosphere refraction/dispersion. This means that the light must pass through the thick layer of an air. In this case the atmosphere works as a lens and bends red and blue light differently. The effect is described here or here.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-20°C
Corrector	Explore Scientific HR
Filters	Hutech IDAS LPS-D2
Exposure	30x60s, Gain 136, bin 1x1,
Date	2019-03-27

M41 Open Cluster

February 12, 2019 JakubK

Open cluster

1 Comment

Avalon M-Zero Cluster DSO Explore scientific coma corrector Hutech IDAS LPS-D2 M41 Messier41 Newton 150/600 Open cluster Travel ZWO ASI071MC Pro

In order to complete the Messier Catalogue and capture all of its deep space objects, I have to pack the telescope, mount, camera, cables and batteries and set it up somewhere in the nature with better view. Most of the objects I am able to capture from home, but some of them have very low declination (not far above the horizon) and I cannot see them from my terrace, because there is a hill direction south.

Messier 41, open cluster in constellation Canis Major is one of them. So, I packed my car and went to collect some photons. At least I got the opportunity to test my new mount Avalon M-Zero, which replaced my previous portable mount iOptron CEM25P. The old portable mount was working well, but due to conventional equatorial design, one needs a counterweight, which was in this case 5 kg. This means 1/3 of the total weight. M-Zero is basically single fork mount, which utilizes the weight of the motors and housing as a counterweight. Moreover, M-Zero uses belts and pulleys, which means zero backlash. I can confirm – it works very well. I can save few kgs in my case during my next travel expedition.

The night was cold and since I don’t do the astrophotography in the nature frequently, I faced some issues. First, the portable telescope lost the collimation and I didn’t have the laser collimator with me. Second, I started to photograph before the telescope reached the thermal equilibrium, therefore there was a focus drift. This is definitely not my best picture, but I can at least check another Messier object from the list.

Technical details

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, Guidescope 30 mm
Camera	ZWO 071 Pro @-20°C
Corrector	Explore Scientific HR
Filters	Hutech IDAS LPS-D2
Exposure	39x60s, Gain 136, bin 1x1,
Date	2019-02-12

M46 M47 Open Clusters

January 30, 2019 JakubK

Open cluster

0 Comment

Avalon M-Zero Cluster Clusters DSO Explore scientific coma corrector M46 M47 Messier46 Messier47 Newton 150/600 Open clusters Puppis ZWO ASI071MC Pro

Messier 46 (left) and Messier 47 are open clusters located in constellation Puppis. Visually, these clusters are quite close to each other and both fit in the field of view of my smallest telescope. Visual distance is not the real distance, because M46 in approximately 5000 light-years away and M47 is much closer, only 1600 light-years away.

M46 contains roughly 500 members and small planetary nebula called NGC2438 can be found there.

The picture is a stack of 22 pictures, 2 minutes exposure each, which means 44 minutes in total. Unfortunately, my telescope was not properly collimated, therefore the stars are elongated in the upper left corner. Well, I must say that this was the first and the last night in January without clouds, therefore I did not get the chance to recapture this deep space object.

Technical details:

Telescope	Newton 150/600 mm
Aperture	150 mm
Focal length	630 mm
Mount	Avalon M-Zero
Autoguiding	ZWO 174MM, OAG
Camera	ZWO 071 Pro @-20°C
Corrector	Explore Scientific HR
Filters	Hutech IDAS LPS-D2
Exposure	22x120s, Gain 94, bin 1x1,
Date	2019-01-30

Chasing darkness in Schwarzwald

October 16, 2018 JakubK

Travel

0 Comment

Black Forest Explore scientific coma corrector iOptron CEM25P Milky Way Newton 150/600 Olympus PEN-F Schwarzwald Star trails Travel ZWO ASI071MC Pro

My second expedition after the dark skies (this year) led us to Germany, specifically to Black Forest (Schwarzwald) in the state of Baden-Württemberg. We rented a small cabin for a weekend and I took the same equipment which I took to Milos, i.e. telescope newton 150/600 mm, mount iOptron CEM25P and ZWO 071 Pro camera.

As soon got dark, the Milky Way showed up. I measured SQM and it reached 21.1, which is not spectacular, but far better compared what I have at home.

The equipment was working perfectly, but the dew started to form on the secondary mirror, because the cabin is close to river Breg, which means a lot of humidity. I never had dew problems with Newtonian telescope up to now. Lessons learned – I need a dew shield. I managed to capture only M74 Galaxy and M78 Nebula.

Anyway, I also managed to capture wide angle photos with my Pen-F and Fish eye lens.

Here are the star trails – exposure 30x30s:

And here is the Milky Way – exposure 1x30s ISO 3200 f1.8:

M74 Phantom Galaxy

October 12, 2018 JakubK

Galaxy

0 Comment

Black Forest DSO Explore scientific coma corrector Galaxy iOptron CEM25P M74 Messier74 Newton 150/600 Schwarzwald ZWO ASI071MC Pro

Messier 74, sometimes called Phantom Galaxy, is a galaxy located in the constellation Pisces. This galaxy has two prominent spiral arms and it is a typical example of a spiral galaxy. The distance of 35 million light-years from Earth has been estimated, therefore what we are looking at here is a 35 million year old picture.

The photo was taken in Schwarzwald under decent dark skies and it’s an integration of 45 photos, each 3 minutes exposure, i.e. more than 2 hours of exposure time 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	45x180s, Gain 94, bin 1×1,
Date	2018-10-12

NGC6871 Open Cluster

September 15, 2018 JakubK

Open cluster

1 Comment

Cluster Cygnus DSO Explore scientific coma corrector iOptron CEM25P Milky Way Milos Newton 150/600 NGC6871 Open cluster ZWO ASI071MC Pro

NGC6871 is an open cluster located in Cygnus, has less than 50 stars and it is 5135 light-years from Earth. Constellation Cygnus is visually located on the galactic disk of the Milky Way; therefore there are many stars in the background. Particularly interesting are the dark nebulae, surrounding the cluster.

Picture was taken under dark skies of Milos Island and in total, it’s an integration of on 63 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	21x180s, Gain 134, bin 1x1,
Date	2018-09-15

M70 Globular cluster

September 15, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M70 Messier70 Milky Way Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

Messier70 is a globular cluster located in constellation Sagittarius. The cluster is at a distance approximately 29’300 light-years from the Solar System. Neighbor cluster M69 was captured during the same night.

M70 is the 15^th globular cluster captured by me on Milos Island – mission accomplished.

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	37x60s, Gain 134, bin 1x1,
Date	2018-09-15

M69 Globular Cluster

September 15, 2018 JakubK

Globular cluster

2 Comments

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M69 Messier69 Milky Way Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

Messier69 is a globular cluster located in constellation Sagittarius. It is approximately 29’700 light-years away from Earth. Together with Messier70 are close to galactic center of Milky Way (distance between them is 1’800 light-years) and there were two last deep space objects captured on Milos Island. These two were the last missing Messier objects, which I wanted to capture and I was very happy that I managed.

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	37x60s, Gain 134, bin 1x1,
Date	2018-09-15

M45 Pleiades

September 15, 2018 JakubK

Open cluster

1 Comment

DSO Explore scientific coma corrector iOptron CEM25P M45 Messier45 Milos Newton 150/600 Pleiades Seven sisters Subaru ZWO ASI071MC Pro

Messier 45, sometimes called Seven Sisters, Pleiades, or Subaru, is an open cluster located in the constellation Taurus. The cluster contains many hot blue stars and it’s characterized by reflection nebulosity. The cluster is easily visible to the naked eye and therefore it has been used in the mythology of many cultures around the world.

The picture was created by stacking 80 pictures with a total integration time of 4 hours. In order to capture the nebulosity properly, the light pollution should be minimal, which I manage to experience during our trip to Milos Island. Unfortunately, the mount was not cooperating and in the declination axis occurred oscillations due to backlash. Therefore the stars are a bit oval. Maybe it’s time to upgrade the mount and pick something backlash-free. I would select something portable like Astrotrac 360 or Avalon Instruments M-Zero.

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 1×1,
Date	2018-09-15

IC5146 Cocoon Nebula

September 13, 2018 JakubK

Dark Nebula H II nebula

1 Comment

Barnard 168 Barnard168 Cocoon Nebula Cygnus DSO Explore scientific coma corrector IC5146 iOptron CEM25P Milos Nebula Newton 150/600 ZWO ASI071MC Pro

IC5146, sometimes called Cocoon Nebula, is an emissive nebula located in constellation Cygnus. Central star in the nebula is responsible for the excitation of the surrounding hydrogen gas. On the picture is also captured dark nebula Barnard 168, which creates the strip and it looks like the Cocoon Nebula has a tail.

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	43x300s, Gain 134, bin 1x1,
Date	2018-09-13

M23 Open Cluster

September 13, 2018 JakubK

Open cluster

2 Comments

Cluster DSO Explore scientific coma corrector iOptron CEM25P M23 Messier23 Milky Way Milos Newton 150/600 Open cluster ZWO ASI071MC Pro

Messier 23 is an open cluster located in constellation Sagittarius not far from the star Polis (µ Sgr). Visually it’s surrounded in rich star field, because in this direction are located star clouds of Milky Way. The cluster contains approximately 150 confirmed members and it’s about 2000 light-years away from the Solar System.

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	23x120s, Gain 134, bin 1x1,
Date	2018-09-13

M20 Trifid Nebula M21 Open Cluster

September 13, 2018 JakubK

H II nebula Open cluster

2 Comments

DSO Explore scientific coma corrector iOptron CEM25P M20 M21 Messier20 Messier21 Milos Newton 150/600 Trifid nebula ZWO ASI071MC Pro

Messier 20 (called Trifid Nebula) has been captured by me already on Gavdos. This year I had a telescope with shorter focal length, therefore I managed to capture two objects of Messier’s catalogue on one shot. Specifically it’s mentioned Trifid Nebula and M21 Open Cluster (down left from the nebula). The nebula has been already described in my previous post and it’s located not far from M8 Lagoon nebula. The cluster M21 contains approximately 60 stars and it’s characterized by quite dense core, where the distance between neighboring stars is only one light-year.

The picture was taken under dark skies of Milos Island and it’s an integration of only 54 minutes of exposure time.

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	2018-09-13

NGC6946 Fireworks Galaxy, NGC6939 Ghost Bush Cluster

September 10, 2018 JakubK

Galaxy

0 Comment

Cepheus Cluster Cygnus DSO Explore scientific coma corrector Fireworks Galaxy Galaxy Ghost Bush Cluster iOptron CEM25P Milos Newton 150/600 NGC6939 NGC6946 Open cluster ZWO ASI071MC Pro

NGC 6946, sometimes called Fireworks Galaxy, is a beautiful spiral galaxy located between constellations Cepheus and Cygnus. It is approximately 22.5 million light-years away from Earth and it’s a part of Virgo Supercluster of galaxies. The name didn’t get from the shape, but due to frequent explosions of supernovae.

Next to the galaxy is located NGC6939 Ghost Bush Cluster, which is a part of our own Galaxy, therefore the distance from earth is “only” 4000 light-years.

The picture is the last one from the day. I slewed to target, switched on auto guiding and went to sleep. Therefore the picture is an integration of 73 photos, each 5 minutes long, i.e. 6 hours of total time. This is probably the picture with the longest integration time from Milos.

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	73x300s, Gain 134, bin 1x1,
Date	2018-09-10

M28 Globular Cluster

September 10, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M28 Messier28 Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

Messier 28 is a globular cluster located in constellation Sagittarius. Center of Milky Way takes care about the background, which is filled by many stars. The cluster is 17900 light-year away from the Solar system and it has diameter approximately 60 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	25x120s, Gain 134, bin 1x1,
Date	2018-09-10

M25 Open Cluster

September 10, 2018 JakubK

Open cluster

2 Comments

Cluster DSO Explore scientific coma corrector iOptron CEM25P M25 Messier25 Milky Way Milos Newton 150/600 Open cluster ZWO ASI071MC Pro

Messier 25 is an open cluster in constellation Sagittarius. It’s approximately 2000 light-years from Earth and it contains 50 brighter star and probably few tens of dimmer stars. The background in illuminated by many stars, because this cluster is located in direction of the galactic center of the Milky Way.

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	21x180s, Gain 134, bin 1x1,
Date	2018-09-10

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