Gemini gf53 – Page 2 – AstroFotoBlog

M40 Double Star

June 1, 2019 JakubK

Asterism

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Messier 40 is a double star located in constellation Ursa Major (in the middle of the picture). Charles Messier was searching for the nebula in this part of the sky, which was observed by Johannes Hevelius. He was unable to locate any nebulous object, but he found this double star and catalogued them under the number 40. Double star should be a system of two stars, which are bonded by the gravity, but the latest measurements demonstrated that these two stars are close to each other only visually and they are completely unrelated.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1060 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	40x120s, Gain 94, bin 1x1,
Date	2019-06-01

M101 Pinwheel Galaxy

June 1, 2019 JakubK

Galaxy

2 Comments

Astronomik L-1 UV IR Block Filter Explore scientific coma corrector Galaxy Gemini gf53 M101 Messier101 Pinwheel Pinwheel Galaxy Ursa Major ZWO ASI071MC Pro

Messier 101 is a beautiful spiral galaxy, which can be located in the constellation Ursa Major. If I look back to my older picture, I must admit, it is worth spending a long time and dedicating some capture time for the hydrogen alpha channel.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1060 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	31x300s, Gain 94, bin 1x1,
Date	2019-06-01

M102 Spindle Galaxy

May 24, 2019 JakubK

Galaxy

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Astronomik L-1 UV IR Block Filter Draco DSO Galaxy Gemini gf53 Lenticular galaxy M102 Messier102 Newton 254/1000 Spindle Galaxy ZWO ASI071MC Pro

Galactic season continues. After capturing M64 galaxy, I pointed my telescope to another one. Specifically to Messier 102 called Spindle Galaxy, which is a lenticular galaxy in constellation Draco. Afterwards I went to sleep and the telescope was collecting the photons coming from there. The light had to travel very long distance, because this galaxy is approximately 40 million light-years from Earth.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1060 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	55x180s, Gain 94, bin 1x1,
Date	2019-05-24

M64 Black Eye Galaxy

May 23, 2019 JakubK

Galaxy

1 Comment

Astronomik L-1 UV IR Block Filter Black Eye Galaxy Coma Berenices DSO Evil Eye Galaxy Explore scientific coma corrector Galaxy Gemini gf53 M64 Messier64 Newton 254/1000 ZWO ASI071MC Pro

Messier 64 is a galaxy, which can be located in constellation Coma Berenices. The name “Black Eye” or sometimes “Evil Eye” got from the central dark cloud, which blocks partially the light coming from there. This galaxy is relatively close to us – only 17 million light-year, which is significantly less compared to visually neighboring galaxies in constellation Virgo.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1060 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	24x180s, Gain 94, bin 1x1,
Date	2019-05-23

M53 Globular Cluster

May 13, 2019 JakubK

Globular cluster

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Astronomik L-1 UV IR Block Filter Cluster Coma Berenices DSO Explore scientific coma corrector Gemini gf53 Globular cluster M53 Messier53 Newton 254/1000 ZWO ASI071MC Pro

Messier 53 is a globular cluster located in constellation Coma Berenices. This cluster is quite far from galactic center of the Milky Way (60 000 light-year), which makes it to be located on the outer edge of our galaxy. However, it heading towards the center with speed approximately 63 km/s. The cluster contains 500 000 stars, but this cannot be verified by the photo I took, because it is 58 000 light-year from Earth and my telescope has very small aperture to resolve this kind of details.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	1060 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-10°C
Corrector	Explore Scientific HR coma corrector
Filters	Astronomik L-1 - UV IR Block Filter
Exposure	45x300s, Gain 94, bin 1x1,
Date	2019-05-13

M76 Little Dumbbell Nebula

February 14, 2019 JakubK

Planetary nebula

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DSO Explore scientific coma corrector Gemini gf53 Hutech IDAS LPS-D2 Little Dumbbell Nebula M76 Messier76 Nebula Newton 254/1000 Perseus Planetary nebula ZWO ASI071MC Pro

Messier 76 is one out of four planetary nebulae in Messier catalogue. It is one of the dimmest objects in this catalogue. The nebula is located in constellation Perseus and it is 2500 light-years away from Earth. M76 was discovered by Pierre Méchain in 1780 and in the same year was catalogued by Charles Messier.

The picture is a stack of 58 pictures, each 180s, which means nearly 3 hours of the integration time. However, the conditions were far from optimal, because the Moon was in first quarter and illuminating the skies.

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 @-20°C
Corrector	Explore Scientific HR coma corrector
Filters	Hutech IDAS LPS-D2
Exposure	58x180s, Gain 94, bin 1x1,
Date	2019-02-14

M37 Open Cluster

February 8, 2019 JakubK

Open cluster

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Auriga Cluster DSO Explore scientific coma corrector Gemini gf53 Hutech IDAS LPS-D2 M37 Messier37 Newton 254/1000 Open cluster ZWO ASI071MC Pro

Messier 37 is the largest and the brightest open cluster in constellation Auriga. Visually, it has two deep space neighboring open clusters M36 and M38. The cluster was discovered by Giovani Battista Hodierna in 1654 and catalogued by Charles Messier in 1764. The cluster contains a lot of red giant stars and it is approximately 4500 light-year away from Earth.

This is the second deep space object, which I captured in a single night. The clouds rolled in, therefore I was able to capture only 30 pictures, 60 second each.

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 @-20°C
Corrector	Explore Scientific HR coma corrector
Filters	Hutech IDAS LPS-D2
Exposure	30x60s, Gain 94, bin 1x1,
Date	2019-02-08

M36 Open Cluster

February 8, 2019 JakubK

Open cluster

0 Comment

Auriga Cluster DSO Explore scientific coma corrector Gemini gf53 Hutech IDAS LPS-D2 M36 Messier36 Newton 254/1000 Open cluster ZWO ASI071MC Pro

Messier 36 is an open cluster located in constellation Auriga, not far from the bright star Capella. The cluster is approximately 4000 light-years from Earth and it has diameter 14 light-years. There are another two open clusters in the vicinity. Specifically it is M38 (north-west) and M37 (south-east).

The picture is a stack of 50 images, each has 60 s exposure time, which means less than hour of the integration time. Another Messier object was captures. I hope, I will finish the whole Messier catalogue this year.

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 @-20°C
Corrector	Explore Scientific HR coma corrector
Filters	Hutech IDAS LPS-D2
Exposure	50x60s, Gain 94, bin 1x1,
Date	2019-02-08

M78 Nebula

December 13, 2018 JakubK

Reflection nebula

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DSO Gemini gf53 Hutech IDAS LPS-D2 M78 Messier78 Nebula Newton 254/1000 Orion Reflection nebula TS MaxField coma corrector ZWO ASI071MC Pro

Messier 78 is a reflection nebula located in constellation Orion, visually not far from stars Alnitak Alnilam and Mintaka, which form the Orion’s belt. This nebula is one of the brightest reflection nebulas on the sky, due to reflection of the light coming from two bright stars called HD38563A and HD38563B.

My previous attempt to capture this nebula during my expedition to Schwarzwald was not that successful, due to the due problems, therefore I dedicated nearly 3 hours to this DSO. However, it looks like the picture would need longer integration time.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	50x180s, Gain 94, bin 1x1,
Date	2018-12-13

M77 Galaxy

December 13, 2018 JakubK

Galaxy

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Cetus DSO Galaxy Gemini gf53 Hutech IDAS LPS-D2 M77 Messier77 Newton 254/1000 Spiral galaxy TS MaxField coma corrector ZWO ASI071MC Pro

Messier 77 is a spiral galaxy located in constellation Cetus and it is approximately 47 million light-year away from Earth. Due to its diameter 170 light-year, this galaxy is one of the biggest objects of Messier Catalogue.

The galaxy in the bottom right corner is called NGC 1055, which together with M77 creates binary system.

The picture is a stack of 20 pictures, each 3 minutes long, i.e. only one hour of integration time. This is obviously not enough for such deep space object, but I wanted to capture another DSO this night. Moreover, I was not able to wait till 1 o’clock, when the street lamps are switched off, because at this time, this galaxy was nearly reaching the horizon.

Now it’s time to slew to M78 Nebula.

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 @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	20x180s, Gain 94, bin 1x1,
Date	2018-12-13

M103 Open Cluster

December 13, 2018 JakubK

Open cluster

0 Comment

Cassiopeia Cluster DSO Gemini gf53 Hutech IDAS LPS-D2 M103 Messier103 Newton 254/1000 Open cluster TS MaxField coma corrector ZWO ASI071MC Pro

Messier 103 is an open cluster located in constellation Cassiopeia. With its distance 8500 light-year from Earth, this cluster is one of the most distant clusters from Messier’s catalogue.

The picture is a stack of 56 pictures, each 2 minutes long, i.e. nearly two hours of integration time. December is a month, which is rich with deep space objects, but it’s also rich with clouds. In whole December I got only single opportunity to take my telescope outside, therefore this is not the only deep space object, which I captured this night.

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 @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	56x120s, Gain 94, bin 1x1,
Date	2018-12-13

M35 Shoe-Buckle Cluster

November 18, 2018 JakubK

Open cluster

2 Comments

Cluster DSO Gemini Gemini gf53 Hutech IDAS LPS-D2 M35 MaxField coma corrector Messier35 Newton 254/1000 NGC2158 Open cluster ZWO ASI071MC Pro

Messier 35 an open cluster located in constellation Gemini. The cluster is approximately 2800 light-year far from Earth and it contains roughly 200 stars.

Second open cluster NGC 2158 is located in the background (upper right part of the picture). I didn’t know that there is another cluster in field of view. If I would know it, I would change the composition of the picture.

This cluster was the last one out of four captured during single night. In the early morning I slewed to M35 and went to sleep. The camera captured 56 exposures, 3 minutes each, before the dawn arrived. This means nearly 3 hours of total exposure time.

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 @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	56x180s, Gain 94, bin 1x1,
Date	2018-11-18

M38 Open Cluster

November 18, 2018 JakubK

Open cluster

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Auriga Cluster DSO Gemini gf53 Hutech IDAS LPS-D2 M38 MaxField coma corrector Messier38 Newton 254/1000 Open cluster ZWO ASI071MC Pro

Messier 38 is an open cluster located in constellation Auriga. It has diameter 25 light-years and it’s approximately 3500 light-year away from Earth.

I managed to capture two open clusters this night already (M39 and M34) and there is still one to go (M35). Therefore I didn’t dedicate a lot of time on M38 – this means that the picture is an integration of one hour of exposure time.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	20x180s, Gain 94, bin 1x1,
Date	2018-11-18

M34 Open Cluster

November 18, 2018 JakubK

Open cluster

0 Comment

Cluster DSO Gemini gf53 M34 MaxField coma corrector Messier34 Newton 254/1000 Open cluster Perseus ZWO ASI071MC Pro

After capturing M39 I slewed the telescope to another deep space object. Specifically to an open cluster Messier 39. This cluster is located in constellation Perseus and it is approximately 1400 light-years away from Earth and it has diameter roughly 24 light-years.

The picture is a stack of 72 two minute subframes, which means 144 minutes of total integration time.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	72x120s, Gain 94, bin 1x1,
Date	2018-11-18

M39 Open cluster

November 18, 2018 JakubK

Open cluster

0 Comment

Cluster Cygnus DSO Gemini gf53 M39 Messier39 Newton 254/1000 Open cluster TS MaxField coma corrector ZWO ASI071MC Pro

Messier 39 is an open cluster located in constellation Cygnus and it’s only 825 light-year away from Eartch. The cluster is visually located on the galactic plane of the Milky Way, therefore there are so many stars in the background.

I already captured M39 two years ago, but with different camera and different coma corrector. This time I used slightly bigger sensor and brand new corrector TS MaxField. This corrector should reduce the focal length by 5% and also due to the larger sensor I got bigger field of view compared to my previous picture. However, the corrector is not capable of eliminate the coma fully and in the corners are the stars elongated. I spent some time by adjusting the tilt, but this obviously didn’t solve the problem. This means that the only corrector which is capable of eliminating the comatic aberration fully is Explore Scientific HR CC.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-20°C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	58x180s, Gain 94, bin 1x1,
Date	2018-11-18

Here is the analysis of the curvature by CCD Inspector. I already adjusted the tilt by integrated push-pull screws on ASI071, but there is still some room for improvements.

M2 Globular Cluster

October 4, 2018 JakubK

Globular cluster

0 Comment

Cluster DSO Gemini gf53 Globular cluster Hutech IDAS LPS-D2 M2 MaxField coma corrector Messier2 Newton 254/1000 ZWO ASI071MC Pro

Messier 2 is a globular cluster located in constellation Aquarius and it’s approximately 37’000 light-year away from Earth. It’s one of the biggest known globular cluster, because it contains approximately 150 000 stars and it has 175 light-years in diameter. After Crab Nebula M1, this cluster is the second object of Messier’s catalogue of deep space objects.

This picture was the second captured object (after M71) during one night and it’s an integration of 3 hours of exposure.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-15C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	60x180s, Gain 94, bin 1x1,
Date	2018-10-04

M71 Globular cluster

October 4, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Gemini gf53 Globular cluster Hutech IDAS LPS-D2 M71 MaxField coma corrector Messier71 Newton 254/1000 ZWO ASI071MC Pro

Messier 71 is a globular cluster located in constellation Sagitta. The cluster is located approximately 12 – 13 thousand light-years from earth. The classification of M71 as a globular cluster was questionable for a long time, because it lacks central star concentration and therefore it was considered as an open cluster. The diameter of this cluster is only 27 light-years, which is very low value for globular cluster.

Well I am back in light pollute sub-urban area. I can use bigger and heavier telescope, but I am missing dark skies of Milos. The picture is an integration of 38 pictures, with exposure time 3 minutes. Total exposure time was approximately 2 hours.

I managed to test new TS-Optics 2″ 3-element MaxField Newtonian Coma Corrector, which should be 2” version of Wynne corrector. It should have significant advantage compared all 2” coma correctors on the market: it reduces focal length by 5%, should correct full frame CCD (we will see about that) and it should have very low vignetting. I will have to extend my World Wide Coma Correction exercise.

Technical details:

Telescope	Newton 254/1000 mm
Aperture	254 mm
Focal length	950 mm
Mount	Gemini G53f
Autoguiding	ZWO 174MM, TS 60/240 mm
Camera	ZWO 071 Pro @-15C
Corrector	TS-Optics 2" 3-element MaxField
Filters	Hutech IDAS LPS-D2
Exposure	38x180s, Gain 94, bin 1x1,
Date	2018-10-04

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

M59 and M60 Galaxies

April 21, 2018 JakubK

Galaxy

0 Comment

Galaxies Galaxy Gemini gf53 GPU coma corrector M59 M60 Messier59 Messier60 Newton 254/1000 NGC4606 NGC4607 NGC4637 NGC4638 Virgo Virgo cluster ZWO ASI071MC Pro

Galactic season continues. This night I managed to capture many galaxies in one shot. Specifically, it’s Messier 59 Galaxy, located in the center, Messier 60 Galaxy at the top, two visually smaller galaxies – NGC 4606 and NGC 4607, located at the bottom right and NGC 4637, NGC 4638, located in the center left of the picture. All these galaxies are located in constellation Virgo and they are member of Virgo galactic cluster.

The picture is a stack of 54 pictures, each 5 minutes exposure time, i.e. 4.5 hours of total integration time.

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	54x300s, Gain 94, bin 1x1,
Date	2018-04-21

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