Explore scientific coma corrector – Page 3

M28 Globular Cluster

September 10, 2018 JakubK

Globular cluster

1 Comment

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

M33 Triangulum galaxy

September 10, 2018 JakubK

Galaxy

1 Comment

DSO Explore scientific coma corrector Galaxy iOptron CEM25P M33 Messier33 Milos Triangulum galaxy ZWO ASI071MC Pro

This is third galaxy captured on Milos. First I was not able to resist and captured Andromeda, second one was Barnard’s galaxy and third one is this one M33 galaxy in constellation Triangulum or simply Triangulum galaxy. Andromeda galaxy (biggest), Milky Way (second biggest) and Triangulum (third biggest) form local group of galaxies. M33 has diameter approximately 60 thousand light-year, which makes it half size of the Milky Way and the light from there has been traveling roughly 3 million 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	43x180s, Gain 134, bin 1x1,
Date	2018-09-10

M62 Globular Cluster

September 10, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M62 Messier62 Milos Newton 150/600 Ophiuchus ZWO ASI071MC Pro

Messier 62 is a globular cluster located in constellation Ophiuchus and it’s 22’500 light-years from Earth. Globular clusters are the most common deep space objects captured by me on Milos Island.

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	2018-09-10

NGC7000 North America Nebula

September 9, 2018 JakubK

H II nebula

1 Comment

Cygnus DSO Explore scientific coma corrector iOptron CEM25P Milos Newton 150/600 NGC7000 North America Nebula ZWO ASI071MC Pro

North America nebula, also called NGC 7000, is a giant cloud of ionize hydrogen gas – HII region, located in constellation Cygnus. The shape reminds contour of the North America continent, specifically the eastern cost between Golf of Mexico and Florida. Visually, the nebula is big and it didn’t fit in my telescope/camera field of view. NGC 7000 together with Pelican nebula create a nebulae pair, which is approximately 2000 light-years from Earth.

The picture demonstrates how low light pollution on Milos Island is. The picture is an integration of only 27 pictures, exposure 3 minute each, i.e. 81 minutes in total. It’s impressive – no narrow band filters were used.

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	2018-09-09

M19 Globular Cluster

September 9, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M19 Messier19 Milos Newton 150/600 ZWO ASI071MC Pro

Messier 19 is a globular cluster located in constellation Ophiuchus and it is approximately 29000 light-years far from Earth. This cluster is particularly interesting by its oval shape and most probably it’s the most oval globular cluster in our galaxy. The cluster, just like M9, is quite close to the galactic center.

The picture, like many others, was taken on island Milos, under dark Greek skies and it’s an integration of 58 minutes of the exposure.

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	29x120s, Gain 134, bin 1x1,
Date	2018-09-09

M56 Globular Cluster

September 9, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P Lyra M56 Messier56 Milos Newton 150/600 ZWO ASI071MC Pro

Messier 56 is a globular cluster located in constellation Lyra. M56 is one of less bright globular cluster, because its distance from Earth is 30’700 light-years.

This is the third (M54 and M55) globular cluster captured in single night and the picture is an integration of 63 frames, each 3 minutes long, i.e. 189 minutes total 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	63x180s, Gain 134, bin 1x1,
Date	2018-09-09

M55 Globular Cluster

September 9, 2018 JakubK

Globular cluster

1 Comment

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M55 Messier55 Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

Messier 55 is a globular cluster located in constellation Sagittarius. M55 is one of the closest globular cluster, having distance from the Solar System only 17’600 light-years, compared to M54, which is one of the furthest globular clusters (86’400 light-year). I managed to capture these two clusters during single night.

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	37x120s, Gain 134, bin 1x1,
Date	2018-09-09

M54 Globular Cluster

September 9, 2018 JakubK

Globular cluster

3 Comments

Cluster DSO Explore scientific coma corrector Globular cluster iOptron CEM25P M54 Messier54 Milos Newton 150/600 Sagittarius ZWO ASI071MC Pro

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

NGC7293 Helix Nebula

September 7, 2018 JakubK

Planetary nebula

1 Comment

DSO Explore scientific coma corrector Helix nebula iOptron CEM25P Milos Nebula Newton 150/600 NGC7293 Planetary nebula ZWO ASI071MC Pro

NGC 7293, sometimes called Helix Nebula, is the closest planetary nebula (only 700 light-years away), which can be located in constellation Aquarius. Last year I captured this nebula on Gavdos. This year on Milos I was equipped by different telescope and different camera, so I gave it a try again.

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	40x300s, Gain 134, bin 1x1,
Date	2018-09-07

NGC6822 Barnard’s Galaxy

September 7, 2018 JakubK

Galaxy

1 Comment

Barnard's Galaxy DSO Explore scientific coma corrector Galaxy iOptron CEM25P Milos Newton 150/600 NGC6822 Sagittarius ZWO ASI071MC Pro

NGC6822 is a galaxy located in the constellation Sagittarius and it is 1.6 million light-years from Earth. This galaxy belongs to a local group of galaxies with Andromeda, Triangulum Galaxy, and Milky Way. This galaxy is quite famous because Edwin Hubble discovered several variable stars in this galaxy. These variable stars can be used for the determination of the distance from Earth. Barnard’s Galaxy was the first galaxy to accurately determine distance.

Barnard’s Galaxy is a very dim deep space object; therefore I dedicated quite a long integration time to it (180 minutes) and I chose a long exposure time for each frame (300 seconds). Several nebulae are visible in the picture. These are the red spots located on the left side of the galaxy. Bubble Nebula and Ring Nebula are giant HII regions, where new stars are born.

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	36x300s, Gain 134, bin 1x1,
Date	2018-09-07

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

IC1396 Elephant’s Trunk nebula

September 6, 2018 JakubK

H II nebula

1 Comment

Cepheus Elephant trunk nebula Explore scientific coma corrector IC1396 iOptron CEM25P Milos Nebula Newton 150/600 ZWO ASI071MC Pro

IC 1396 is a mixture of ionized interstellar gas and dust cloud located in the constellation Cepheus, approximately 2’400 light-years from earth. Due to relative proximity of the nebula, it didn’t fit into the field of view of my telescope/camera. My previous picture, which I captured by the same telescope, was created by using focal reducer and therefore nearly fit into the field of view of even smaller CCD chip. However, under dark skies of Milos, there is no need to use narrow band filters and very nice dark nebulae are nicely visible.

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	53x180s, Gain 134, bin 1x1,
Date	2018-09-06

NGC 6888 Crescent Nebula

September 6, 2018 JakubK

H II nebula

1 Comment

Crescent nebula Cygnus DSO Explore scientific coma corrector H II nebula iOptron CEM25P Milky Way Milos Nebula Newton 150/600 NGC6888 ZWO ASI071MC Pro

Crescent Nebula, also known as NGC 6888, is a HII region, hot ionized hydrogen gas cloud. The nebula got the shape by high speed stellar wind of Wolf-Rayet star, which is colliding with slow moving mass, ejected by this star during transformation into a red giant. The nebula is approximately 5000 light-years away from us and it can be located in constellation Cygnus.

The picture is the last one from 6.9.2018. In the evening I captured Omega nebula, M80. As a last deep space object I pointed on Crescent Nebula, started auto guiding and went to sleep. Therefore the picture is a stack of 64 pictures; each has 3 minutes of exposure time, thus total integration time 192 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	64x180s, Gain 134, bin 1x1,
Date	2018-09-06

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

IC 1318 Butterfly Nebula, Barnard 347

September 5, 2018 JakubK

Dark Nebula H II nebula

1 Comment

B347 Barnard347 Butterfly nebula DSO Explore scientific coma corrector IC1318 iOptron CEM25P Milos Nebula Newton 150/600 ZWO ASI071MC Pro

IC 1318 is an emission nebula, sometimes called Sadr region, located in constellation Cygnus, surrounding bright star Sadr. The star Sadr didn’t fit into the field view of my telescope/camera, but left the trace in form of diffraction spike at the top of the picture. The nebula contains many dark nebulae and the biggest in the middle of the picture is called Barnard 347.

The picture is another demonstration of dark skies of Milos and it is an integration of 77 pictures, each 3 minutes exposure, which means nearly 4 hours of integration 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	77x180s, Gain 134, bin 1x1,
Date	2018-09-05

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

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