12"Newton 下的深空美图

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Astrophotography by Bernhard Hubl

                               
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Object data of M101
Object type:		galaxy (SBc)
Size:		28'
Magnitude:		8.2 mag
Constellation:		UMa
Distance:		22 Mio Ly
Notes:		The alternate name of the big face on galaxy M101 in constellation UMa is 'Pinwheel Galaxy', because of it's grand spiral arms. M101 is a huge galaxy with a visible diameter of 170,000 light years. Many HII regions are visible along the spiral arms.
Exposure data
Date:		2009-05-27 + 2009-06-13+17
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 27x12m / R 11x8m / G 11x8m / B 11x8m
Exposure time total:		9h 48m

                               
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Object data of NGC1931
Object type:		open cluster + emission nebula
Size:		8'
Magnitude:		10.1 mag
Constellation:		Aur
Distance:		10,000 Lj
Notes:		NGC1931 is a bright emission nebula, including also a nice reflection component. It is situated between M36 and IC417, as can be seen clearly in the DSLR widefield image.
Exposure data
Date:		2010-03-07+08+18+19
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 16x12m / R 6x8m / G 6x8m / B 6x8m
Exposure time total:		5h 36m
Notes:		bad transparency during luminance exposures, bad seeing during RGB exposures

                               
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Object type:		galaxy (Sc)
Size:		11.8' x 1.3'
Magnitude:		11.1 mag
Constellation:		Dra
Distance:		33 Mio Ly
Notes:		Because NGC5907 is seen almost exactly edge-on and because it appears extremely elongated, shaped like a "knife edge" or a splinter, it's popular name is "splinter galaxy". The above image shows a very faint tidal tail (better visible in the inverted image), which forms a loop extending more than 150,000 light-years from the narrow, edge-on spiral galaxy. This loop represents the ghostly trail of a dwarf galaxy, which merged with NGC5907 over four billion years ago.KUG1513+566 is a dwarf companion galaxy of NGC5907 (clearly visible on the right side above the splinter galaxy). This galaxy is responsible for the warped disk of NGC5907, which can be better seen in the inverted image.Near the bottom side of the above image one can identify two distant galaxy clusters: NSC J151718+560754 at z=0.10 (light travel time = 1.3 billion years) NSC J151551+560911 at z=0.27 (light travel time = 3.0 billion years) A further extremely distant galaxy cluster can be found near the left side of the above image: WHL J151732.0+562357 at z=0.45 (light travel time =4.6 billion years)
Exposure data
Date:		2010-06-04 + 05 + 06 + 09 + 14
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 34x12m / R 14x8m / G 14x8m / B 14x8m
Exposure time total:		12h 24m

                               
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Object data of Holmberg124
	Object type:	group of 4 interacting galaxies (NGC2805, NGC2814, NGC2820 and IC2458)
	Size:	NGC2805: 6.3 x 4.8'
	Magnitude:	NGC2805: 11.5 mag
	Constellation:	UMa
	Distance:	80 Mio Ly
	Notes:

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Exposure data
	Date:	2008-04-07 + 10 + 26 + 27
	Location:	Nussbach / Austria (400m)
	Telescope:	12" Newtonian telescope (f=1139mm)
	Camera:	ST2000XM with CFW8 and SBIG Filters
	Binning:	L 1x1 / RGB 2x2
	Exposure time:	L 27x12m / R 9x12m / G 9x6m / B 9x6m
	Exposure time total:	9h 00m
	Notes:	probably faint galactic cirrus in top right corner

                               
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Object data of Holmberg II
Object type:		galaxy (dwrf Ir)
Size:		9.3' x 6.6'
Magnitude:		11.3 mag
Constellation:		UMa
Distance:		8 Mio Ly
Notes:		Holmberg II (=UGC4305) is an irregular dwarf galaxy, which is a member of the M81 group of galaxies. It shows several bright HII regions and many blue stellar complexes, which are a sign of star forming. The object identification image shows the very distant galaxy cluster J0819+7054 near the top border of the image. The light of this galaxy cluster needs 2.6 billion years to reach earth.
Exposure data
Date:		2008-03-06 + 28 + 30  +  2008-04-05
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1139mm)
Camera:		ST2000XM with CFW8 and SBIG Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 23x12m / R 8x12m / G 8x6m / B 8x6m
Exposure time total:		7h 48m
Notes:		First Deep Light of 12" Newtonian telescope

                               
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Object data of NGC3718
	Object type:	galaxy (SBa/P)
	Size:	8.2 x 3.5'
	Magnitude:	11.6 mag
	Constellation:	UMa
	Distance:	52 Mio Ly
	Notes:	= Arp214; interacting pair with NGC3729

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Exposure data
	Date:	2008-05-01 + 07 + 08
	Location:	Nussbach / Austria (400m)
	Telescope:	12" Newtonian telescope (f=1139mm)
	Camera:	ST2000XM with CFW8 and SBIG Filters
	Binning:	L 1x1 / RGB 2x2
	Exposure time:	L 27x12m / R 11x12m / G 11x6m / B 12x6m
	Exposure time total:	9h 54m
	Notes:	Hickson56 (galaxy group in a distance of 370 Mio Ly) to the south of NGC3718.Brightest members of distant galaxy Cluster MaxBCG J173.61398+53.22685 (z=0.232 / light travel time = 2.6 Gyr) are visible.

150 % zoom of NGC3718

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150 % zoom of NGC3729

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Object data of NGC4216
Object type:		galaxy (SBb)
Size:		7.8' x 1.8'
Magnitude:		11.1 mag
Constellation:		Vir
Distance:		40 Mio Ly
Notes:		The three edge-on galaxies NGC4216 (in the center of the image), NGC4222 (top left) and NGC4206 (bottom right) are members of the Virgo galaxy cluster. In the east of NGC4216 one can find a very faint structure, which could be a possible tidal tail. This tail is much better visible in the inverted image.  The two dwarf galaxies PGC39324 and PGC39303 are maybe connected with the tidal tail.
Exposure data
Date:		2009-04-21+24 + 2009-05-16+17+19+20
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 36x12m / R 12x8m / G 12x8m / B 12x8m
Exposure time total:		12h 00m

                               
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Object data of IC5076
Object type:		reflection nebula
Size:		9'
Magnitude:		-
Constellation:		Cyg
Distance:		-
Notes:		The bright star in the centre of the image is V2140 Cyg (5.7 mag).
Exposure data
Date:		2008-11-01 + 03
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1139mm)
Camera:		ST2000XM with CFW8 and SBIG Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 18x12m / R 7x12m / G 7x6m / B 7x6m
Exposure time total:		6h 24m
Notes:		bad transparency during luminance exposure; very bad seeing during RGB exposure.

                               
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Object data
Object type:		comet
Size:
Magnitude:		9.3 mag
Constellation:		Vir
Distance:		0.687 AU (102 Mio km)
Notes:
Exposure data
Date:		2010-03-23/24    23:50 UT - 2:00 UT
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 6x6m / R 6x4m / G 6x4m / B 6x4m
Exposure time total:		1h 48m
Notes:

                               
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Object data of M27
Object type:		planetary nebula
Size:		15'
Magnitude:		7.6 mag
Constellation:		Vul
Distance:		650 Ly
Notes:		The Dumbbell Nebula is the most easily seen planetary nebula in the sky.
Exposure data
Date:		2008-09-02 + 04 + 08 + 09 + 28
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1139mm)
Camera:		ST2000XM with CFW8 and SBIG Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 42x12m / R 18x12m / G 18x6m / B 18x6m
Exposure time total:		15h 36m
Notes:		Additional short exposures for the bright core in 1x1 binning: L 25x2m / R 6x8m / G 6x4m / B 8x4m

                               
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Object data of NGC2857 (Arp1)
Object type:		galaxy (Sc)
Size:		2.2'
Magnitude:		13.2 mag
Constellation:		UMa
Distance:		220 Mio Ly
Notes:		The face on spiral galaxy NGC2857 is the first entry in the Arp catalogue. It's Arp class is "spiral galaxies with low surface brightness". NGC2857 shows two very long thin spiral arms, as can be seen clearly in the above image.
Object data of Arp285 (NGC2854 + NGC2856) Object type: galaxy pair Size: NGC2854: 1.6'  /  NGC2856: 1.1'   Magnitude: NGC2854: 13.8mag  /  NGC2856: 14.0 mag Constellation: UMa Distance: 130 Mio Ly Notes: The galaxy pair Arp285 is a member of the Arp class "double galaxies, infall and attraction". The huge tidal arms, which are very well visible in the inverted image, are a clear sign for the interaction between these galaxies. The above image shows on the left side also a nice group of galaxies in a distance of 370 Mio light years. UGC5016, CGCG 238-053 and CGCG 238-054 are brighter members of this galaxy group.
Exposure data
Date:		2010-04-02 + 06 + 07
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 28x12m / R 11x8m / G 11x8m / B 11x8m
Exposure time total:		10h 00m

                               
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Object data of M105
Object type:		galaxy (E1)
Size:		5.3' x 4.8'
Magnitude:		10.5 mag
Constellation:		Leo
Distance:		56 Mio Ly
Notes:		M105 is a member of the Leo I group of galaxies. It is a typical representive of elliptical galaxies. Because of it's uniformity of color over the entire range of luminosity, M105 is used as a photometric standard for the surface brightness distribution of elliptical galaxies. The other two bright galaxies in the above image are NGC3384 and NGC3389. Many background galaxies, which can be found in the image are members of the more distant galaxy cluster ZwCl 1045.8+1251.
Exposure data
Date:		2010-04-08 + 17 + 19
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1120mm)
Camera:		ST2000XM with CFW8 and Baader Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 25x12m / R 10x8m / G 10x8m / B 8x8m
Exposure time total:		8h 44m

                               
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Object data of NGC2403
Object type:		galaxy (Sc)
Size:		23.4' x 11.8'
Magnitude:		8.9 mag
Constellation:		Cam
Distance:		10 Mio Ly
Notes:		NGC2403 is a member of the M81 group of galaxies. This galaxy has a morphology similar to the nearby Sc galaxy M33. NGC2403 is well known for it's big number of bright HII regions, as seen clearly in the above image. The brightest HII region got a NGC number: NGC2404.
Exposure data
Date:		2009-01-25 + 03-21
Location:		Nussbach / Austria (400m)
Telescope:		12" Newtonian telescope (f=1139mm)
Camera:		ST2000XM with CFW8 and SBIG Filters
Binning:		L 1x1 / RGB 2x2
Exposure time:		L 24x12m / R 11x12m / G 11x6m / B 11x6m
Exposure time total:		9h 12m
Notes:		Very good seeing during luminance exposure

牛顿玩到了rc的水平。

12寸的就有这效果啦，佩服~

谢谢分享

感觉还是ASA Newton好

虽然看到不懂英文！但是图很漂亮！！

Amazing! 有的天体我从来没有遇到

12寸反射就是这么的强啊~~呵呵，我的拍摄主力反射才有8寸~