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ForenSeil
Joined: 15 Apr 2011
Posts: 2726
Location: Kiel, Germany.
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 Posted: Tue Aug 14, 2012 4:23 pm Post subject: Very first deep sky try |
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ForenSeil wrote:
NEX5N, Samyang 8mm, Minolta Rokkor 100/4, Minolta MD 50/2 and Biogon 28/2.8 were used, all wide open except the Samyang.
Very first deep sky try with an very easy setup (mounted NEX with a screw on an telescope, aiming/tracking trough the telescope with largest mangification on an star all the time during exposure to compensate the rotation of the earth; except with the Samyang 8mm, with 8mm there was no tracking necessary).
Unfortunatly the light polution was a bit limiting and I don't have a car.
A part of the milkyway; I don't know if I made with the Biogon or the Minolta 50
Andromeda with Minolta Macro Rokkor 100/4, cropped.
Here you can guess the light polution
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I'm not a collector, I'm a tester 
My camera: Sony A7+Zeiss Sonnar 55/1.8
Current favourite lenses (I have many more):
A few macro-Tominons, Samyang 12/2.8, Noritsu 50.7/9.5, Rodagon 105/5.6 on bellows, Samyang 135/2, Nikon ED 180/2.8, Leitz Elmar-R 250/4, Celestron C8 2000mm F10
Most wanted: Samyang 24/1.4, Samyang 35/1.4, Nikon 200/2 ED
My Blog: http://picturechemistry.own-blog.com/
(German language)
Last edited by ForenSeil on Wed Aug 15, 2012 12:43 pm; edited 5 times in total |
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DigiChromeEd
Joined: 29 Dec 2009
Posts: 3462
Location: Northern Ireland
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| Posted: Tue Aug 14, 2012 4:38 pm Post subject: |
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DigiChromeEd wrote:
These are superb for a first attempt, especially #2 where you have captured the Andromeda galaxy, the nearest one to our own. I am impressed! 
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SonicScot
Joined: 01 Dec 2011
Posts: 2698
Location: Scottish Highlands
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| Posted: Tue Aug 14, 2012 5:33 pm Post subject: |
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SonicScot wrote:
Wow, pretty impressive first try. 
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Orio
Joined: 24 Feb 2007
Posts: 29545
Location: West Emilia
Expire: 2012-12-04
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| Posted: Tue Aug 14, 2012 5:52 pm Post subject: |
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Orio wrote:
Agree with comments above, great results for a first try!
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rbelyell
Joined: 13 Oct 2009
Posts: 4269
Location: somewhere in the mountains of central NY
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| Posted: Tue Aug 14, 2012 7:14 pm Post subject: |
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rbelyell wrote:
wow, very impressive. i think 2 is super.
tony
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Rolf
Joined: 02 May 2009
Posts: 4123
Location: NRW/Germany
Expire: 2015-12-26
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| Posted: Tue Aug 14, 2012 8:08 pm Post subject: |
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Rolf wrote:
These images are really good even they were not your first try. Can you tell us something about exposure time and ISO ?
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ForenSeil
Joined: 15 Apr 2011
Posts: 2726
Location: Kiel, Germany.
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| Posted: Wed Aug 15, 2012 1:13 am Post subject: |
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ForenSeil wrote:
Thanks
I tried many different exposure times etc.
#1 is ISO200, 48s @ F2 or F2.8
#2 is ISO400, 30s @ F4
#3 is ISO3200, 30s @ F5.6 or F8
_________________
I'm not a collector, I'm a tester
My camera: Sony A7+Zeiss Sonnar 55/1.8
Current favourite lenses (I have many more):
A few macro-Tominons, Samyang 12/2.8, Noritsu 50.7/9.5, Rodagon 105/5.6 on bellows, Samyang 135/2, Nikon ED 180/2.8, Leitz Elmar-R 250/4, Celestron C8 2000mm F10
Most wanted: Samyang 24/1.4, Samyang 35/1.4, Nikon 200/2 ED
My Blog: http://picturechemistry.own-blog.com/
(German language) |
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yinyangbt
Joined: 08 Oct 2010
Posts: 1973
Location: Romania
Expire: 2012-12-27
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| Posted: Wed Aug 15, 2012 10:46 am Post subject: |
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yinyangbt wrote:
Wow!
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David
Joined: 13 Apr 2011
Posts: 1869
Location: Denver, Colorado
Expire: 2013-01-25
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| Posted: Wed Aug 15, 2012 2:46 pm Post subject: |
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David wrote:
That's fantastic work. What kind of equipment did you use to compensate for the earth's rotation?
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Hari
Joined: 29 Nov 2009
Posts: 1790
Expire: 2015-05-27
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| Posted: Wed Aug 15, 2012 7:27 pm Post subject: Re: Very first deep sky try |
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Hari wrote:
| ForenSeil wrote: |
NEX5N, Samyang 8mm, Minolta Rokkor 100/4, Minolta MD 50/2 and Biogon 28/2.8 were used, all wide open except the Samyang.
Very first deep sky try with an very easy setup (mounted NEX with a screw on an telescope, aiming/tracking trough the telescope with largest mangification on an star all the time during exposure to compensate the rotation of the earth; except with the Samyang 8mm, with 8mm there was no tracking necessary).
Unfortunatly the light polution was a bit limiting and I don't have a car.
A part of the milkyway; I don't know if I made with the Biogon or the Minolta 50
Andromeda with Minolta Macro Rokkor 100/4, cropped.
Here you can guess the light polution |
Awesome stuff!
Which telescope did you use? Was it a celestron by any chance? Also, what program on the telescope did you use for the tracking?
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ForenSeil
Joined: 15 Apr 2011
Posts: 2726
Location: Kiel, Germany.
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| Posted: Thu Aug 16, 2012 5:16 pm Post subject: Re: Very first deep sky try |
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ForenSeil wrote:
| Hari wrote: |
Awesome stuff!
Which telescope did you use? Was it a celestron by any chance? Also, what program on the telescope did you use for the tracking? |
Thanks
I didn't use any electronics or software etc.
I only used a very steady tripod (I borrowed a ~10kg tripod with equatorial mount together with a small maksutov telescope from a friend).
I mounted the camera/lens on the top of the telescope (there were usually the "sucherfernrohr" is placed [i don't find the correct english word for it, it's the small telescope on the top which is made to find stars at small mangification]), then I aimed/centered with the highest available magnifcation on an bright star close to my target and aimed the star in center through the telescope all the time during exposure to compensate the rotation of the earth. It tooked about 10tries to get the first sharp picture, you need pretty steady hands
_________________
I'm not a collector, I'm a tester
My camera: Sony A7+Zeiss Sonnar 55/1.8
Current favourite lenses (I have many more):
A few macro-Tominons, Samyang 12/2.8, Noritsu 50.7/9.5, Rodagon 105/5.6 on bellows, Samyang 135/2, Nikon ED 180/2.8, Leitz Elmar-R 250/4, Celestron C8 2000mm F10
Most wanted: Samyang 24/1.4, Samyang 35/1.4, Nikon 200/2 ED
My Blog: http://picturechemistry.own-blog.com/
(German language) |
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s58y
Joined: 05 Sep 2010
Posts: 131
Location: Eastern NY
Expire: 2013-09-10
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| Posted: Fri Aug 17, 2012 4:04 pm Post subject: |
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s58y wrote:
Great 1st effort -- these are a whole lot better than my first try at imaging DSOs with a DSLR on a fixed tripod.
(You can see it here:
http://www.flickr.com/photos/s58y/4144283578/in/set-72157622774633687
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Nisseliten
Joined: 26 May 2012
Posts: 332
Location: Sweden
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| Posted: Fri Aug 17, 2012 5:04 pm Post subject: |
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Nisseliten wrote:
Nice work!, I've been looking forward to doing some astro photography for a long time now, as soon as the sky clears up and the sun starts setting at a reasonable hour..
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