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Showing results for tags 'widefield'.
Found 57 results
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Finally I have a clear night and can get out and do some imaging. As my AVX is still poorly, am using my Star Adventurer tonight and thought I would try my new Canon 75-300 lens that I got off eBay with my CCD and Ha filter. Lens is at 75mm and wide open as do not have a body to use to stop it down. Am getting some strange weirdness going on in my subs, image is below. This is just a stretch and save as JPG of a single 300s sub I am feeling that this is an internal reflection between the filter and lens. I have the filter screwed to the front of the lens with an adapter to get it to fit. Am I right in my thinking, or is there something else going on? I can overcome it by moving the filter inside the Geoptik adapter, but that is a bit of pain, but may have to do this.
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Bardsey Island - Milky Way
swlloyd3 posted a topic in Imaging - Widefield, Special Events and Comets
Hello, This one of my first finished edits from my recent trip to the Llyn Peninsula in Wales. Cannot wait to go back as the skies are the best I have ever seen!! A truly amazing place for astronomy......and more images to come shortly! This was a composition of two shots. The sky was shot using an Astrotrac - 1 sub - 150secs The foreground and island - 1 sub - 120secs Edited in Photoshop. Large version also attached BardseyIsland.tif- 12 replies
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Myself an a few others from the local astronomy group took advantage of some clear skies to go out exploring, with a view to finding some new foregrounds for wide angle nightscape photography. Dirlot Castle seemed to be quite a good spot.........
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- dark skies
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From the album: Widefield DSO
Large region of Cygnus presented in Hubble palette, or at least the nearest I can get to it. -
From the album: Venture in widefield.
350D + 135mm soligor m42 lens 3mins x 8 or 9 subs tracked with eq5 -
Although I'm more interested in visual astronomy, I still think it's fun to try some basic astrophotography every now and then. However, I don't think I have the time or patience to get into "proper" prime focus DSO stuff (ordered Making Every Photon Count out of curiosity anyway, you never know, right!?). At least for the time being. But I do want to get started with some widefield work this year, both still images and time lapse videos. I'm currently investigating the various options when it comes to tracking platforms such as iOptron SkyTracker/Skyguider, AstroTrac, Vixen Polarie and so on. Still not sure which way to go with that just yet. Anyway, I've started to put together some other various bits and pieces to get going. Just recently got an adapter to mount an RDF on the camera using the hotshoe to better be able to aim it where I need and want: http://www.teleskop-express.de/shop/product_info.php/info/p5641_Lacerta-adapter-for-mounting-red-dot-finders-to-camera-flash-shoes.html Also have an intervalometer that I bought last year, but havn't used much so far: http://www.teleskop-express.de/shop/product_info.php/info/p1464_Programmable-SLR-Remote-Control-for-Sony--Minolta.html I will, when the weather improves, try some basic shots with the camera on a fixed tripod (Manfrotto 190 PROB) just for fun. I've see some very interesting results here on SGL lately.
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From the album: Comets
Widefield of Comet Lovejoy from 24 January 2015. Taken with a Canon EOS 700d and very cheap 50mm f1.8 lens. First time I've used this lens for shooting the sky and f1.8 was probably too much aperture as it seemed to make focus difficult. I'll try stopping down next time© Rob Carlton
