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The PHOTOGRAPHY thread

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Description: An album of member's photo's
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Tweefo
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« Reply #60 on: August 21, 2016, 05:35:46 AM »

Ok, I now have the telescope (LX90), the camera (Canon 450D), Software (Registax) and the Knowhow (Rigel Kent). Also ordered "Canon EOS Digital Rebel XSi/450D for Dummies" Just need an adapter to connect said camera to the scope and then I can start to bore you with, I hope, not very bad pictures. How difficult can it be?
« Last Edit: August 21, 2016, 13:00:53 PM by Tweefo » Logged
Tweefo
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« Reply #61 on: August 28, 2016, 04:56:33 AM »

Last night I was going to try out my nonexisting astrophotography skills on the Venus / Jupiter conjunction but made the mistake of announcing it on Facebook. Quite a few people came and by the time I've shown them Saturn, Jupiter, Mars, the Jewel Box, Omega Centauri and pointed out a few constellations the pair was down. I then thought I'll take pictures of Saturn only to discover that the camera won't fit if the object is high in the sky. Then I tried C80 (Omega Cen) but then could not get Live View to work on the camera to focus it. A comedy of errors. Lessons learned and notes to self: 1. If photographs are the object of putting up the scope, do not invite people to come and look at the planets. 2. Choose the objects to be captured when they are lower in the sky. 3. Study the manual. My "Canon for Dummies" will only be delivered on Tuesday. So you will have to wait for my wonders of the sky pictures.
« Last Edit: August 28, 2016, 06:27:20 AM by Tweefo » Logged
brianvds
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« Reply #62 on: August 28, 2016, 07:44:42 AM »

I have completely forgotten about the conjunction - been battling the worst flu I have had in years. Hopefully the web will soon be awash in pics.
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Tweefo
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« Reply #63 on: August 28, 2016, 11:37:11 AM »

I have completely forgotten about the conjunction - been battling the worst flu I have had in years. Hopefully the web will soon be awash in pics.
It will be still ok tonight.
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Rigil Kent
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« Reply #64 on: August 28, 2016, 13:25:11 PM »

Planetary conjunction. 27th of August 2016, Sundays River, Kirkwood.

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Tweefo
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« Reply #65 on: August 28, 2016, 13:31:29 PM »

Ek gaan vanaand weer probeer. Op wat moet ek die ISO stel?
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Rigil Kent
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« Reply #66 on: August 28, 2016, 13:37:02 PM »

Vir jou kamera op 'n driepoot (of piggy back op jou Meade sonder tracking) probeer so 15" ISO 800 F3.5 met zero zoom (neem aan jy't die 18-55mm lens wat gewoonlik gebondel word saam met die kamera?). Jy kan ISO1200 probeer, maar dan gaan jy grein begin sien ... wat nie noodwendig sleg is nie, afhangend van die "look" wat jy wil gee aan die foto.
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Tweefo
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« Reply #67 on: August 28, 2016, 14:44:42 PM »

Maar met kamera aan scope gekoppel? Gebruik die scope as lens?
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Rigil Kent
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« Reply #68 on: August 28, 2016, 14:51:54 PM »

Maar met kamera aan scope gekoppel? Gebruik die scope as lens?
Ek glo nie jy gaan meer beide Venus en Jupiter in een foto inpas as jy jou teleskoop gaan gebruik nie. Ek stel voor gebruik Stellarium se Ocular plug-in en stel dit op met jou Meade se focuslengte (2000mm) en die Canon sensor grootte (22.2 x 15 mm. Dan kan Stellarium jou vinnig vertel wat gaan inpas en wat nie.

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Tweefo
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« Reply #69 on: August 28, 2016, 14:59:22 PM »

Nee, probeer nie altwee vang nie maar as ek nou se Jupiter of Omega Cen. probeer, wat stel ek die ISO op? Ek kan rondspeel maar waar begin ek?
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Rigil Kent
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« Reply #70 on: August 28, 2016, 15:13:04 PM »

Jupiter - ISO 400, 1/4"
Omega   - ISO 400-800, maar heelwat langer exposure 15-30" en met tracking (equatorial mount of wedged fork mount.) Sonder tracking sal jy die exposure so kort as moontlik moet maak met hoogste ISO.

My frustrasie is weer dit: Dead Syringa Observatory se westelike horison is heeltemal te hoog om die twee planete vanaand teleskopies te kiek.  Roll Eyes




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Tweefo
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« Reply #71 on: August 28, 2016, 17:27:58 PM »

Ek het nog nie 'n wedge nie, so vir nou gaan ek nie met exposure lenght speel nie.
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Tweefo
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« Reply #72 on: August 28, 2016, 18:58:04 PM »

Ok, ek sien wat jy bedoel... Heeltemal overexposed.
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Tweefo
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« Reply #73 on: August 29, 2016, 19:35:39 PM »

Die 1ste een is Saternus met die webcam en die 2X Barlow lens. Die 2de is sonder die Barlow lens en hierdie is die beste fokus wat ek kan kry. Hoekom? Die seeing is nie die beste, maar ook darm nou nie die slegste ooit nie, ek sou se 3.5 of so uit 5.

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Rigil Kent
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« Reply #74 on: August 29, 2016, 21:06:18 PM »

The Barlow spreads Saturn's light out over a larger area, so the bottom pic appears overexposed whereas the top one is about right. Both appear equally in focus, though.
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