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Hi y'all, I was wondering if I would make a wise decision by buying a small refractor for my SkyWatcher Star Adventurer. My budget is 100-200$ (new not used). And I already know that WO Zenith and SW Evostar 72 is one of the best scopes (budget) there is but don't have the cash flow. I do astrophotography as a hobby like 3-4 times a year. My next pictures are from a Nikon DSLR camera with the Sigma 70-300mm F/4-5.6 lens. I did use a barn style tracker (NYX) for these pictures (no SW adventurer). So again I am asking for your opinions. My future scopes are (OTA usage only): - Celestron Powerseeker 80AZS 400mm focal length - Svbony 80mm 400mm fl - Visionking 80mm 400mm fl I know that the factor "tracker" is not fair in a way, I mean I will have better tracking with the SW Adventurer so unfair to say that it will beat the barn door tracker by a landslide. So will it make a big or light difference quality wise (pictures) ? And should I buy? Sigma VS Powerseeker. Any feedback would be appreciated, thanks.
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Minimum exposure needed to capture horsehead Nebula
Chris33benoit replied to Peco4321's topic in Getting Started With Imaging
Just wow, nothing is impossible all right. I just saved 200$ I think by not buying some filters. I am stubborn enough to try and try again to shoot the Horsehead with only a simple Nikon D3200 camera. All I have is this (so far): (see pictures). Also a result like yours Nigel G. (Sub Dwarf) would be enough for me! No filter you say? There is hope! Nikon D3200 (70-300mm Sigma F5/6 at 300mm) Matrix, Vivid, Direct Sunlight, Raw, about 50 lights 8 sec each, Deep Sky Stacker, Gimp, NYX tracker used. No guide, no filter. -
Orion the Hunter
Chris33benoit replied to SyedT's topic in Imaging - Widefield, Special Events and Comets
Hi Proto Star just wondering how many darks and bias (if any) did you take for this marvellous image? I took 65 (30 sec) images last night and I don't have that quality of image, thanks again! -
Also it seems by that date and this website (timeanddate.com) the Moon was directly in the path of Capricornus. Would that be helpful?
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Thanks Mike JW, I don't remember the time exactly it was taking, sorry. But if you think that it is a star not a planet well that will be good enough for me Thought it might have been Uranus or Neptune. Thanks again!
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Hi all, I was wondering if someone migh have an idea if I have actually shot a planet (Neptune or Uranus) or star in this shot. I know it dates from October 28th 2017. I tried the online planetarium but it does not show anything. Also this [removed word] was taking when shooting the Moon in video mode through my Nikon D3200 DSLR camera. Thanks in advance. Meade Lightbridge 12inch no GOTO Nikon D3200 (video mode) ES 14mm
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Orion, its belt and Nebula M42 in North Cornwall
Chris33benoit replied to AstroNebulee's topic in Imaging - Deep Sky
Waited all summer to shoot this beauty. Here is mine taken this week just before going to work. Nikon D3200, 50mm, ISO800, F/2.2 20 seconds single shot, NYX tracker. Never saw Betelgeuse yellow. First time trying a 50mm at that F/stop. I like it! -
The NYX tracker (the one I bought) the rules of imaging are as follows (see picture/attachment.) There is about 100 arcsecond (113) of error when the tracker rotates. So they consider that we use the 2500 rules. For me with my 70-300 Sigma lens (@ 300mm) I should not go more than 10 seconds of exposure. Believe me I have tried hehehe. There is star trailing after 8 seconds! So I go under therecommended settings. Again that is why (I think) I should use a "fast" f/stop.
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I wish you a happy birthday. I heard too about the Takumar lens. My problem is that my tracker (NYX) is a barn door design. I cannot go more than 18 seconds of exposure (2500 divided by 135mm, rule of 500) if longer star trailing begins. That is why I need a fast lens...if that make sense But if at F/3.5 is what I supposed to get I will start my hunt for that as well. F/3.5 at 135mm is better than F/5.6 at 300mm (for my 70-300mm Sigma lens). Ebay here I come!
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I am shopping for a 135mm myself these days. I have the 50mm f1.8 prime and a 70-300mm f/5.6. I found that a lower fstop is better (light wise) for images. I wonder if the 135mm f2.8 (any brand) would be a chellenge. Any thoughts anyone? Thanks!
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Awesome thanks for the answer! :) This is the one I got so far. D3200 NYX tracker, no filter, darks and lights.