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FORUMS Photography Talk by Genre Astronomy & Celestial Talk
Thread started 21 Apr 2012 (Saturday) 00:39
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what am i doing wrong.

 
Maverick530
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107 posts
Joined Jan 2012
Lafayette, LA
Apr 21, 2012 00:39 |  #1

Hey everyone im new :D
Im a Film Major but like photography, and the other day i was taking pictures of the sky though i think im doing it wrong, My pictures never come out very good and clear.

my settings are normally f22-f15 with iso set at like 1500 and a 30 second exposure. im using a 60D with the kit lens (im kind of Poor)
should i use that or a 50mm 1.8 (i do have one of those)

and also something about merging layers on photoshop, is that what people do?

Ps. i dont think i can send PMs just yet so im trying to get my post count up, im trying to buy a flash on here.


6D |60D | 24-105 L | 50mm 1.8 | battery grip | 18-135 |bw! |

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Tiberius
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Apr 21, 2012 01:43 |  #2

What problem exactly are you having? It's probably best if you post examples. But I'd suggest you start with a lower ISO and a wider aperture. f11 or f16 should be the highest you should go in general shooting.


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Maverick530
THREAD ­ STARTER
Member
107 posts
Joined Jan 2012
Lafayette, LA
Apr 21, 2012 16:02 |  #3

well, the pictures are just grainy, and the sky looks like it isnt black, it looks brownish


6D |60D | 24-105 L | 50mm 1.8 | battery grip | 18-135 |bw! |

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gewb
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Joined Feb 2005
Denver, Colorado USA
Apr 21, 2012 17:49 |  #4

Your profile doesn't say where you live. You need a dark sky area for long exposures. See this post and check the links:

http://photography-on-the.net .../showthread.php?t=1​168924

Regards,
GEWB


60D / Pro1 / A85

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Gojira1976
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Apr 21, 2012 17:57 |  #5
banned

Whatever the situation is, just keep on shooting! I would follow my own advice to, but alas, I can't, so as they say over exposure is better than under exposure, or your photos will end up like these:oops::o :(
also have you tried manual mode?

IMAGE NOT FOUND IMAGE IS A REDIRECT OR MISSING!
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HTTP response: NOT FOUND | MIME changed to 'image/gif' | Redirected to error image by FLICKR

_DSC2042 (external link) by Americo.Rodriguez. (external link), on Flickr

IMAGE NOT FOUND IMAGE IS A REDIRECT OR MISSING!
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AMERICO

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Maverick530
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Apr 21, 2012 23:15 |  #6

Yeah I'm shooting in M mode, sorry I haven't updated my profile yet, just busy lately


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cyberon
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Apr 22, 2012 00:30 as a reply to Maverick530's post |  #7

Maverick530, start by reading this thoroughly http://photography-on-the.net/forum/showthre​ad.php?t=766644

If you are attempting to take the night sky, start by using your widest aperture and widest focal length, ie at 18mm.

30 seconds will be a little bit long for untrack image at 18mm, so reduce your shutter speed to around 20s. ISO up to 1600 should be fine to get you started but remember to use live view at 10x to focus accurately.


500D, Speedlite 430EX II, Lens : 15-85mm; 50mm F1.8 II; 100mm F2.8L IS Macro; 70-200mm F4L; Samyang 8mm F3.5
U/W : G11, OEM Housing, Inon S2000, Inon D4 Tray, Inon UCL-165 Close up lens
Astro : Modded 1100D, ES 80ED, Skywatcher HEQ5 Mount, Astrotrac TT320X-AG, Astronomik CLS Clip in filter

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canadave
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187 posts
Joined Dec 2010
South Shore, Nova Scotia
Apr 22, 2012 07:17 |  #8

Maverick530 wrote in post #14306238external link
Yeah I'm shooting in M mode, sorry I haven't updated my profile yet, just busy lately

You don't need to fill it out completely, but at least your location would be helpful. Takes literally 10 seconds to do.... ;)


Canon 60D
- EF-S 18-55mm
ƒ3.5-5.6 IS • Tamron AF 70-300mm ƒ4-5.6 SP Di VC USD XLD • Pentax SMC-M 50mm ƒ1.4 (via adapter)

- Kenko Teleplus MC4 DG 2x teleconverter

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z0diac
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Joined Feb 2012
Apr 22, 2012 21:03 |  #9

Maverick530 wrote in post #14301862external link
my settings are normally f22-f15 with iso set at like 1500 and a 30 second exposure. im using a 60D with the kit lens (im kind of Poor)
should i use that or a 50mm 1.8 (i do have one of those)

As what Tiberius said.. I would open my aperture up a bit and lower the ISO. Raising the ISO is always my last resort, unless I want a large DOF and have to stop it down.

But this will help ESPECIALLY on long exposures. Higher ISO = grainier pictures, and those grains really show up more on long exposures.


Canon T2i / 70-200 2.8 IS II / 10-22mm / 50mm 1.8 / 18-200mm / 18-55mm / 55-250mm / 1.4x extender / filters / tripod / monopod / lightning trigger / Nikon Coolpix P90

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cyberon
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Perth, Australia
Apr 23, 2012 05:17 |  #10

z0diac wrote in post #14310639external link
As what Tiberius said.. I would open my aperture up a bit and lower the ISO. Raising the ISO is always my last resort, unless I want a large DOF and have to stop it down.

But this will help ESPECIALLY on long exposures. Higher ISO = grainier pictures, and those grains really show up more on long exposures.

Generally when shooting the night sky, DOF plays very little in the equation as you are focusing on a distant object.

ISO up to 1600 is generally fine for such images, the 60D can handle that! Remember that you are shooting an untracked image so already limited by your shutter speed to prevent trailing. Therefore any bit that helps in increasing exposure is good like ISO (up to a point) and aperture.


500D, Speedlite 430EX II, Lens : 15-85mm; 50mm F1.8 II; 100mm F2.8L IS Macro; 70-200mm F4L; Samyang 8mm F3.5
U/W : G11, OEM Housing, Inon S2000, Inon D4 Tray, Inon UCL-165 Close up lens
Astro : Modded 1100D, ES 80ED, Skywatcher HEQ5 Mount, Astrotrac TT320X-AG, Astronomik CLS Clip in filter

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what am i doing wrong.
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