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Old 22-08-2014, 06:15 PM
Sumitra (Sumitra)
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More Milky Way from around Brighton, UK

After practising with the the Milky Way by the West Pier, I went to try with my favourite foreground object, the Rottingdean Windmill.
I was in a rush as a friend was waiting in the car, but I will go again to refine it.

I think I should have pushed the ISO as much as I did by the West Pier to get more detail - I thought I didn't have to stretch my camera as I was in a much darker location, but I will next time.

In the second picture, I stacked 3 frames to have a neater sky. I think I prefer the longer exposure though.

Picture 1: 30 sec, ISO 6400, F/3.5
Picture 2: 3 frames stacked in Deep Sky Stacker Total 45sec exp (15 sec, ISO 3200, F/3.5)
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Old 23-08-2014, 09:57 AM
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blink138 (Pat)
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they look very interesting sumitra, you should be able to post it medium size rather than small though........ can you repost them larger for us?
pat
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Old 23-08-2014, 07:08 PM
Sumitra (Sumitra)
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Originally Posted by blink138 View Post
they look very interesting sumitra, you should be able to post it medium size rather than small though........ can you repost them larger for us?
pat
Hi Pat, Thanks for your comment, glad you find them interesting! I have bigger ones. I thought the size had to be limited to 100K...

I am not sure if these are much bigger, here is where you can see the photos bigger on Flickr if needed.

Picture 1: 30 sec, ISO 6400, F/3.5
Picture 2: 3 frames stacked in Deep Sky Stacker Total 45sec exp (15 sec, ISO 3200, F/3.5)
Picture 3: ETTR 30sec, ISO 12800, F/4
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Last edited by Sumitra; 23-08-2014 at 07:18 PM. Reason: Added photos
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Old 24-08-2014, 12:04 PM
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they are a little bigger sumitra, if you reduce them to about 1024 by 683 this is a nice size for instant gratification on the site
nice pics
pat
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Old 24-08-2014, 09:05 PM
Sumitra (Sumitra)
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they are a little bigger sumitra, if you reduce them to about 1024 by 683 this is a nice size for instant gratification on the site
nice pics
pat
Hi Pat, thanks! I tried 1023 by 683 but it did not allow me to upload - the sizes I uploaded were the max it allowed... I'll try again next time, perhaps I did something wrong?
Sumitra
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Old 24-08-2014, 09:26 PM
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Hi Pat, thanks! I tried 1023 by 683 but it did not allow me to upload - the sizes I uploaded were the max it allowed... I'll try again next time, perhaps I did something wrong?
Sumitra
Sumitra there are two things involved in setting the image size. One is the number of pixels and the other is the quality setting. You need to play around with both of them to get a files that fits under the 200KB limit. Reducing the quality makes more difference than reducing the number of pixels, but don't take reducing the quality too far.
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Old 25-08-2014, 08:47 AM
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Nice work Sumitra, definitely have a spot with some light pollution in order to try the ETTR on to see if I get better results.

Re image size, its a 200K limit, I normally set light room to set the quality based on size and resize short edge to 600 pixels and it results in reasonable quality images for IIS
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Old 26-08-2014, 04:35 AM
Sumitra (Sumitra)
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Hi Matt and Andrew,

Thanks for the tips for the image quality - I was actually using the already compressed sizes provided by Flickr. I will export from LR next time with your tips.

Matt - thanks for your comments, I'm experimenting at the moment. ETTR is nice but requires so much time in post-processing! I guess it would take me just as long to get to a nice dark spot, but more difficult on a cycle
Hope to see some of your ETTR!
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