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Join our unique resource for Olympus Four Thirds E-System DSLR and Pen and OM-D Micro Four Thirds photographers. Show your images via our free e-group photo gallery. Please read the e-group.uk.net forum terms and conditions before posting for the first time. Above all, welcome!


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Foto Fair Post your photos for friendly, non-critical feedback. This is the place to show pictures if you aren't yet ready for full-blooded critique, or simply want to share an interesting picture with other e-group visitors.

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  #226  
Old 22nd February 2019
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Re: Communal Night-Sky Photography Thread

Noise! I thought they were stars Well I wont tell if you don't.
Yes 4 hours of clear sky in itself is quite a challenge.
I presume you have dew heaters for your scope, never thought about the laptop. If it was me I think I'd want a long lead so I could sit inside in the warm
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  #227  
Old 22nd February 2019
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Re: Communal Night-Sky Photography Thread

Excellent Horses Head Dave......I know it is pretty faint, and takes a load of effort to do it....
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  #228  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

When I went outside this morning for my usual nicotine fix I noticed the moon was showing through the tree outside the front of the house so nipped back in, put the 75-300 onto my camera and grabbed a few shots.

Moon Through Some Branches by jonskids, on Flickr
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  #229  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

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Originally Posted by Phill D View Post
Noise! I thought they were stars ..........

I was having the opposite problem, until I realised that the default star catalogue in Stellarium only goes down to about mag.10. In the 'Extras' tab within the 'Configuration' menu, there are options to load more stars, as a series of downloads that get successively larger.

Even with my local light pollution, I'm finding that dots on my images correspond with stars down to about 12th magnitude, with 2sec exposure at f/1.8 (75mm lens)
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  #230  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

Nice one Jon. Alas I was in A&E with the missus....
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  #231  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

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Nice one Jon. Alas I was in A&E with the missus....
Thanks but main thing is I hope all is okay....
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  #232  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

Yes hope all is well Mark.
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  #233  
Old 25th February 2019
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Re: Communal Night-Sky Photography Thread

Thanks both. She is OK, just down in the dumps after some surgery. Wound not healing well at all....and is on the sick for a week or two...
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  #234  
Old 26th February 2019
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Re: Communal Night-Sky Photography Thread

Leo Triplet last night.

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  #235  
Old 26th February 2019
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Re: Communal Night-Sky Photography Thread

Gosh, bet that took some time as well. Forgive me, are you using a scope, or long lens?
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  #236  
Old 26th February 2019
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Re: Communal Night-Sky Photography Thread

Very nice Dave. What did you use to get that shot?
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  #237  
Old 26th February 2019
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Re: Communal Night-Sky Photography Thread

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Originally Posted by MJ224 View Post
Gosh, bet that took some time as well. Forgive me, are you using a scope, or long lens?
I am using a 550mm scope and narrowband filters and a ZWO mono camera.
So no Oly gear at all

Its a composite of 34 x 180sec exposures
8 each Red , Green , and Blue
10 x Luminance.

I think its the best I have done to date. Perfect conditions last night.
The full widefield image is on my flickr page.
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  #238  
Old 1st March 2019
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Re: Communal Night-Sky Photography Thread

Been a bit quite on here recently but had a rare few clear nights recently so had a good go at the Bodes galaxy (M81) and Cigar galaxy (M82).

All taken with EM1 MKii and 300mm f4 + MC14. PHD2 guided on Star Adventurer 423 x 60 min (7hrs 3mins) exposures ISO1600 over 2 nights. 20 Darks subtracted processed in Star Tools.

I am aiming to get double this integration time to see the difference in detail.

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  #239  
Old 1st March 2019
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Re: Communal Night-Sky Photography Thread

Excellent shot.
Nice round stars as well.

You have more patience than me 7hrs integration time
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  #240  
Old 1st March 2019
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Re: Communal Night-Sky Photography Thread

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Originally Posted by wornish View Post
Excellent shot.
Nice round stars as well.

You have more patience than me 7hrs integration time
Dave

The round stars are the product of the Olympus 300mm lens perfect polar alignment using Sharpcap and PHD2 guiding which I am getting sub 2 arc seconds. I keep looking at going your route with new telescope, filters and mount. The one thing that is stopping me is that I have full remote control (USB lead) over the focusing using Olympus Capture. I keep DeepskyStacker Live monitoring the stars FWHM and when I see them drifting I can remotely re-focus without touching the mount. I have my laptop running inside the house connected to the camera and mount via a USB leads so only need to go outside to change the battery.
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