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05-06-2014, 08:06 AM - 1 Like   #631
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Coma Galaxy Cluster

Coma Galaxy Cluster

12 x 600" exposures with Pentax k5
Celestron c8 on NEQ6 Pro mount

Link to fullres Coma Cluster Annotated (seti_v2) - Full resolution | AstroBin

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05-11-2014, 10:04 PM - 5 Likes   #632
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here's one from last week using the O-GPS1 and FA31 on the K5. The light trail is from an early morning fishing boat passing behind the arch.

Night Passage

it might look better here: https://www.flickr.com/photos/mikeoria/13947113417/
05-12-2014, 12:55 AM   #633
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A jaw dropping photo, Mike.
05-12-2014, 02:24 AM   #634
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QuoteOriginally posted by mikeSF Quote
here's one from last week using the O-GPS1 and FA31 on the K5. The light trail is from an early morning fishing boat passing behind the arch.
Awesome shot and thanks for the tutorial on OGPS-1 in the description.

Cheers!

05-12-2014, 10:53 AM   #635
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Wait a minute, that review/tutorial of the OGPS has some pictures of the camera screen with functions I don't have, like turning off the LEDs on the GPS.
Is that a K3 function only? (I have the original K5)
05-12-2014, 03:01 PM - 1 Like   #636
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QuoteOriginally posted by Gimbal Quote
Wait a minute, that review/tutorial of the OGPS has some pictures of the camera screen with functions I don't have, like turning off the LEDs on the GPS.
Is that a K3 function only? (I have the original K5)
oh, i see that too. I dont have the GPS LED option on my K5 either, perhaps K3??

I keep a piece of black tape over my LEDs to dim them down

---------- Post added 05-12-2014 at 03:04 PM ----------

QuoteOriginally posted by Deedee Quote
Awesome shot and thanks for the tutorial on OGPS-1 in the description.

Cheers!
QuoteOriginally posted by JimmyDranox Quote
A jaw dropping photo, Mike.
thanks so much!

BTW, another photog shot this one of me taking the pic...or napping between 2min exposures.
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Last edited by mikeSF; 05-12-2014 at 03:08 PM.
05-12-2014, 03:30 PM   #637
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QuoteOriginally posted by Gimbal Quote
Wait a minute, that review/tutorial of the OGPS has some pictures of the camera screen with functions I don't have, like turning off the LEDs on the GPS.
Is that a K3 function only? (I have the original K5)
Yes, that's a K-3 function only - so far.

The Astrotracer menu on the K-3 is quite different from that of K-5 and many ways more convenient: Apart from turning the LED light on and off, one can change essential parameters and functions (aperture, ISO, delayed release with mirror lock-up a.o.) without having to leave and re-enter the Astrotracer menu.

On the down-side: With the K-3, exposure times can only be set at fixed 10 seconds and 1 minute intervals. To me, there can be a lot of difference between 10s and 20s.......

And then I miss the "simple navigation" optionon on the K-3. Well, that's not Astrotracer related and perhaps not the most useful feature of the O-GPS1, but it is fun to have anyway.

PS.: Glorious astro-landscape photo, Mike SF - as always from you!
05-12-2014, 06:42 PM   #638
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QuoteOriginally posted by Stone G. Quote
...Glorious astro-landscape photo, Mike SF - as always from you!
thanks so much!

06-02-2014, 11:21 PM - 1 Like   #639
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Whirlpool Galaxy M51

This thread has been quiet for a while. Whirlpool Galaxy M51. Taken with Pentax K5 camera, Orion 8"f4 astrograph, stack of 32 x 30 second images plus 8 dark frames. Processed with Deep Sky Stacker and Nebulosity.

06-03-2014, 12:03 AM - 3 Likes   #640
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at the risk of being monotonous, here is another OGPS1 shot with the K5

06-03-2014, 06:49 AM   #641
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Beautiful images, John and Mike. Like it very much.
06-03-2014, 06:46 PM   #642
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QuoteOriginally posted by mikeSF Quote
at the risk of being monotonous, here is another OGPS1 shot with the K5
I like monotony.

I would be happy if any of these shots were mine. Keep up the good work chaps.
06-03-2014, 08:43 PM - 1 Like   #643
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Some incredible shots in here! Winter is not playing a very nice game with me at the moment in the tropics... it's more like early Spring! Last month we only had 3 clear nights in the entire month Hoping this month is going to be a lot better but so far it's pretty frustrating. Last night I got a break in between the clouds and managed to image Saturn.

Details:
Skywatcher ED100 APO 900mm F9
5x Powermate
NEQ6 Pro mount
Pentax K3
10x 1 second @ ISO 200 stacked. Conditions were fairly poor with only a 2 on the seeing index but still happy with the result Total zoom is 4500mm
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06-03-2014, 09:09 PM   #644
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Hello everyone. I'm new to the forums and photography in general. I have a K5 IIs, and took some shots this evening with it trying to figure out how the camera works. Can anyone look at these photos and tell me what I am doing right or wrong? Please go easy on me, I am a total n00b and had no clue how to work this camera at all until yesterday Also, I may have made a mistake when I bought this lens. It is a 24mm f/1.4 Rokinon, and I dont feel like the angle looks very wide on it. Should I go with a lower focal length fisheye for astrophotography? Or maybe I'm adjusting it incorrectly. I tried to use the aperture ring to adjust it to 1.4, but the camera wont boot if I do that. I have to set the ring to A for the thing to work at all. For Milky Way shots, would I be better off with something like a 16mm f/2.0? Thanks for any and all advice and critiques

The first pic was shot at ISO 800 and the second at ISO 1600. Both were 10.s exposures.
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06-03-2014, 09:31 PM   #645
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Hi Stockhatch. Your 24mm lens is just fine for Milky Way captures, and more.
While not as wide a 14mm or a 10mm fisheye, you'll be fine.
With a 24mm, you should be able to do 20 second exposures without star trailing.
Set your camera to manual. Go in your menu and choose use aperture ring. Wide open to 1.4.
Manual focus to infinity.
Try iso 1600 and don't be afraid to use 3200 if necessary.
I use 1600 usually for the Milky Way.
Shooting in RAW would also be a suggestion.
White balance is up to you.
Auto - Daylight - Tungston, etc.
Turn off image stabilization.
I think that's about it.
I'm not a pro, but have made a few decent Milky Way images lately.
Good luck.
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