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Forum: Pentax DSLR Discussion 10-05-2019, 05:44 PM  
Astrophotography
Posted By VoiceOfReason
Replies: 1,155
Views: 262,265
The Cloudy Nights forum is where I learned a lot.



The equipment and total amount of exposures is different for each, but I have that info on my Astrobin link in my signature. For processing I generally use DSS (free) to stack, and Photoshop to process. It's kind of an art to do it.
Forum: Pentax DSLR Discussion 10-04-2019, 04:40 PM  
Astrophotography
Posted By VoiceOfReason
Replies: 1,155
Views: 262,265
Thanks!



It is multiple rigs. Check the astrobin link in my signature and most of these should be on there.
Forum: Sold Items 09-30-2019, 05:33 PM  
For Sale - Sold: Sigma 50mm f1.4 EX DG HSM
Posted By VoiceOfReason
Replies: 18
Views: 2,075
How flat is the field on this? I would be using it for astrophotography.
Forum: Pentax DSLR Discussion 09-28-2019, 07:22 AM  
Price of new apsc flagship
Posted By VoiceOfReason
Replies: 117
Views: 5,304
That's why I predict a settling price
Forum: Pentax DSLR Discussion 09-27-2019, 06:45 PM  
Astrophotography
Posted By VoiceOfReason
Replies: 1,155
Views: 262,265
Since this is still going I suppose I can give a few newer examples. I've improved a little.
Forum: Pentax K-1 09-27-2019, 06:12 PM  
Post your K-1 pictures!
Posted By VoiceOfReason
Replies: 26,104
Views: 2,246,579
This is 20x 180s ISO 800, SharpStar 150 f/2.8, Pentax K1 crop mode (oops), iOptron CEM25EC and MGEN II. Stacked in DSS, processed in Photoshop.
Forum: Pentax DSLR Discussion 09-27-2019, 04:24 PM  
Price of new apsc flagship
Posted By VoiceOfReason
Replies: 117
Views: 5,304
1200 to start, 6 months later 900
Forum: Pentax News and Rumors 09-19-2019, 06:33 PM  
New K-series DSLR under development to be exhibited
Posted By VoiceOfReason
Replies: 3,037
Views: 186,654
Heh, just wait for them to showcase the 100/150mp MF and 60mp FF along with this as a 26mp APSC.
Forum: Pentax K-1 08-26-2019, 12:39 PM  
Attaching a K-1 to a telescope
Posted By VoiceOfReason
Replies: 6
Views: 1,060
The Paracorr is for a newtonian, and what you have is an SCT. You will need the proper t-ring and maybe spacers, but the corrector I linked is pretty well the only thing that will work for you since that isn't an Edge version.

There are different types of correctors for different scopes, and some scopes don't need one. You have to have the proper one for your scope. I would also recommend a wedge for the mount itself so you're not limited to 15 or 20 second exposures.
Forum: Pentax K-1 08-25-2019, 06:48 PM  
Attaching a K-1 to a telescope
Posted By VoiceOfReason
Replies: 6
Views: 1,060
I do astrophotography with a K1 (and a K3, and a K5, and a K-01) and it's pretty easy. As long as you have the proper amount of backfocus you can just use a 2" T adapter. One thing you will need is a corrector for that since it is not an edge. You will need a corrector for it, and for a full frame one it's going to be expensive. Here's one: Starizona SCT Coma Corrector LF - Large Format C11/C14 - SCTCORR-LF

There are other correctors such as the much cheaper Celestron 6.3 (forget the 3.3, it wont work at all for AP), but iy will not correct full frame, or even fully correct APSC.

If you want to see what a K1 can do check my astrobin: Scotty Bishop's gallery - AstroBin
Forum: Post Your Photos! 07-05-2019, 05:17 PM  
Night Rho Ophiuchi area
Posted By VoiceOfReason
Replies: 2
Views: 261
Thanks!
Forum: Post Your Photos! 07-05-2019, 05:16 PM  
Nature Pillars of Creation
Posted By VoiceOfReason
Replies: 5
Views: 301
What equipment did you use for that?
Forum: Post Your Photos! 07-04-2019, 06:38 PM  
Night Rho Ophiuchi area
Posted By VoiceOfReason
Replies: 2
Views: 261
Here is an hour of exposure using my astro modded K5 and Williams Optics Redcat taken last Friday from the state park near my house.
Forum: Troubleshooting and Beginner Help 04-26-2019, 04:21 PM  
Is this Sigma 18-35 f/1.8 Art for Pentax defective?
Posted By VoiceOfReason
Replies: 9
Views: 797
I own one and it is dead quiet and very well dampened. Sharp as a tack and silent focusing too.
Forum: Sold Items 02-21-2019, 07:46 PM  
For Sale - Sold: Pentax FA* 600/4 ED IF New price!
Posted By VoiceOfReason
Replies: 19
Views: 2,687
THis is a dream lens for me.
Forum: Pentax News and Rumors 02-10-2019, 06:13 PM  
Redcat 250mm f/4.9 - maybe
Posted By VoiceOfReason
Replies: 24
Views: 2,222
Yeah, this is simply a short telescope by Williams Optics and you would use a normal T mount adapter on it. Why is there a kickstarter for it anyway? I've been following development of it because I do more astrophotography than anythign now.
Forum: Pentax K-3 02-09-2019, 10:37 AM  
why I won't buy a k3 (Warning: Satire Thread)
Posted By VoiceOfReason
Replies: 71,353
Views: 2,600,146
no one should eat pooptine
Forum: Pentax K-3 02-06-2019, 08:49 PM  
why I won't buy a k3 (Warning: Satire Thread)
Posted By VoiceOfReason
Replies: 71,353
Views: 2,600,146
Cursed taco

Forum: Pentax K-1 01-22-2019, 02:29 PM  
K-1 upgrade delay
Posted By VoiceOfReason
Replies: 129
Views: 7,937
I called to get an update which the person said they were passing along with my work order number via email, and that I should get a call back. Nothing yet.
Forum: Pentax K-1 01-11-2019, 09:50 PM  
K-1 upgrade delay
Posted By VoiceOfReason
Replies: 129
Views: 7,937
I need to call to find out when mine can be sent in. I still have heard nothing at all.
Forum: Pentax K-1 12-23-2018, 01:45 PM  
Post your K-1 pictures!
Posted By VoiceOfReason
Replies: 26,104
Views: 2,246,579
Thanks!
Forum: Pentax K-1 12-23-2018, 11:07 AM  
Post your K-1 pictures!
Posted By VoiceOfReason
Replies: 26,104
Views: 2,246,579
Quick shot of the moon taken with the K1 and EX Comet Hunter (731mm fl). It is 10x 1/100 ISO 100 shots using the 12s timer 10x shot, stacked and heavily cropped in Photoshop, and then a little wavelet work in Registax.
Forum: Pentax K-1 12-22-2018, 08:46 PM  
K-1 upgrade delay
Posted By VoiceOfReason
Replies: 129
Views: 7,937
I still have heard nothing at all.
Forum: Pentax K-1 12-17-2018, 10:27 AM  
Post your K-1 pictures!
Posted By VoiceOfReason
Replies: 26,104
Views: 2,246,579
Now for a little something different from a K1, a timelapse of comet 46P/Wertanin from last night in my front yard!
















You Tube



Forum: Pentax K-3 12-14-2018, 08:49 PM  
why I won't buy a k3 (Warning: Satire Thread)
Posted By VoiceOfReason
Replies: 71,353
Views: 2,600,146
I had some awesome bacon this morning. Also, here's the comet from the night of the 11th after cropping the frames. Different scope.














Youtu.be



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