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Created Showing Discussions 20 of 1475 Replies Views Reverse Sort Order Last Post
by MossyRocks
03-29-2021 01:16 PM
The Great Astro Lens Test
Since we frequently seem to get questions about if some lens is good for astro or where is a lens...
81 8967
03-05-2024 07:52 AM
by cheekygeek
11-16-2015 08:28 PM
How to avoid wasting photons with too-high ISOs (?)
This is less of a tutorial than a question for discussion (and a set of links to hopefully provide...
110 6194
05-31-2016 10:54 PM
by Pete_XL Go to last post
by Pete_XL
03-04-2019 08:59 AM
How to adapt Pentax lenses to ZWO ASI cameras
Hey guys, it's been long since I have been here! Meanwhile I found a way to adapt my Pentax...
28 5201
12-30-2023 06:11 AM
by cprobertson1
10-07-2019 02:28 AM
Bahtinov Masks - a basic visual guide to how they work.
I compiled this in response to another thread on here, but thought it was an interesting enough...
16 4500
10-09-2019 07:04 AM
by Pete_XL
12-11-2016 12:40 AM
Horse & Flame fireworks - colorful region in the Orion constellation
I shot this image also in the clear period end of November but the result was very dark so I had...
19 4474
01-01-2017 07:56 PM
by hjw Go to last post
by cprobertson1
01-09-2019 03:42 AM
My adventures in astrophotography
I've recently taken an interest in astrophotography and thought I would share my misadventures! ...
123 3531
03-30-2019 07:03 PM
by omet Go to last post
by Stone G.
06-13-2012 01:08 AM
ASTROTRACER - Images, Tips & Tricks?
I wonder if there are any Astrotracer users among the members of this group? I just got the...
68 3519
11-28-2013 02:31 AM
by Lew Dite
07-24-2017 08:35 AM
K-70 suitability for AP?
(I originally posted some of these questions in "Welcomes and Introductions" before I figured out...
14 3407
07-28-2017 05:40 AM
by Pete_XL
03-10-2017 06:40 AM
Does anybody know the software sequator?
I found this (free) stacking software in the internet. It promises to be easyer and faster than...
25 3192
04-05-2017 02:51 AM
by Pete_XL Go to last post
by jawats
11-23-2019 06:36 AM
Stacking Errors
I took a series of 100 photos of Andromeda last night at 300mm, f/5.4, 1s, ISO 12800. The galaxy is...
8 3126
11-24-2019 11:33 AM
by jawats Go to last post
by Pete_XL
01-28-2017 07:36 AM
It's all in the data - let's dig it out.......
Some people asked me to explain my workflow and the method to prevent stars while bringing up the...
26 2764
03-11-2019 10:11 AM
by Craigbob
05-12-2019 02:08 PM
Explore Scientific IEXOS-100 test
I'm still looking for a small portable mount with go-to to take to some dark skies for DSLR and...
25 2416
05-20-2019 06:17 AM
by DrawsACircle
02-26-2017 01:18 PM
Pentax K-70/SMC Pentax-M 200mm F4/O-GPS1 - Orion and the Whirlpool Galaxy
I spent a couple of hours in my garden Friday night trying out my 'new' M 200mm F4 lens. I got...
10 2378
03-01-2017 10:10 AM
by fewayne
04-09-2018 10:01 AM
+1 for StellarMate OS
You may have seen gbeaton and me conversing about various Raspberry Pi observational software. He...
27 2262
07-14-2018 03:46 PM
by Pete_XL
05-14-2016 06:11 AM
Bow of Galaxies - testing the Sigma 70-200 F2.8 APO DG HSM EX
I had not used it for a long time and never with a guided mount. So I tried the Sigma 70-200 once...
8 2262
04-06-2017 01:56 AM
by Pete_XL Go to last post
by Pete_XL
12-15-2018 01:19 AM
Color proserving arcsinh stretch adapted from SHARKMELLY
Some time ago "Sharkmelly" (his name on CN) disclosed a color preserving stretching technique for...
10 2179
01-03-2019 12:52 PM
by Pete_XL Go to last post
by interested_observer
03-19-2017 07:16 PM
How to Find the Best ISO for Astrophotography: Dynamic Range and Noise
There is a new article out by Ian Norman (Lonely Speck) on finding the best ISO for astro. How...
12 2160
03-25-2017 12:37 AM
by Evie
06-19-2017 01:58 PM
Light pollution filters for DSLR
Does anyone have experience with them? I found several that might be mounted on lens, but almost...
20 2151
06-21-2021 07:29 AM
by Pete_XL
11-28-2016 12:32 AM
Andromeda 2.0
Yesterday evening I applied my new workflow on a M31 image sequence shot last Thursday (ca. 70 pics...
35 2141
01-28-2017 08:27 AM
by k5astro
01-27-2019 09:24 AM
Pentax support in Kstars
Hi all, I just wanted to update you guys with news about Pentax support with one of our favourite...
15 2063
05-08-2019 06:32 AM


 


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