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Welcome to the
Open PHD Guiding
(PHD2) forum, telescope guiding software for astro-photographers.
To get help with PHD2, please upload your log files - here's how:
How to ask for help with PHD2
.
If you are new to PHD2, we urge you to read the
documentation
and
follow these tips:
Use the forum search tools - most questions have been answered many times
Read and follow the
Best Practices Guide
Use the New-Profile-Wizard to define and manage your equipment configurations
Avoid making changes to guiding parameters without knowing exactly what they do
After you get a good calibration run and a Guiding Assistant Run, per the Best Practices, run the
Baseline Assessment
Forum guidelines for vendors
.
Mark all as read
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0 selected
Олег Макаревич
, …
Bruce Waddington
3
10:06 PM
Very large intermittent mounting error
As Brian has pointed out, the large, abrupt RA excursions seen in the GA run are show-stoppers.
unread,
Very large intermittent mounting error
As Brian has pointed out, the large, abrupt RA excursions seen in the GA run are show-stoppers.
10:06 PM
Elusive Photons
8:59 PM
Optimizing my phd2 guiding parameters (Paramount MX & PHD2)
Hello, First thing is first, my log files: https://openphdguiding.org/logs/dl/PHD2_logs_rd2K.zip I
unread,
Optimizing my phd2 guiding parameters (Paramount MX & PHD2)
Hello, First thing is first, my log files: https://openphdguiding.org/logs/dl/PHD2_logs_rd2K.zip I
8:59 PM
rbote...@gmail.com
, …
Brian Valente
51
3:09 PM
Lost star depending on imaging software? Low PC resources?
If I survive Discord, I will. Thank you again for your help (and patience) Brian! Roberto On Wed, 23
unread,
Lost star depending on imaging software? Low PC resources?
If I survive Discord, I will. Thank you again for your help (and patience) Brian! Roberto On Wed, 23
3:09 PM
John Walsh
,
Brian Valente
2
12:19 PM
Severe RA & DEC spikes
Hi John please upload your guide and debug logs using the built in log uploader: https://
unread,
Severe RA & DEC spikes
Hi John please upload your guide and debug logs using the built in log uploader: https://
12:19 PM
Dennis Miller
, …
Bruce Waddington
11
11:27 AM
Rate not fast enough
Thanks again, Brian. Had an interesting session last night with SNR all over the place but no
unread,
Rate not fast enough
Thanks again, Brian. Had an interesting session last night with SNR all over the place but no
11:27 AM
Tom
, …
Bruce Waddington
11
Oct 22
Can't get guiding to work properly on home made Harmonic mount
I don't know anything about how your mount is constructed. Look at the star-cross test result. Do
unread,
Can't get guiding to work properly on home made Harmonic mount
I don't know anything about how your mount is constructed. Look at the star-cross test result. Do
Oct 22
Paul E
, …
Peter Berbee
4
Oct 22
Backlash / Stiction or Mechanical issue - AVX Mount
Hi, This doesn't sound like a DEC axis issue. When tracking, the DEC axis does not rotate. Only
unread,
Backlash / Stiction or Mechanical issue - AVX Mount
Hi, This doesn't sound like a DEC axis issue. When tracking, the DEC axis does not rotate. Only
Oct 22
Tom
,
Bruce Waddington
2
Oct 22
Horrible guiding...
If we confine our analysis to the 35-min guiding session beginning at 22:09, then yes, those results
unread,
Horrible guiding...
If we confine our analysis to the 35-min guiding session beginning at 22:09, then yes, those results
Oct 22
Tan usa1
,
Bruce Waddington
3
Oct 22
Guider shift rate setting?
Thanks. Disabled comet tracking! Never realized thats what NINA was changing!! On Mon, Oct 21, 2024
unread,
Guider shift rate setting?
Thanks. Disabled comet tracking! Never realized thats what NINA was changing!! On Mon, Oct 21, 2024
Oct 22
Don Waters
, …
Brian Valente
7
Oct 21
Guiding Assistant
I'll send a photo when my mount comes back from Celestron. Thanks for the support. "
unread,
Guiding Assistant
I'll send a photo when my mount comes back from Celestron. Thanks for the support. "
Oct 21
L
, …
Brian Valente
16
Oct 21
AP900GTO issue with PHD2
Thank you for the help. I called AP. Will report result of that call here. On Monday, October 21,
unread,
AP900GTO issue with PHD2
Thank you for the help. I called AP. Will report result of that call here. On Monday, October 21,
Oct 21
Pict...@earthlink.net
, …
dridge3770
12
Oct 20
Calibrate AO Only?
Thank you! Sent from my Galaxy -------- Original message -------- From: Bruce Waddington <bw_msg01
unread,
Calibrate AO Only?
Thank you! Sent from my Galaxy -------- Original message -------- From: Bruce Waddington <bw_msg01
Oct 20
Cesar Delgado
,
Patrick Chevalley
4
Oct 20
Not seeing ZWO or Touptek cameras
Stellarmate is on an older version of Debian so there are some little snags when compiling PHD2 for
unread,
Not seeing ZWO or Touptek cameras
Stellarmate is on an older version of Debian so there are some little snags when compiling PHD2 for
Oct 20
Don Waters
, …
mj.w...@gmail.com
6
Oct 20
Can not calibrate - logs attched
Thank you for your well-wishes. On Sunday, October 20, 2024 at 4:49:17 AM UTC-5 mj.w...@gmail.com
unread,
Can not calibrate - logs attched
Thank you for your well-wishes. On Sunday, October 20, 2024 at 4:49:17 AM UTC-5 mj.w...@gmail.com
Oct 20
Alireza Karimi
,
Bruce Waddington
2
Oct 18
gem28 guiding problem
You've got a lot of operational problems here and you're running on a PHD2 release that's
unread,
gem28 guiding problem
You've got a lot of operational problems here and you're running on a PHD2 release that's
Oct 18
Clayton Yendrey
,
Bruce Waddington
5
Oct 17
PHD2 Guide Instability
I think the two problems are probably correlated. By that, I mean that eliminating the static
unread,
PHD2 Guide Instability
I think the two problems are probably correlated. By that, I mean that eliminating the static
Oct 17
Jens Scheidtmann
,
Bruce Waddington
2
Oct 16
Is there an easy way to measure RA backlash with PHD2?
Based on the GSS dialog, I would say you are very much down in the weeds with this mount and I don
unread,
Is there an easy way to measure RA backlash with PHD2?
Based on the GSS dialog, I would say you are very much down in the weeds with this mount and I don
Oct 16
Dale Ouimette
, …
jetblast7
20
Oct 16
Camera Profile Issues
Well.....having looked at a similar thread over on the ZWO forum, the secret to successful profiles.
unread,
Camera Profile Issues
Well.....having looked at a similar thread over on the ZWO forum, the secret to successful profiles.
Oct 16
Bart G
, …
Bruce Waddington
4
Oct 15
problem with corrections in Dec
You've got a bad setting in PHD2 for 'Reverse Dec output after meridian flip'. With the
unread,
problem with corrections in Dec
You've got a bad setting in PHD2 for 'Reverse Dec output after meridian flip'. With the
Oct 15
David Ridge
, …
Bruce Waddington
27
Oct 15
Flummoxed -- guiding well two nights ago, failed last night
the school of hard knocks is an interesting way to achieve experience -- but then I've had a
unread,
Flummoxed -- guiding well two nights ago, failed last night
the school of hard knocks is an interesting way to achieve experience -- but then I've had a
Oct 15
Mike Gilchrist
, …
Rick Cohen
6
Oct 14
NEW TO THE FORUM
I started with a Celestron Advanced AVX. Got frustrated. Bought an iOptron GEM28. Still frustrated.
unread,
NEW TO THE FORUM
I started with a Celestron Advanced AVX. Got frustrated. Bought an iOptron GEM28. Still frustrated.
Oct 14
Don Waters
, …
George Shoup
4
Oct 14
Selection of Guide Camera
Great tips and rules of thumb. George Sent from my iPhone On Oct 14, 2024, at 8:46 AM, Brian Valente
unread,
Selection of Guide Camera
Great tips and rules of thumb. George Sent from my iPhone On Oct 14, 2024, at 8:46 AM, Brian Valente
Oct 14
macd...@yahoo.com
,
mj.w...@gmail.com
5
Oct 14
Was the moon too close?
1. "The only thing I eventually changed was the orientation of my imaging train when I couldn
unread,
Was the moon too close?
1. "The only thing I eventually changed was the orientation of my imaging train when I couldn
Oct 14
michael_...@yahoo.com
, …
Brian Valente
6
Oct 13
Completely Baffled
Maybe you can examine the view port and compare it to the distance from the guide camera. My guess is
unread,
Completely Baffled
Maybe you can examine the view port and compare it to the distance from the guide camera. My guess is
Oct 13
Don Waters
Oct 13
Guide Logs from last night.
I have attached the link to my logfiles in the attached Word document. My computer will not paste the
unread,
Guide Logs from last night.
I have attached the link to my logfiles in the attached Word document. My computer will not paste the
Oct 13
Piyush Shewani
,
Bruce Waddington
4
Oct 12
Abrupt guding in the RA axis.
This doesn't have anything to do with "settings", it's the behavior of the mount.
unread,
Abrupt guding in the RA axis.
This doesn't have anything to do with "settings", it's the behavior of the mount.
Oct 12
michael_...@yahoo.com
Oct 12
Image for above post
from Michael
unread,
Image for above post
from Michael
Oct 12
Don Waters
,
Bruce Waddington
2
Oct 11
CA and PEC
PHD2 calibration doesn't know or care about PEC or gear positions, it is simply measuring how the
unread,
CA and PEC
PHD2 calibration doesn't know or care about PEC or gear positions, it is simply measuring how the
Oct 11
Clayton Yendrey
, …
Bruce Waddington
24
Oct 11
QHY5III462M - no 16 bit option?
Logs from last night. https://openphdguiding.org/logs/dl/PHD2_logs_wCCz.zip QHY ASCOM driver was,
unread,
QHY5III462M - no 16 bit option?
Logs from last night. https://openphdguiding.org/logs/dl/PHD2_logs_wCCz.zip QHY ASCOM driver was,
Oct 11
Don Waters
,
mj.w...@gmail.com
3
Oct 11
Log file
Yes. n. B. I ran CA several times in a row and got widely different results. I don't understand
unread,
Log file
Yes. n. B. I ran CA several times in a row and got widely different results. I don't understand
Oct 11