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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
.
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Richard A
, …
Rick Cohen
5
7:23 PM
Camera Recognition
For that camera, it looks like you need the latest BETA version. It's the only one that supports
unread,
Camera Recognition
For that camera, it looks like you need the latest BETA version. It's the only one that supports
7:23 PM
Georg Nikolaus Nyman
, …
Brian Valente
6
5:19 PM
Recommendations for 2800mm focal length RS12" with ASI 290 as guide cam (FL=328mm)
Georg pointing accuracy through power cycles is not necessarily an indicator of the type of encoder.
unread,
Recommendations for 2800mm focal length RS12" with ASI 290 as guide cam (FL=328mm)
Georg pointing accuracy through power cycles is not necessarily an indicator of the type of encoder.
5:19 PM
Gianluca Rossi
,
Bruce Waddington
2
11:25 AM
RA guiding error
Hi Gianluca. Your mount has a somewhat common problem that produces a significant tracking error
unread,
RA guiding error
Hi Gianluca. Your mount has a somewhat common problem that produces a significant tracking error
11:25 AM
Adina Fetche
, …
Brian Valente
20
May 17
Help needed regarding SW AZ-EQ6 mount
Well, I was a bit disappointed with the initial message I received, and not because of mechanics or
unread,
Help needed regarding SW AZ-EQ6 mount
Well, I was a bit disappointed with the initial message I received, and not because of mechanics or
May 17
Bill Golladay
,
Bruce Waddington
2
May 14
Multistar guiding issue with N.I.N.A.
Hi Bill. I think this all comes back to a setting you made in NINA. Both NINA and PHD2 are working
unread,
Multistar guiding issue with N.I.N.A.
Hi Bill. I think this all comes back to a setting you made in NINA. Both NINA and PHD2 are working
May 14
fernando...@gmail.com
, …
Bruce Waddington
4
May 14
Camera and PHD2
Thanks Bruce and Bryan! I will check the User Guide. By the way, I just love PhD2, a fantastic, and
unread,
Camera and PHD2
Thanks Bruce and Bryan! I will check the User Guide. By the way, I just love PhD2, a fantastic, and
May 14
Mark McComiskey
, …
Bruce Waddington
50
May 14
Progress and Questions
Okay, thanks. I saw the same thing, or rather, didn't see the same thing, but wasn't sure if
unread,
Progress and Questions
Okay, thanks. I saw the same thing, or rather, didn't see the same thing, but wasn't sure if
May 14
Dominique DANIEL
, …
Bruce Waddington
13
May 14
New mount but bad results
Hi Bruce and Brian as promised I bring you the comparison between Hysteresis and PEC Predictive. The
unread,
New mount but bad results
Hi Bruce and Brian as promised I bring you the comparison between Hysteresis and PEC Predictive. The
May 14
Filippo bonfante
, …
Bruce Waddington
4
May 13
cant guide after meridian flip
thanks a lot!!! it makes sense because it's six months i've switched eqmod with GSS... great!
unread,
cant guide after meridian flip
thanks a lot!!! it makes sense because it's six months i've switched eqmod with GSS... great!
May 13
Philippe ANGERS
,
Bruce Waddington
2
May 11
Calibration failing or with weak results new Calibration assistant
It looks like your mount may have a large amount of dec backlash and you aren't using the
unread,
Calibration failing or with weak results new Calibration assistant
It looks like your mount may have a large amount of dec backlash and you aren't using the
May 11
Conrad Sanders
, …
mj.w...@gmail.com
8
May 11
PHD2 Error Message about DEC
Hi Conrad To flesh out the expert's comments: 1. Your first completed Cal took almost twice as
unread,
PHD2 Error Message about DEC
Hi Conrad To flesh out the expert's comments: 1. Your first completed Cal took almost twice as
May 11
astro...@gmail.com
,
Bruce Waddington
7
May 8
Voyager unable to start calibration
Thanks Bruce. That is correct. I was not aware this was occurring as you describe. I was wondering
unread,
Voyager unable to start calibration
Thanks Bruce. That is correct. I was not aware this was occurring as you describe. I was wondering
May 8
dcra...@comcast.net
, …
Bruce Waddington
6
May 8
wish to manual set declination for each target
Ironically – and unfortunately – this feature was accidentally broken in the 2.6.13 release of PHD2.
unread,
wish to manual set declination for each target
Ironically – and unfortunately – this feature was accidentally broken in the 2.6.13 release of PHD2.
May 8
steve
,
Patrick Chevalley
3
May 8
native asi drivers not available after upgrade to 2.6.13dev3
OK Patrick. NP. I'll go with the3 INDI camera option. Thanks for your prompt reply and your
unread,
native asi drivers not available after upgrade to 2.6.13dev3
OK Patrick. NP. I'll go with the3 INDI camera option. Thanks for your prompt reply and your
May 8
Steven Bellavia
, …
Brian Valente
10
May 7
Windows and USB Power Saver
Thanks Brian and Bruce. This is all valuable information. I think we paid $99 for one of the mini
unread,
Windows and USB Power Saver
Thanks Brian and Bruce. This is all valuable information. I think we paid $99 for one of the mini
May 7
Jim Mitzas
, …
Bryan
16
May 7
Guiding issues after meridian flip
Hi Bryan, Oh yes my apologies and thanks for all your help Brian! On Monday, May 6, 2024 at 10:25:46
unread,
Guiding issues after meridian flip
Hi Bryan, Oh yes my apologies and thanks for all your help Brian! On Monday, May 6, 2024 at 10:25:46
May 7
mvastro
,
Bruce Waddington
2
May 4
Knowledge question about PPEC algorithm and non-integer harmonics
It's probably feasible to add terms to the correction curve but it would present significant
unread,
Knowledge question about PPEC algorithm and non-integer harmonics
It's probably feasible to add terms to the correction curve but it would present significant
May 4
John Natale
, …
Brian Valente
10
May 4
Poor guiding with 5-min subs and OAG- help requested
John The two questions about calibration are handled when you use the calibration assistant. you
unread,
Poor guiding with 5-min subs and OAG- help requested
John The two questions about calibration are handled when you use the calibration assistant. you
May 4
Jim Pollard
, …
mj.w...@gmail.com
9
May 4
Spiked guiding all of a sudden
Hi Jim 1. You could Bin your guidecam to help improve the sensitivity, and so reduce the number of
unread,
Spiked guiding all of a sudden
Hi Jim 1. You could Bin your guidecam to help improve the sensitivity, and so reduce the number of
May 4
Dewy Frank
, …
Brian Valente
11
May 2
How can this guiding be improved? CEM60 and ASI120MM-mini
Thanks for the update Dewy We appreciate that you took the time to post the fix, so others can
unread,
How can this guiding be improved? CEM60 and ASI120MM-mini
Thanks for the update Dewy We appreciate that you took the time to post the fix, so others can
May 2
William Ryan
, …
Brian Valente
7
May 2
Question about Failed Comms w/ Mount for Guidepulse
>>> So park and such should work unless something really goes wrong with comms. shhhh,....
unread,
Question about Failed Comms w/ Mount for Guidepulse
>>> So park and such should work unless something really goes wrong with comms. shhhh,....
May 2
Jeff Ratino
,
mj.w...@gmail.com
4
May 2
No longer have an image with ASI290mm
According to the GuideLog, PHD2 Calibrated and guided. Did you try adjusting the gamma slider under
unread,
No longer have an image with ASI290mm
According to the GuideLog, PHD2 Calibrated and guided. Did you try adjusting the gamma slider under
May 2
Howard Maron
, …
mccom...@gmail.com
9
May 2
Using the main Imaging Camera and PHD2 to Assess Need to Guide
I like that. I will need to give that a try. From: open-phd...@googlegroups.com <open-phd-
unread,
Using the main Imaging Camera and PHD2 to Assess Need to Guide
I like that. I will need to give that a try. From: open-phd...@googlegroups.com <open-phd-
May 2
Steven Zuhoski
, …
Bruce Waddington
5
May 1
Interrupting PHD2 Logs
Hi Bruce, Thanks for your reply. It took a quick glance at the PHD2 debug log for me to completely
unread,
Interrupting PHD2 Logs
Hi Bruce, Thanks for your reply. It took a quick glance at the PHD2 debug log for me to completely
May 1
Kent Roberts
, …
Brian Valente
4
May 1
New to guiding, are these results reasonable?
Whooops!!! My bad and apologies! On Wednesday, May 1, 2024 at 12:37:34 PM UTC-4 bval...@gmail.com
unread,
New to guiding, are these results reasonable?
Whooops!!! My bad and apologies! On Wednesday, May 1, 2024 at 12:37:34 PM UTC-4 bval...@gmail.com
May 1
Stuart Taylor
, …
Brian Valente
6
Apr 30
How do I arrange the panes?
Hi Stuart >>> seems odd that the star profile and star view are part of the same window. It
unread,
How do I arrange the panes?
Hi Stuart >>> seems odd that the star profile and star view are part of the same window. It
Apr 30
Michael Owen
, …
mj.w...@gmail.com
8
Apr 30
Back again.
Hi Michael O. Re: your Dithers. A 12 pixel Dither of the imaging camera is 12pixels x 2.33arcsec/
unread,
Back again.
Hi Michael O. Re: your Dithers. A 12 pixel Dither of the imaging camera is 12pixels x 2.33arcsec/
Apr 30
Santhosh Palani
,
Brian Valente
5
Apr 29
Guide scope and camera selection
Got it, really appreciate your help. On Mon, Apr 29, 2024, 1:30 PM Brian Valente <bvalente@gmail.
unread,
Guide scope and camera selection
Got it, really appreciate your help. On Mon, Apr 29, 2024, 1:30 PM Brian Valente <bvalente@gmail.
Apr 29
Suzanne Beers
, …
Bryan
5
Apr 28
Return home to N. Hemi from S. Hemi guiding is way off
Thank you! On Sun, Apr 28, 2024, 08:45 Bryan <bcas...@gmail.com> wrote: Suzanne The
unread,
Return home to N. Hemi from S. Hemi guiding is way off
Thank you! On Sun, Apr 28, 2024, 08:45 Bryan <bcas...@gmail.com> wrote: Suzanne The
Apr 28
Dewy Frank
,
bw_m...@earthlink.net
3
Apr 26
Why would mount not show up in wizard?
I would say the ASCOM driver for your mount is either absent or mis-installed. PHD2 simply shows a
unread,
Why would mount not show up in wizard?
I would say the ASCOM driver for your mount is either absent or mis-installed. PHD2 simply shows a
Apr 26