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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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Steven Zuhoski
,
Bruce Waddington
2
Jul 25
Look for Some Advice on Guiding Improvement
I think we need to have more information about your setup. Are you using an OAG for guiding? Can you
unread,
Look for Some Advice on Guiding Improvement
I think we need to have more information about your setup. Are you using an OAG for guiding? Can you
Jul 25
eyedoc1000
,
Bruce Waddington
2
Jul 25
Updated PHD2 and my Meade drivers for DSI II guide camera disappeared
Here are the release notes for 2.6.13dev1: v2.6.13dev1 27 December 2023 Windows: remove cameras with
unread,
Updated PHD2 and my Meade drivers for DSI II guide camera disappeared
Here are the release notes for 2.6.13dev1: v2.6.13dev1 27 December 2023 Windows: remove cameras with
Jul 25
Fran Doherty
, …
Brian Valente
33
Jul 25
Guiding
Fran it's not an issue of guide camera compared with imaging camera One of the important
unread,
Guiding
Fran it's not an issue of guide camera compared with imaging camera One of the important
Jul 25
John Pappas
, …
Bruce Waddington
9
Jul 25
PHD Crashing After Dither
Update to this thread: I have not done anything other than switch from PPEC to Hysteresis and my
unread,
PHD Crashing After Dither
Update to this thread: I have not done anything other than switch from PPEC to Hysteresis and my
Jul 25
Panagiotis Papadakos
,
Bruce Waddington
3
Jul 25
PHD2, PA and mount ticks optimization (mesu-200 friction mount)
Thank you for the detailed reply Bruce! I will follow your advice and check out the tracking of the
unread,
PHD2, PA and mount ticks optimization (mesu-200 friction mount)
Thank you for the detailed reply Bruce! I will follow your advice and check out the tracking of the
Jul 25
Boris Stromar
, …
Brian Valente
11
Jul 25
PHD2 baseline measurements instructions
Just one more thing I wanted to mention - this file is meant to be freely available for everyone and
unread,
PHD2 baseline measurements instructions
Just one more thing I wanted to mention - this file is meant to be freely available for everyone and
Jul 25
Julien T
, …
bw_m...@earthlink.net
6
Jul 23
Lot of lost stars
IMO, the .fit image you sent had no real stars in it. So that's the problem you will need to
unread,
Lot of lost stars
IMO, the .fit image you sent had no real stars in it. So that's the problem you will need to
Jul 23
Sunshine Man
, …
Brian Valente
11
Jul 23
EQMOD+PHD2 issues?
>> if you have any suggestions on what/how to fix these comm errors itd be greatly appreciated
unread,
EQMOD+PHD2 issues?
>> if you have any suggestions on what/how to fix these comm errors itd be greatly appreciated
Jul 23
Jim Miller
, …
Bruce Waddington
11
Jul 23
New issue with no declination movement with EM-200
The Guiding Assistant recommended 10 and 20 Min/move for RA and Dec respectively, but much better
unread,
New issue with no declination movement with EM-200
The Guiding Assistant recommended 10 and 20 Min/move for RA and Dec respectively, but much better
Jul 23
Stephen Martin
, …
Brian Valente
7
Jul 22
PulseGuide command to mount has failed
Stephen >>> I suspect then its a communications issue with either the EQDir cable or the PC
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PulseGuide command to mount has failed
Stephen >>> I suspect then its a communications issue with either the EQDir cable or the PC
Jul 22
macd...@yahoo.com
,
Brian Valente
18
Jul 21
Help improving guiding
Thank you again, Brian. Lost guide stars are one reason I am working with a guide scope instead of an
unread,
Help improving guiding
Thank you again, Brian. Lost guide stars are one reason I am working with a guide scope instead of an
Jul 21
francesco megli
,
Brian Valente
5
Jul 21
Guiding with Player One Mars II
Ok, sorry for a simple typing error....I refer to Losmandy G-11 mount, manual, dating back to
unread,
Guiding with Player One Mars II
Ok, sorry for a simple typing error....I refer to Losmandy G-11 mount, manual, dating back to
Jul 21
Sid Frede
,
Bryan
2
Jul 17
CGX-l Calibration
To get help with PHD2, please upload your log files - here's how: How to ask for help with PHD2.
unread,
CGX-l Calibration
To get help with PHD2, please upload your log files - here's how: How to ask for help with PHD2.
Jul 17
Reid Smythe
,
bw_m...@earthlink.net
4
Jul 17
PHD2 and 'step' guiding
Sounds good, let me know if you need any help. We have a MountExerciser tool that can mimic what PHD2
unread,
PHD2 and 'step' guiding
Sounds good, let me know if you need any help. We have a MountExerciser tool that can mimic what PHD2
Jul 17
Santhosh Palani
, …
bw_m...@earthlink.net
7
Jul 16
Calibration issue
Thanks Bruce and Chuck. I will give this a try. On Tue, Jul 16, 2024, 7:34 PM <bw_msg01@earthlink.
unread,
Calibration issue
Thanks Bruce and Chuck. I will give this a try. On Tue, Jul 16, 2024, 7:34 PM <bw_msg01@earthlink.
Jul 16
Felipe Mendes
,
bw_m...@earthlink.net
2
Jul 16
Correction on the manual
We're not going to try to deal with wholesale edits to the documentation. Whenever that's
unread,
Correction on the manual
We're not going to try to deal with wholesale edits to the documentation. Whenever that's
Jul 16
Tom Horner
, …
Bruce Waddington
14
Jul 15
Guiding is very sporadic
Thanks for the time to evaluate and comment. Greatly appreciated. Tom On Sunday, July 14, 2024 at 9:
unread,
Guiding is very sporadic
Thanks for the time to evaluate and comment. Greatly appreciated. Tom On Sunday, July 14, 2024 at 9:
Jul 15
michael_...@yahoo.com
, …
David Ridge
3
Jul 15
screen gamma brightness
Focus issue? From: 'michael_...@yahoo.com' via Open PHD Guiding <open-phd-guiding@
unread,
screen gamma brightness
Focus issue? From: 'michael_...@yahoo.com' via Open PHD Guiding <open-phd-guiding@
Jul 15
Eric Brotman
,
Bruce Waddington
2
Jul 13
Guiding Crashes - bad Meridian Flip?
Judging from the guide logs, the meridian flip isn't happening at all. You can see this for
unread,
Guiding Crashes - bad Meridian Flip?
Judging from the guide logs, the meridian flip isn't happening at all. You can see this for
Jul 13
Rick Slan
,
bw_m...@earthlink.net
4
Jul 13
The application was unable to start correctly 0xc000007b 2.6.13dev4
Glad you got it working. Yes, the problem with the current installer for our dev releases is that
unread,
The application was unable to start correctly 0xc000007b 2.6.13dev4
Glad you got it working. Yes, the problem with the current installer for our dev releases is that
Jul 13
Free Mind
,
Bruce Waddington
2
Jul 12
My RA is acting strangely
It's hard to diagnose specific hardware problems using just a guide log but it looks like there
unread,
My RA is acting strangely
It's hard to diagnose specific hardware problems using just a guide log but it looks like there
Jul 12
Dave D'Epagnier
,
bw_m...@earthlink.net
2
Jul 12
RMS error doesn't update on history graph when changing x-axis span
No, there's no setting, that's pretty much just how it works. It will adjust the stats if you
unread,
RMS error doesn't update on history graph when changing x-axis span
No, there's no setting, that's pretty much just how it works. It will adjust the stats if you
Jul 12
David Ridge
Jul 12
erratic guiding? possible simple fix
I won't name names but a fellow I know personally was having erratic guiding after having some
unread,
erratic guiding? possible simple fix
I won't name names but a fellow I know personally was having erratic guiding after having some
Jul 12
John Adastra
,
pollya...@gmail.com
2
Jul 12
PHD2 2.6.13 can't find QHY294MM camera
Hello John, I'm more or less a beginner, but this QHY camera issue seems pretty common. I think
unread,
PHD2 2.6.13 can't find QHY294MM camera
Hello John, I'm more or less a beginner, but this QHY camera issue seems pretty common. I think
Jul 12
Carbon Dax
, …
bw_m...@earthlink.net
7
Jul 12
Dec is running away when in Pier West
Yes. Probably the best instructions would be to run the new-profile-wizard, build the dark libraries
unread,
Dec is running away when in Pier West
Yes. Probably the best instructions would be to run the new-profile-wizard, build the dark libraries
Jul 12
JerryBx
,
Bruce Waddington
4
Jul 10
PHD2 amazing guiding????
Thanks for the response Bruce. The "Bad Profile Orion.phd" without focal length is
unread,
PHD2 amazing guiding????
Thanks for the response Bruce. The "Bad Profile Orion.phd" without focal length is
Jul 10
David Ridge
,
Bruce Waddington
3
Jul 9
multiple lost guide star messages requiring manual intervention
Thank you! More fun under the stars 🤔 Sent from my Galaxy -------- Original message -------- From:
unread,
multiple lost guide star messages requiring manual intervention
Thank you! More fun under the stars 🤔 Sent from my Galaxy -------- Original message -------- From:
Jul 9
al.m...@blueyonder.co.uk
,
bw_m...@earthlink.net
6
Jul 9
Dev4 won't run on old 32 bit Win 10 machine
Thanks, Bruce. Advice much appreciated. I am a little confused, however, because I thought the x86 in
unread,
Dev4 won't run on old 32 bit Win 10 machine
Thanks, Bruce. Advice much appreciated. I am a little confused, however, because I thought the x86 in
Jul 9
Robert Twarogal
,
Bruce Waddington
2
Jul 9
Problem with the pulse guide,
The pulse-guide failure happens because the guide command isn't being completed by the mount
unread,
Problem with the pulse guide,
The pulse-guide failure happens because the guide command isn't being completed by the mount
Jul 9
Max Romanchenko
,
Bruce Waddington
4
Jul 9
Huge error in DEC on polar-aligned SWSA
Glad you figured it out, thanks for letting us know. Now maybe you can move beyond ST-4 guiding... :-
unread,
Huge error in DEC on polar-aligned SWSA
Glad you figured it out, thanks for letting us know. Now maybe you can move beyond ST-4 guiding... :-
Jul 9