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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Doug, here is a table that might help. Otherwise Peter Zelinka on You Tube explains the formula in his video choosing your first dedicated astronomy camera.
Doug, here is a table that might help. Otherwise Peter Zelinka on You Tube explains the formula in his video choosing your first dedicated astronomy camera.
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By
Harry
· #9225
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Thank you all for your help, I will try switch guiding from my guide scope (162 mm) to my imaging scope (480) and see if guiding improves next time I have clear skies. That will give my a pixel scale
Thank you all for your help, I will try switch guiding from my guide scope (162 mm) to my imaging scope (480) and see if guiding improves next time I have clear skies. That will give my a pixel scale
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By
Walter Vinci
· #9224
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hey Doug, The formula is:pixel size (microns) x 206.3 /focal length in mm = image scale in arcsec/pixel 206.3 results out of:3.6 * (180 degrees / pi) = 3600/1000 * (180 degrees / pi) = 206.26 Doug Doo
Hey Doug, The formula is:pixel size (microns) x 206.3 /focal length in mm = image scale in arcsec/pixel 206.3 results out of:3.6 * (180 degrees / pi) = 3600/1000 * (180 degrees / pi) = 206.26 Doug Doo
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By
Andreas Volz
· #9223
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Jerry, Where does the 206.3 in your formula come from, and what are its units? Doug
Jerry, Where does the 206.3 in your formula come from, and what are its units? Doug
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By
Doug Doonan
· #9222
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Walter, Yes, I would suggest a 2x Barlow or tele-extender instead of a 3x. The formula for pixel or plate scale is: Pixel Scale = (Pixel Size x 206.3) / FL, So for your combination: Pixel Scale = (
Hi Walter, Yes, I would suggest a 2x Barlow or tele-extender instead of a 3x. The formula for pixel or plate scale is: Pixel Scale = (Pixel Size x 206.3) / FL, So for your combination: Pixel Scale = (
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By
Jerry Hubbell - Explore Scientific VP Engineering
· #9218
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Doug, That would work if you get get the camera to the focus position with the Barlow or tele-extender. I would suggest trying it at 2x instead of 3x.
Hi Doug, That would work if you get get the camera to the focus position with the Barlow or tele-extender. I would suggest trying it at 2x instead of 3x.
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By
Jerry Hubbell - Explore Scientific VP Engineering
· #9217
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Jerry, Thanks for looking at the logs. I went for the Orion guiding package because of its popularity. I thought it would be more than enough to guide my ED 80 at a 2 arc-sec/pixel imaging scale, b
Hi Jerry, Thanks for looking at the logs. I went for the Orion guiding package because of its popularity. I thought it would be more than enough to guide my ED 80 at a 2 arc-sec/pixel imaging scale, b
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By
Walter Vinci
· #9216
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Jerry and Walter, Would it be possible to use a 3X Barlow in the guiding scope to increase the guiding to the 2 to3 arc-seconds you suggest? Doug Doonan
Hi Jerry and Walter, Would it be possible to use a 3X Barlow in the guiding scope to increase the guiding to the 2 to3 arc-seconds you suggest? Doug Doonan
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By
Doug Doonan
· #9215
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
By
duker@...
· #9214
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Walter, I am just starting to look at your guide log, but I did notice that your guide camera (an Orion Starshoot Autoguider) with a 5.8 um pixel coupled with your very short focal length guide sco
Hi Walter, I am just starting to look at your guide log, but I did notice that your guide camera (an Orion Starshoot Autoguider) with a 5.8 um pixel coupled with your very short focal length guide sco
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By
Jerry Hubbell - Explore Scientific VP Engineering
· #9213
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3-4" RA wiggling while PHD2 guiding with EXOS2-GT PMC-eight
#EXOS2
#astrophotography
Hi Everyone, I am pretty new to the hobby, jus went out a few times with my EXOS2-GT PMC-eight. My first struggle with this mount was a ~ 3-4" wiggling in RA I could not get rid of. RA basically kept
Hi Everyone, I am pretty new to the hobby, jus went out a few times with my EXOS2-GT PMC-eight. My first struggle with this mount was a ~ 3-4" wiggling in RA I could not get rid of. RA basically kept
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By
Walter Vinci
· #9212
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Parag Nice image! My guess is APT stopped at meridian. Look into that. Wes
Parag Nice image! My guess is APT stopped at meridian. Look into that. Wes
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By
Wes Mcdonald
· #9211
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
My first DSO with iEXOS-100 and just a DSLR unguided. Stack of 55 images 60 sec at 500 ISO and f/8. Very happy with this little mount! Thank you for this forum members for providing guidance to a tota
My first DSO with iEXOS-100 and just a DSLR unguided. Stack of 55 images 60 sec at 500 ISO and f/8. Very happy with this little mount! Thank you for this forum members for providing guidance to a tota
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By
Parag Modi
· #9210
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Thanks Ian !! I will try out your tips on this image, and will re-post once done !! Thanks for the help !!
Thanks Ian !! I will try out your tips on this image, and will re-post once done !! Thanks for the help !!
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By
Derrell Oliver
· #9131
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Thanks Wes !! I was using my AT80ED with 560 FL and a 0.80 field flattener/focal reducer, so it should work out to 448 FL. I had to over expose Jupiter a little to get the Galilean Moons & Saturn's ri
Thanks Wes !! I was using my AT80ED with 560 FL and a 0.80 field flattener/focal reducer, so it should work out to 448 FL. I had to over expose Jupiter a little to get the Galilean Moons & Saturn's ri
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By
Derrell Oliver
· #9130
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Edited
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Dear Derril, this image shows the outer parts of the nebula far better that any I have taken (very well done) but, as you rightly say, the central part of the nebula is over exposed so that the trapez
Dear Derril, this image shows the outer parts of the nebula far better that any I have taken (very well done) but, as you rightly say, the central part of the nebula is over exposed so that the trapez
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By
Ian Morison
· #9124
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Ohhhhh. Nice. What focal length? Nice
Ohhhhh. Nice. What focal length? Nice
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By
Wes Mcdonald
· #9123
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Hey Guys, Here is my shot of the Jupiter Saturn conjunction, 1 minute video, 1541 frames, with ZWO ASI120mc-s camera
Hey Guys, Here is my shot of the Jupiter Saturn conjunction, 1 minute video, 1541 frames, with ZWO ASI120mc-s camera
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By
Derrell Oliver
· #9122
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
T Get Outlook for Android
T Get Outlook for Android
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By
ooslab
· #9121
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Astrophotography Done with the iEXOS-100, EXOS 2, and G11 Post your Pictures and Details! Lets Show What These Mounts Can Do.
#G11
#astrophotography
#iEXOS-100
#EXOS2
Yes Tim that fixed that
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Wes Mcdonald
· #9120
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