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Posts posted by tutting
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On 03/11/2021 at 03:40, 900SL said:
Dust on the flattener or sensor
I use a puffer on my flattener and sensor before any session. I also run the Nikon 'clean sensor' menu option.
And flats. I've found out the hard way that telescope assemblies are more prone to dust artifacts than prime lenses
Thank you
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On 02/11/2021 at 23:09, Adam J said:
It's dust close to the camera, probably inside the DSLR on the front filter.
Many thanks, i'll take a look
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1 minute ago, Snoani said:
Hi Tutting
To be honest, to me it does look like dust or artefacts within your image train. Did you take any flat frames for this image as this would confirm whether it is or not?
Jem
Thanks for your reply Jem, unfortunately I didn't take flats on this occasion it was far too late and I ran out of time. I am imaging at the moment and will try to take some as I finish....
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Hi All,
As the title says, I've just used my new ED72 DS-Pro paired with the OVL flattener and my Nikon D5300 to take some images of M45 and noticed some weird circular patches. The stars inside the patches seem to be fine so I don't think it's dust. Looking through the OTA I don't see anything on the glass and the OVL looks ok too. I should point out I do not have this issue when using my normal DSLR lenses. Does the ED72 have a coating on the glass, is it something to do with that maybe?
Any help greatly appreciated at this is my first time using an OTA (been using camera lenses up to now)Thanks in advance
'tutting' -
Hi All,
Just found the SGL and joined to learn about astro-photography. As a beginner to this, I'm looking to use a Star Adventurer Pro with a DLSR to take my first steps...
Regards,'tutting'
Nocturnal Nightmare - The magical movement of M31
in Getting Started With Imaging
Posted
Hi all, looking for some guidance on what I've done wrong in my last imaging session.
Background info: equipment used, Star Adventurer tracker, ED72 scope & D5300 DSLR.
Setup steps: level tripod, polar align (using SharpCap), tracking speed set to star, 90 second exposures
As you can see from the 3 images my target of M31 has drifted across my frame over the course of the session approx. 2hrs (red box is center on all images)
I've used this setup several times and not had this issue before, can somebody give me any info on what might have gone wrong in this session please?
Many thanks.