Any remote telescope service with camera rotation as an option for framing? - Forums

Topic starter

IOTD Staff

Jun 18, 2022

I’ve got a project that I’d like to complete which would require shooting at many different focal length… from 50mm to 4000mm I’m looking at remote telescope options for the deep field acquisition part.. problem is that I have not been able to find a one letting you select rotation angle as an option for framing. Can anyone point me in the right direction?

Kind regards,
Steeve

Ed Dixon

Jun 18, 2022

I think your main choices there will be wider field views and cropping after the fact. Many of these systems are quite high res so you may have some flexibility.

Torsten Mueller

Jun 21, 2022

Hi Steeve,
i dont think that field rotation is avail with the commercial remote observatories. Except, of course, with the big altaz telescopes. But then for a different reason.

The point is, you will not be able to get flats after your session to calibrate your image. These frames are normally taken by the hosts of the telescope.
So as Ed wrote, the best way would be to rotate & crop

CS
Torsten

Steeve Body

Topic starter

IOTD Staff

Jun 21, 2022

thanks for the reply folks. I actually have a rotator on my rig, and even though I do new flats every time I change angle I have noticed that my dust donuts are just not moving… and they have not in months… so I’m assuming that’s because they are on the flattener side pre rotator and not the filters/camera side. I understand how rotators can be a reliability issue with quality data / flats from these type of services… but I’m somewhat surprise that literally none offer the option… even for an additional fee…

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