2024 Field derotator for alt-az mount

Field derotator for alt-az mount

Author: cwcp

August undefined, 2024

WebThe biggest flaw of an alt-az system is field rotation which you have correctly addressed with an additional rotator. In principle this can work, but you now have 3 axis instead of … WebJul 22, 2024 · My main reason for designing and building a field derotator is because I like alt-az mounts and really, really dislike equatorial mounts (see previous paragraph). My …

Short exposure Alt-Az Astrophotography - learn how to …

WebJul 22, 2024 · Of course, things change as I gain more experience with astrophotography. I have since moved from alt-az mounts to equatorial mounts: Astro-physics Mach1GTO and AP1100AE. These excellent … WebA field derotator may be used to counteract the field rotation caused by using an alt-as mount, and that is usually the solution employed with large telescopes. Another option is … finding my septic tank

C.Y. Tan

WebAug 9, 2024 · Posted 27 August 2024 - 03:32 AM. The Stellina (all in one scope) is a small scope (80 mm) on an alt-az Mount with a built-in field de-rotator. The Stellina falls in between what is considered EAA (with near-real time observing goals) and astrophotography (with best quality image goal). WebAnswer (1 of 6): Yes, with the equipment you have. I’ll explain how below. You have some good answers, but there is some more that you need to know. Excellent long exposure images can be achieved on a an alt-az mount with tracking, without a derotation device. The key is to get the exposure tim... WebMay 21, 2024 · Page 2 of 3 - leveling a Ioptron ALT AZ pro mount - posted in Mounts: I was vague at first so they wrote back and asked me, I mentioned pec,autoguider support, and robustness to allow tilt for gem use like they had in their earlier cube series…. My guess is the mount is just too underbuilt for its weight class to support that….. and finally at the … eq2 raw rawhide leather

Alt/Az tracking near zenith - Cloudy Nights

Field derotator for alt-az mount

WebJun 12, 2024 · Alt/Az tracking near zenith - posted in Celestron Computerized Telescopes: I was attempting 20 second subs on M83 tonight which happened to be very close to the zenith (Alt 86 degrees). ... (unless you have a field derotator, and even a good one is probably not going to give great results very close to zenith). Without a derotator, there's ... WebFeb 27, 2024 · Away from these extremes both RA and DEC corrections increase. Meade developed a field derotator for it's 16" SCT LX200s to compensate (crudely) for field rotation, that's why they have an extra port for a field rotator on their panels. Today Pxyis makes a fine rotator many Alt-Az mount users find quite reliable.

Did you know?

WebAlt-Az Derotation Server Software Installer: OptecAltAzServerSetup (2.0.4) .zip. Windows 32-bit (release date: 2024/06/27) Installer program for Optec AltAz Derotation Server and Control application. ASCOM Field De-rotation local server application for use of the Pyxis rotators in Alt-Azimuth telescope configuration. WebJul 22, 2024 · The limitation of an alt-az mount is exposure time. What you can get away with will depend on the object's position in the sky, but 30 seconds is, on average, the maximum you can expect before field rotation becomes visible. It is not affected by focal length, since the number of degrees that the target rotates is the same at any focal length ...

WebField rotation is the reason for not taking long exposure astrophotos with basic Alt-Az mounts. But if you understand field rotation, you can work your way around it and get all the advantages of the Alt-Az mount. When the … WebFeb 23, 2024 · tracking - posted in Mounts: hellothe motion of a star in the sky is perfectly known once coordinates and time of the observer are knowna part from the field rotation which , by the way is also perfectly known, I wonder why many people claim or at least doubt that is not possible to track for a long time an object with an AZ mount,even …

WebAn Alt-Az mount can track from East to West without any interruptions. Paired with a camera rotator that can rotate 360 degrees without interruptions it is possible to image from the object rises to the object … WebMay 21, 2024 · Page 1 of 2 - Just an observation on field rotation - posted in Electronically Assisted Astronomy (No Post-Processing): So after doing several shots and not really understanding the math I’ve had very good luck keeping stars round with my 102 f7 with 2.9 pixel cameras using sharpcap recommended values… example is when I …

WebApr 9, 2008 · on an Alt/Az mount without a field derotator or platform. Take a look at Johannes images and join in the chorus of "Myth busted!". Enjoy! Best Regards Gary Kopff Managing Director Wildcard Innovations Pty. Ltd. 20 Kilmory Place Mount Kuring-Gai NSW 2080 Australia Phone +61-2-9457-9049 Fax +61-2-9457-9593 sales@wildcard …

WebApr 27, 2024 · TTS-160 Panther rOTAtor - posted in Mounts: I recently learned about this alt-az mount and the interesting way in which it approaches astrophotography. It has an acesssory, which they call telescope rOTAator, that rotates the entire imaging rig to compensate for field rotation. This seems to solve many of the issues of tradicional field … eq2 redeeming qualitiesWebOct 3, 2024 · I do EAA and yes, it is possible to do EAA with Alt Az tracking mounts (since they track on both axis), however exposures are usually limited to about 15 seconds due to field rotation for which no alt az mount can compensate. That's where you need the EQ mount, or a derotator. eq2 ro\u0027s sweatshopWebJan 12, 2024 · One can use any AltAz mount and derotate effectively. Then exposures could do 2-3 minutes unguided and stack a lot of … eq2 red handedWebThis video presents that making the field derotator at home is possible. Actually, my satisfaction of the derotator work is higher than of the tracking syste... eq2 roehn theerWebOne thing that comes up a lot when I push my images online is that I guide. And I guide with an Alt-Az mount (as opposed to an EQ mount). The simple truth ... eq2 rescue the sageWebMar 23, 2024 · I wish there was one available for my mount (Orion XT10g; Skywatcher synscan hand controller is used so that it'd be compatible with any skywatcher alt-az mount in terms of communication protocol, I … eq2 red white and deadWebIRF90 is controlled via PWI3 software for autofocusing and optional field de-rotation (if using an Alt/Az mounted system). Description. Description. The IRF90 is a large-capacity … eq2 ring of the vah shir