My Imaging setup (grahamh)

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My Imaging setup

My imaging setup.

Intes Mk65 1500mm f10 Maksutov main scope, mounted on Vixen SP-DX and retrofitted with Orion Skyview pro GOTO System. Scope connects onto a custom made quick release dovetail rail.

The 90 degree finder, with illuminated reticule eyepiece is also home built, has 50 mm Nikon objective and is mounted so that it can be rotated and still maintain accurate alignment with main scope.

Main Camera is SBIG ST8xme fitted with CW8a filter wheel.

Limited back focus of the Mk 65 forced me to design and build a very low profile focuser which is fully lockable and allows 360 degree camera rotation. It adjusts with a rotating sleeve and allows accurate focusing.

The low profile focuser allows the use of an AstroPhysics CCDT67 focal reducer bringing the overall focal length to 1050mm and corresponding speed improvement. Due to the limited backfocus the CCDT67 reducer lens had to be re mounted in a special cell so as to fit within the limited back focus.

The setup evolved this way over time. It all works quite well but I am sure there are easier paths to success.

Please note: The following tables are updated every 24 hours.

Distribution of astrophotographers

This table shows the number of distinct astrophotographers who have been assigned and IOTD/TP award compared to the total number of images awarded.
	Distinct awarded users	Total awarded images
Image of the day
Top picks
Top pick nominations

Distribution of subject types

This table shows the distribution of awards per subject type, compared to the popularity of images of that subject type.
	Image of the day	Top pick	Top pick nominations	Total submitted
Deep sky
Solar system
Extremely wide field
Star trails
Northern lights
Noctilucent clouds
Landscape

Distribution of data sources

This table shows the distribution of awards per data source, compared to the popularity of images acquired from that data source.
	Image of the day	Top pick	Top pick nominations	Total submitted
Backyard
Traveller
Own remote observatory
Amateur hosting facility
Public amaeteur data
Professional, scientific grade data
Mix of multiple sources
Other
Unknown

The “AstroBin Image of the Day and Top Picks”, or IOTD/TP, is a long-running system to promote beautiful, interesting, peculiar, or otherwise amazing astrophotographs, with a focus on technical excellence. Learn more.

Submitted The date and time when you submitted this image for IOTD/TP consideration.	...
Views by Submitters (available since September 19th, 2023) Every image is assigned to 50% of available Submitters. In the event that at least 80% of them don't view the image before its time in the IOTD/TP process expires, it's assigned to the other 50% of Submitters and the process begins anew.
Promotions by Submitters When 3 distinct Submitters promote the image, it moves on to the next stage of the process: evaluation for Top Pick status. This requirement, in addition to anonymization of images and distribution to only a subset of them, prevents biases and ensures that the best images are selected.
Promotions by Reviewers When 3 distinct Reviewers promote the image, it moves on to the next stage of the process: evaluation for IOTD status.
Early dismissal Staff members have a lot of images to inspect on a daily basis, and they can dismiss images if they believe they don't meet the requirements for IOTD/TP selection. If an image is dismissed 5 times, it's removed from the process. This streamlines the process and ensures that any bias present in promotions could be overruled by other staff members.

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Astrometry.net job	n/a
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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My Imaging setup

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My Imaging setup

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