April 8, 2024 Eclipse Composite (NCDaveD)

Contains: Solar system body or event

April 8, 2024 Eclipse Composite

This image is a composite of images taken with the
following equipment:

SV115T-3FT refractor at f-7, no flattener, Nikon
  D850

  SVX80T-25SV refractor at f-6, SFF3-80 flattener,
Nikon D800

The refractors were dual-mounted on a Losmandy
G11. The partials, Baily’s Beads, prominences,
chromosphere, and photosphere were shot with the
SV115T-3FT and the Nikon D850. The central HDR
image of the corona is an aligned stack of seven
exposures taken with the SVX80T-25SV and the
Nikon D800. The central image of the moon is also
an HDR composite, but unfortunately we had
reduced atmospheric transparency due to high
cirrus clouds at our site. Consequently I was not
able to extract earthshine (lunar surface illumi-
nated by reflected light from the earth) from the
image data, since the lunar surface features are
very low contrast during totality and this is directly
impacted by atmospheric transparency.

Exposures were as follows:
Baily’s beads, prominences, chromosphere and
photosphere: 1/2000 sec, ISO 100
Partials: 1/500 sec, ISO 100
Corona: HDR stack, ISO 100, with following
shutter speeds:
                            1/200 sec
1/100 sec
1/50 sec
1/25 sec
1/13 sec
1/6 sec
1/3 sec

Eclipse Orchestrator Pro was used to automate
image captures.

Post-processing of the images was in Adobe
Photoshop.

The images were captured near Morristown,
Indiana, about 1000 meters from the exact
centerline of totality.

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.

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

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Contribution Index (beta):

April 8, 2024 Eclipse Composite

April 8, 2024 Eclipse Composite

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Contribution Index (beta):

April 8, 2024 Eclipse Composite

April 8, 2024 Eclipse Composite

Equipment

Acquisition details

Description

Comments

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