Andromeda (Eric Benedetti)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Great Nebula in Andromeda · M 110 · M 31 · M 32 · NGC 205 · NGC 221 · NGC 224 · Part of the constellation Andromeda (And) · The star 32And · The star μAnd · The star νAnd

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Andromeda

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Andromeda

Been trying out my Rokinon 135mm lens for deep sky astrophotography, this time on Andromeda. Used my Nikon D7000 body and my Sky Watcher Star Adventurer mount, shot from my driveway in the middle of Salt Lake City (Bortle 9 light pollution). This is 67 exposures at 1.5 minutes, ISO 800 and f4 as well as 33 exposures at 3 minutes, ISO 400 and f4 for a total of about 3 hours and 20 minutes. Also used 100 bias frames to make a SuperBias for calibration. I've also decided to start getting into the nitty gritty with PixInsight, use the Subframe Selector script to analyze the subs, eliminate crappy subs (which ended up being over 1/3rd of the shots I took over 2 nights thanks to clouds and tracking error), then assign weighting to each sub based on quality for stacking.

Turned out ok given the light pollution and my novice status with PixInsight, any constructive criticism and advice would certainly be welcome.

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	Basic success
Started	...
Astrometry.net job	1301829
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Andromeda

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Image Index:

Contribution Index (beta):

Andromeda

Andromeda

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

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