The Andromeda Galaxy (M31) (estabrook)

Celestial hemisphere: Northern · Constellation: Andromeda (And) · Contains: Andromeda Galaxy · HD3765 · HD3969 · HD4143 · HD4174 · HD4322 · M 110 · M 31 · M 32 · NGC 205 · NGC 206 · NGC 221 · NGC 224

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The Andromeda Galaxy (M31)

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The Andromeda Galaxy (M31)

Ever have a string of projects that all failed horribly?

Nearly every project I undertook in September and October was a flop: NGC 6823, NGC 7380, Saturn. All disasters. I even assembled my first mosaic (IC 1396), only to find a hole in the middle! (See my Fall Flops below!)

Fortunately, between and among the failures I managed to collect enough data to complete at least a few projects acceptably, which I will begin to post on Astrobin.

The first is a fairly easy target--the Andromeda Galaxy, which I managed to capture over a few nearly-moonless nights in late summer. From my vantage point, Andromeda rises just behind a streetlight, and just in front of Washington, DC's light dome. But despite the harsh, Bortle 8-9 environment, I managed to get a pleasing broadband image from approximately 5 hours of integration with the Optolong L-Pro filter.

I have collected about the same amount of data from the Optolong L-Enhance filter, and plan to use that data to boost the Ha, but effort has not yet matched ambition on that front.

Optolong L-Pro filter
Virginia Astronomers and Astrophotographers
Broadband under Bortle 7/8/9
Light Polluted skies
ZWO ASI183/QHY183
HyperStar Lens Astrophotography
NOVAC
The OSC Club (One Shot Camera)

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
Artificial satellite

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	Advanced success
Started	...
PixInsight job	41HE77XK5A3MF363MA5GQPYA684MXAQZ
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	00h42m45s.74
RA (top/left)	00h49m54s.56
RA (top/right)	00h42m43s.60
RA (bottom/right)	00h35m44s.85
RA (bottom/left)	00h42m48s.79

Dec (center)	+41°16′16″.10
Dec (top/left)	+41°49′53″.7
Dec (top/right)	+39°49′21″.4
Dec (bottom/right)	+40°41′02″.6
Dec (bottom/left)	+42°43′14″.9

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The Andromeda Galaxy (M31)

The Andromeda Galaxy (M31)

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AstroBin

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Image Index:

Contribution Index (beta):

The Andromeda Galaxy (M31)

The Andromeda Galaxy (M31)

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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