NGC 4565, Needle Galaxy ( David Dearden )

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: NGC 4562 · NGC 4565 · Needle Galaxy

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NGC 4565, Needle Galaxy

Imaging Telescopes Or Lenses: Meade 4501
Imaging Cameras: Meade DSI II C
Mounts: CG5
Accessories: HB Home-built TEC1-12706 cooler · Antares 0.5x Reducer
Software: Nebulosity · photoshop · PHD guiding · AstroPlanner
Guiding Telescopes Or Lenses: Orion ShortTube 80 f/5
Guiding Cameras: Meade DSI

Dates:: May 8, 2012
Frames:: 25×300″(2h 5′)
Integration:: 2h 5′
Avg. Moon age:: 17.49 days
Avg. Moon phase:: 91.83%

Basic astrometry details

Astrometry.net job: 6688553

RA center: 12h36m16s.1

DEC center: +25°59′56″

Pixel scale: 2.988 arcsec/pixel

Orientation: 57.405 degrees

Field radius: 0.403 degrees

Resolution: 745x622

File size: 129.0 KB

Locations: Mapleton Lateral Observatory, Mapleton, Utah, United States

Date: 8 May 2012

Subject: NGC 4565, Needle Galaxy

Scope: Meade 4501, 0.5x Antares telereducer

Filter: none

Mount: CG-5 (Synta motors)

Guiding: Orion ST80 + 0.5x Antares telereducer + DSI Ic + PHD

Camera: DSI IIc (cooled at 2 A, 6.0 V)

Acquisition: Nebulosity 3.0.3

Exposure: 25 x 300 s

Stacking: Neb 3, bias included, normalize first, align, 1.5 SD stack

Processing: Digital development with sharpening, power stretch, Keller stretch, a little unsharp mask and a little saturation boost in N3, CS5 levels, healing brush to fix bad pixels.

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

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.
Dismissals 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	6688553
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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NGC 4565, Needle Galaxy

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Image Index:

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NGC 4565, Needle Galaxy

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