NGC 4274 (Frank Colosimo)

Celestial hemisphere: Northern · Constellation: Coma Berenices (Com) · Contains: NGC 4274

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NGC 4274

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NGC 4274

NGC 4274 is a barred spiral galaxy located in the constellation Coma Berenices. It is approximately 45 million light years from Earth and is about 95,000 light years across. The galaxy shows a small but very bright core, surrounded by mottled arms that form a continuous ring. The fainter outer arms are quite uniform and have merged into an oval glow.

Date: Jan-Feb 2020

Location: Blue Mountain Vista Observatories,New Ringgold PA

Optics: Celestron EdgeHD 1100 on Paramount MX

Camera: Sbig STL-11000 for RGB

Optics: Starizona Hyperion f/8 12.5 inch, FL 2540 mm on Paramount ME

Camera: Apogee U8300 for Lum

Guiding: ST-402 on Innovations Foresight On-Axis Guider and STL-11000 Self guiding

Exposure: LRGB: L:38x10 R:26x5 min, G:19x5 min, B:19x5 min for a total of 17.34 hrs (102 subs at avg of 412 sec)

Processing: Image acquisition using CCD Autopilot. Initial processing was done using Maxim DL with subsequent processing with Photoshop.

Original
Final
B

B

Description: Contrast improvement 2/20/21

Uploaded: ...

Schmidt-Cassegrain Telescope (SCT) Imagers
Cloudy Nights
Northeast Imagers

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	Advanced success
Started	...
Astrometry.net job	4235001
PixInsight job	01RVE1I3CM2S4MLOGYXG8AASIAE3R4U9
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	12h19m51s.280
RA (top/left)	12h18m53s.313
RA (top/right)	12h20m45s.335
RA (bottom/right)	12h20m48s.949
RA (bottom/left)	12h18m56s.515

Dec (center)	+29°35′43″.16
Dec (top/left)	+29°27′00″.99
Dec (top/right)	+29°26′02″.69
Dec (bottom/right)	+29°44′24″.50
Dec (bottom/left)	+29°45′22″.17

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Contribution Index (beta):

NGC 4274

NGC 4274

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Image Index:

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NGC 4274

NGC 4274

Equipment

Acquisition details

Description

Comments

Revisions

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