NGC 3115 (Frank Colosimo)

Celestial hemisphere: Southern · Constellation: Sextans (Sex) · Contains: NGC 3115 · Spindle Galaxy

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NGC 3115

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NGC 3115

NGC 3115 is a galaxy in Sextans. Also known as the Spindle galaxy, it lies about 32 million light years away. It is classified as a lenticular galaxy, one with a disk and a central bulge of stars, but no detectable spiral pattern. Galaxies such as this are thought to have consumed most of the dust and gas in the past, so there is nothing to create new stars. The yellow color, indicating mostly older stars, supports this theory. We are seeing it viewed edge-on from our perspective.

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:22x10 R:14x5 min, G:11x5 min, B:13x5 min for a total of 6.8 hrs (60 subs at avg of 410 sec)

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

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

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	3341393
PixInsight job	HMNRNIDNFBB5SJE2SVZI8Q4AUI2TRM9N
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	10h05m14s.450
RA (top/left)	10h04m48s.661
RA (top/right)	10h06m15s.441
RA (bottom/right)	10h05m40s.268
RA (bottom/left)	10h04m13s.575

Dec (center)	-07°43′07″.92
Dec (top/left)	-07°56′59″.99
Dec (top/right)	-07°45′26″.10
Dec (bottom/right)	-07°29′15″.23
Dec (bottom/left)	-07°40′48″.91

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NGC 3115

NGC 3115

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Image Index:

Contribution Index (beta):

NGC 3115

NGC 3115

Equipment

Acquisition details

Description

Comments

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In these public groups

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