The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco (Mark Wetzel)

Celestial hemisphere: Northern · Constellation: Draco (Dra) · Contains: NGC 5976 · NGC 5981 · NGC 5982 · NGC 5985

The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco, Mark Wetzel

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The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

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The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

Casitas de Gila, Gila, NM, April 3 - 7, 2024

Description:

This is a galaxy trio called The Draco Group. It is a trio of galaxies in the constellation Draco. They are about 100 million light years from Earth and are comprised of two barred spiral galaxies: NGC 5985 is shown face on (type SBb) and the NGC 5981is edge on (type SB). NGC 5982 is the third member of the trio in the center. It is an elliptical galaxy, type E3. It is about 100,000 light years across. It was discovered by William Herschel on May 25, 1788. (Astronomy Magazine, 2011)

Imaging details:

Celestron 9.25” Edge HD SCT with 0.7x Focal Reducer (FL = 1650mm at f/7)
Celestron Off-axis Guider with ZWO ASI 174 mini guide camera
Losmandy G11 mount with Gemini 2 controller
ZWO ASI 2600MM Pro cooled monochrome camera (-10C)
36mm Chroma filters: Luminance, Red, Green and Blue

Software:   Sequence Generator Pro, ASTAP plate solving, PHD2 guiding,
   Losmandy Gemini ASCOM mount control and web client interface,
   SharpCap Pro for polar alignment with a Polemaster camera,
   PixInsight 1.8.9-2,
   Photoshop 2024

Luminance   2 min x 139 subframes (278 min), Gain 100, Offset 64, 1x1 binning
Red 4 min x 32 subframes (128 min), Gain 100, Offset 64, 1x1 binning
Green 4 min x 32 subframes (128 min), Gain 100, Offset 64, 1x1 binning
Blue 4 min x 33 subframes (132 min), Gain 100, Offset 64, 1x1 binning

Total integration time: 11.1 hours

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	9748466
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

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Image Index:

Contribution Index (beta):

The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

The Draco Group (NGC 5981, NGC 5982, and NGC 5985) in Draco

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