IC 4685 (Brendan Kinch)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: IC 1274 · IC 4684 · IC 4685 · NGC 6546 · NGC 6559

Image of the day 12/06/2022

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IC 4685

Link: https://www.kinchastro.com/ic-4685.html

Image of the day 12/06/2022

Powered byPixInsight

IC 4685

Link: https://www.kinchastro.com/ic-4685.html

IC4685 can be found in the constellation of Sagittarius, very close to and often shown as part of the Lagoon Nebula. This area is rarely imaged on its own because of the more common photographic targets of M8 (Lagoon) and M20 (Trifid) being much more dominant in this area. The estimated distance is about 4000 light years away. The area of the image contains both emission and reflection nebulae and the open star cluster NGC 6546.

Imaging telescope: Takahashi FSQ106ED
Imaging camera: QSI 6120i
Mount: Takahashi EM 400 Temma 2M
Guiding telescope: QHY Mini Guide Scope
Guiding camera: QHY CCD QHY 5L II
Focal Extender / Reducer: 0.73X
Capture Software: Sequence Generator Pro, PHD 2
Processing Software: Astro Pixel Processor, PixInsight, Topaz DeNoise, Photoshop
Filters (1.25"): Astrodon SII 5nm, Ha 5nm & OIII 5nm
Accessories: ATIK EFW2, SeleTEK2 controlling Robofocus Focuser.

Frames:
Astrodon SII 12 x 15'
Astrodon Ha 12 x 15'
Astrodon OIII 20 x 15'

Total integration = 11 Hours

Narrowband imaging
Takahashi Refractors

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	6622882
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Contribution Index (beta):

Image of the day 12/06/2022

IC 4685

Image of the day 12/06/2022

IC 4685

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Image Index:

Contribution Index (beta):

Image of the day 12/06/2022

IC 4685

Image of the day 12/06/2022

IC 4685

Equipment

Acquisition details

Description

Comments

Sky plot

Histogram

In these public groups

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