IC 4685 (Andrew Burwell)

Celestial hemisphere: Southern · Constellation: Sagittarius (Sgr) · Contains: 11 Sgr · B302 · B303 · B91 · IC 1274 · IC 1275 · IC 4684 · IC 4685 · LBN 28 · LBN 29 · LBN 31 · LBN 33 · LBN 34 · LDN 196 · LDN 200 · LDN 210 · LDN 211 · LDN 212 · LDN 213 · LDN 214 · LDN 221 · LDN 224 · LDN 227 · LDN 230 · LDN 241 · LDN 242 · LDN 243 · NGC 6544 · NGC 6546 · NGC 6559 · And 16 more.

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IC 4685

Link: https://www.macobservatory.com

Powered byPixInsight

IC 4685

Link: https://www.macobservatory.com

Another low altitude target, it only rises to 34° from my location, and sits next to the Lagoon which I previously shot. So I had to capture it over multiple nights as I could only get 2-3 hours a night. And despite my ability to image unguided with 10 minute subs, any deviation (like gust of wind, or cable drag) impacts a full single 10 minute frame. So I'm considering going down to 5 minute frames so I don't lose such a big chunk when I have to discard a frame. I'm not really sure what is causing these tracking hiccups, as most frames look great with low FWHM.

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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	8225149
PixInsight job	D2AIAG8MCE8NW981D4MDIJ5B0ZJUNKNU
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	18h09m12s.292
RA (top/left)	18h06m09s.720
RA (top/right)	18h06m14s.108
RA (bottom/right)	18h12m18s.568
RA (bottom/left)	18h12m07s.495

Dec (center)	-24°09′40″.85
Dec (top/left)	-23°08′31″.97
Dec (top/right)	-25°11′48″.24
Dec (bottom/right)	-25°10′37″.86
Dec (bottom/left)	-23°07′15″.70

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IC 4685

IC 4685

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Image Index:

Contribution Index (beta):

IC 4685

IC 4685

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Description

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