Among Friends: Arp188 and 200+ others (Vivian Budnik)

Among Friends: Arp188 and 200+ others

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

Among Friends: Arp188 and 200+ others

Acquisition type: Electronically-Assisted Astronomy (EAA, e.g. based on a live video feed)

From the Hubble Telescope Archives: I processed this amazing galaxy. I could count over 200 other galaxies surrounding it in the image. Just amazing! Wikipedia mentions, however, that there are 6,000 galaxies in this area.

Arp188 is also called the "Tadpole Galaxy" because of its long tail (280,000 light years long). Arp188 is in the constellation Draco. It is a barred spiral galaxy that has been distorted by interaction with a smaller galaxy, an event thought to have happened about 100 million years ago. Just imagine: the earth was in the Cretaceous period, and inhabited by dinosaurs. The presumed interloper galaxy can be seen in the bottom right quarter of the galaxy, and produced the distortion of Arp188, including its long tail, formed by debris of stars and gasses.

This image was taken by the Hubble Telescope's ACS camera in 2002; project hst 8992

Filters used: f814w (used as red); f606w (used as green); f475w (used as blue)

Processing software: Mostly PixInsight 1.8; Final touches Adobe Photoshop and Light Room CS

ACKNOWLEDGEMENTS: Based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA).

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	Distinct awarded users	Total awarded images
Image of the day
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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
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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
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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 failed
Started	...
Astrometry.net job	5350406
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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Among Friends: Arp188 and 200+ others

Among Friends: Arp188 and 200+ others

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Among Friends: Arp188 and 200+ others

Among Friends: Arp188 and 200+ others

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