California Nebula, Pleiades and galactic cirri in Taurus-Perseus region (Giuseppe Donatiello)

Celestial hemisphere: Northern · Constellation: Taurus (Tau) · Contains: California nebula · IC 353 · IC 360 · Maia nebula · Merope nebula · NGC 1432 · NGC 1435 · NGC 1499 · NGC 1647 · NGC 1746 · Part of the constellation Perseus (Per) · Part of the constellation Taurus (Tau) · The star Aldebaran (αTau) · The star Atik (ζPer) · The star Atlas (27Tau) · The star Electra (17Tau) · The star γTau · The star εPer · The star εTau · The star ηTau · The star θ2Tau · The star ιAur

California Nebula, Pleiades and galactic cirri in Taurus-Perseus region, Giuseppe Donatiello

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California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

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California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

Large Mosaic

Galactic cirrus clouds, often also called high-latitude clouds, can be separated into three classes depending on their radial velocities: low-, intermediate- and high-velocity clouds. The origin of the last two classes is completely unknown.

Most of the galactic cirrus clouds are nearby objects. Cirrus clouds are low temperature objects, which means that they emit most of their radiation in the mm- to submm-wavelength regime. Only part of this is accessible with ground based observatories. [A. Heithausen et al.]

Based on images taken with 85mm f/2 and 200mm f/4 lenses

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Distribution of astrophotographers

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	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
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Star trails
Northern lights
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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
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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.

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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.
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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.

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California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

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Image Index:

Contribution Index (beta):

California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

California Nebula, Pleiades and galactic cirri in Taurus-Perseus region

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