Compilation of photos of the AR3780 from August 6 to 15, 2024. (Loxley)

Contains: Solar system body or event

Compilation of photos of the AR3780 from August 6 to 15, 2024.

Acquisition type: Lucky imaging

Compilation of photos of the AR3780 from August 6 to 15, 2024.

Acquisition type: Lucky imaging

Compilation of photos of the AR3780 from August 6 to 15, 2024.

The last time I made such a compilation covering eight days was 12 years ago. In the meantime, there were four-day observations, three-day observations, but not longer ones. This is just proof of how difficult it is to find good conditions when an interesting group of spots appears on the Sun.

I published most of the individual AR3780 photos, happy that the fully developed group emerged from behind the eastern edge and with each day the file with its photos grew. After two observations, a two-day period of bad weather came, but then I managed to use good visibility for six days.

Why the compilation? If only to observe the evolution of the active area - the possibility of a snapshot presentation of its dynamics, noticing various aspects related to the photosphere of the Sun. Throughout the transit period, the group had a magnetic class of beta-gamma-delta, which means that it was a bipolar group with different magnetic centers even within one spot. The proximity of magnetically opposed areas could lead to flare phenomena. Such a flare in the most energetic class X (X1.1) occurred on August 6. At the peak of its development, I estimated its area at about 1680 units (millionths of the visible hemisphere of the Sun). Over time, the area it occupied decreased to about 1000 units.

MAK150/1910 with Baader ND3.8 film filter on the lens, ASI290MM, Baader Solar Continuum and UV/IR-cut filter, EQ-ATM, FireCapture v2.7, Autostakkert!4, ImPPG. Gain 240/0.6m.

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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
Artificial satellite

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.

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Compilation of photos of the AR3780 from August 6 to 15, 2024.

Compilation of photos of the AR3780 from August 6 to 15, 2024.

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Image Index:

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Compilation of photos of the AR3780 from August 6 to 15, 2024.

Compilation of photos of the AR3780 from August 6 to 15, 2024.

Equipment

Acquisition details

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Comments

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