Session with 21 Days Old Moon (astropical)

Contains: Solar system body or event

Session with 21 Days Old Moon

Acquisition type: Lucky imaging

Session with 21 Days Old Moon

Acquisition type: Lucky imaging

All images in the Revision section with 2x barlow (FL=1500mm) and IR742nm pass filter in 8-bit mono, 1.5x drizzled, stacks of 200 frames. The 56% illuminated moon was at an altitude of about 30° in Capricorn lining up with Mars, Saturn and Jupiter.

B

Description: Crater Archimedes in Mare Imbrium.

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C

Description: Mare Vaporum half in shadow.

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D

Description: Central crater chain with Ptolemeus in the center.

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E

Description: Southern limb with Jupiter and Saturn inserted to scale. The dominent craters in the center are Tycho, Longomontanus, Maginus and Clavius.

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F

Description: Mare Vaporum at the top, north is left.

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G

Description: Mare Vaporum in the middle, 2x mosaic.

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H

Description: Central craters with Ptolemeus, north is right.

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I

Description: Craters Deslandres and Walther in the middle at the east of Mare Nubium.

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J

Description: Eastern half of Mare Imbrium, north is right.

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K

Description: Mare Vaporum and Sinus Medii to the left, north is right.

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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	n/a
Started	n/a
Astrometry.net job	n/a
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

Image Index:

Contribution Index (beta):

Session with 21 Days Old Moon

Session with 21 Days Old Moon

Equipment

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B

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D

E

F

G

H

I

J

K

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Image Index:

Contribution Index (beta):

Session with 21 Days Old Moon

Session with 21 Days Old Moon

Equipment

Acquisition details

Description

Comments

Revisions

B

C

D

E

F

G

H

I

J

K

Histogram

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