M8+M20 (greenbbs)

M8+M20

So, here's the fruit of last night's space photography adventures!

So, the first (more washed out) photo is a single frame of the 45 frames that I took. This shows what one image looks like.

The second is a stack of 40 frames of the same thing, so you can get more depth and detail out of the faint things.

The Lagoon Nebula (M8) is the larger of the 2. It's only one of 2 nebula in the Northern Hemisphere visible to the unaided eye (the other being the Orion Nebula). It's about 4000-6000 light years from Earth. It's found within the constellation of Saggitarius (on the bottom side of the core of the Milky Way when seen from our area). The nebula gets its color from hydrogen ions which glow red. This area of the sky is a giant stellar nursery, and is active in star formation!

The Trifid Nebula (M20) is the smaller of the two (near the top). It gets it's name because if you look closely at it, it appears to be broken into 3 lobes. It lives about 5000 light years away, and is also a stellar nursery.

All the other stars you see are part of the dense core of the Milky Way (our home), and are tightly packed. If you went far enough to the country, you'd see this as a glowing "cloud" in the night sky.

Nerdy Tech Details:

Sony A6000

ISO 800

90 seconds x 40 exposures (1 hour total time)

Sigma 70-200mm f2.8 lens, @f4. Focal Length at 200mm

Tracked on a Celestron AVX mount

Put together with PixInsight

Edited in Lightroom and Photoshop.

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	Basic failed
Started	...
Astrometry.net job	671431
PixInsight job	n/a
PixInsight queue size	n/a
PixInsight stage	n/a

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