NGC3572 & Gum37 - The Southern Tadpoles (AstroCatNZ)

Celestial hemisphere: Southern · Constellation: Carina (Car) · Contains: NGC 3572

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NGC3572 & Gum37 - The Southern Tadpoles

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NGC3572 & Gum37 - The Southern Tadpoles

Enjoying using the C8HD at the focal length of 2200mm to get in nice and close to this target.
Had an issue with distorted stars on the first night of capture. Checked the usual things as you do but nothing fixed it, so it was a bit of a head scratcher!!
After some research, found the issue was actually heating the corrector plate dew ring too much! I had the full 12v going to it, so dropped it down to 7.5 and the issue was fixed once the plate had cooled down!

Here is some info (wiki) re the Gum catalog, such beautiful southern targets!!
The Gum catalog is an astronomical catalog of 84 emission nebulae in the southern sky. It was made by the Australian astronomer Colin Stanley Gum (1924-1960) at Mount Stromlo Observatory using wide field photography. Gum published his findings in 1955 in a study entitled A study of diffuse southern H-alpha nebulae which presented a catalog of 84 nebulae or nebular complexes.

CS

Geoff

Southern Hemisphere Astro
Narrowband imaging
Suburban Astrophotography
New Zealand Astrophotography

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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
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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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Star trails
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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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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	Advanced success
Started	...
Astrometry.net job	7233575
PixInsight job	QXIS9OUW4GNJ3PPLMGXAITQ1EZTBIO0S
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	11h10m19s.198
RA (top/left)	11h07m52s.498
RA (top/right)	11h12m10s.670
RA (bottom/right)	11h12m44s.984
RA (bottom/left)	11h08m29s.506

Dec (center)	-60°10′43″.88
Dec (top/left)	-60°18′14″.15
Dec (top/right)	-60°24′47″.39
Dec (bottom/right)	-60°03′04″.10
Dec (bottom/left)	-59°56′33″.79

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NGC3572 & Gum37 - The Southern Tadpoles

NGC3572 & Gum37 - The Southern Tadpoles

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Image Index:

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NGC3572 & Gum37 - The Southern Tadpoles

NGC3572 & Gum37 - The Southern Tadpoles

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