Sh2 78 (Jerry Yesavage)

Celestial hemisphere: Northern · Constellation: Aquila (Aql) · Contains: HD177008 · HD177129 · HD177202 · HD177396 · HD177460 · HD177528 · HD177529 · HD230513 · HD230529 · HD230540 · HD230594 · PK046+03.1 · Sh2-78

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Sh2 78

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Sh2 78

Another recast of a Sharpless2 object with General Hyperbolic Stretch and the CMOS camera.

This one I tried very hard not to overstretch and I think the detail came out well.

The information on this is that in is an old PN and when I heavily stretch I think I can see a circular element. But the image is a mess.

Previous CCD version was not that bad but nowhere near the detail.

Sh2 78 HA RGB

Discussion of GHS aspects of processing and side by side comparison of Ha and RGB images:

GHS Forum Discussion

From GalaxyMap:

This is the old planetary nebula CTSS 3 and lies at a distance of 700 parsecs.

GENERAL NOTE ON SHARPLESS2 OBJECTS>>>>>>>>>>>>>

There are 313 Sh2 objects. All now imaged.

This is my collection:

Sharpless2

Wide-Angle Hydrogen Alpha Nikon Image Sh2 79-171

Please note there is also a Sharpless2 Group with now more than 2600 examples.

Sharpless2 Group

Other useful links include:

Gary Imm's Collection

GalaxyMap's Collection

The Sharpless Catalog

The MDW H-alpha Sky Survey

Reiner Vogel's detailed observing catalog

Hope you enjoy these obscure but interesting objects...

Final
Original
B

B

Title: Heavily Stretched Ha

Description: More heavily stretched H-alpha showing more structures but more noise.....

Uploaded: ...

Rarely Imaged Small DSOs
"Simply Stellarvue"
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Suburban Astrophotography
PixInsight Addicts
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Sharpless2 Objects

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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.
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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	6058161
PixInsight job	WTUUDBYWIT5RRR11L060291B7I4W4YQ6
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	19h03m11s.292
RA (top/left)	19h04m37s.133
RA (top/right)	19h01m46s.646
RA (bottom/right)	19h01m45s.704
RA (bottom/left)	19h04m35s.680

Dec (center)	+14°07′17″.23
Dec (top/left)	+14°27′45″.71
Dec (top/right)	+14°28′02″.21
Dec (bottom/right)	+13°46′47″.80
Dec (bottom/left)	+13°46′29″.63

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Sh2 78

Sh2 78

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Sh2 78

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