NGC 2359 (Bruce Donzanti)

Celestial hemisphere: Southern · Constellation: Canis Major (CMa) · Contains: LBN 1040 · LBN 1041 · NGC 2359 · Sh2-298

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NGC 2359

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NGC 2359

Thor's Helmet (NGC 2359) has been an object I've always wanted to image but my location has never been ideal to do so.............. including now, but I decided to try it anyway. My location and setup would dictate not to expect much given: 1) it is relatively low in the sky; 2) my seeing conditions vary from below average to average, as was the case here; and 3) combining #1 and #2 with a C11" EdgeHD @ f/10 is not great as data are usually oversampled at 0.27 arcsec/pixel at bin 1). However, I was determined to give it a go anyway. This image does not compare with the beautiful ones posted by others but overall, I was pleased after creating about 7 versions and more are likely to come here as I made a variety of both SHO and HOO images. SII is not very prevalent in this nebula but OIII certainly is. This one is a variant of SHO with mixtures of all 3 gases in each channel. I was hoping for more clarity and depth to the image but I think my setup as described above limits all of this.

Original
C
Final
D

C

Description: This is an alternative view using a different mixture of Ha and OIII which appears to give more clarity at the core bubble-like region of the object and also enhances the winged tips of the outer structure.

Uploaded: ...

D

Description: Slight adjustment of the original version.

Uploaded: ...

ASI 6200 MM Pro
Imaged with N.I.N.A.
Florida / Georgia Imagers
Narrowband imaging
Light Polluted skies
Images from the EdgeHD Series
Suburban Astrophotography

A Collection of Recent & Favorite Images
C11" EdgeHD

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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.

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Status	Advanced success
Started	...
Astrometry.net job	5542552
PixInsight job	ZN3YPSEE0KH3TDQVYGBQT2FBGR7F0KJH
PixInsight queue size	n/a
PixInsight stage	TASK_LOG

RA (center)	07h18m35s.26
RA (top/left)	07h20m05s.40
RA (top/right)	07h18m16s.11
RA (bottom/right)	07h17m05s.45
RA (bottom/left)	07h18m54s.39

Dec (center)	-13°13′16″.2
Dec (top/left)	-13°18′56″.6
Dec (top/right)	-12°51′10″.10
Dec (bottom/right)	-13°07′33″.9
Dec (bottom/left)	-13°35′22″.7

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NGC 2359

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NGC 2359

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