NGC 6960 (PhotonCollector)

Celestial hemisphere: Northern · Constellation: Cygnus (Cyg) · Contains: 52 Cyg · Filamentary nebula · Lace-work nebula · NGC 6960 · PK072-07.1 · Sh2-103 · The star 52Cyg · Veil nebula

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NGC 6960

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NGC 6960

Last night I used the Opt Triad filter for the first time. It’s a tri-band narrowband filter, that only lets in H-Alpha, H-Beta and OIII light through. It has a special benefit of making one-shot color cameras effective one some targets in light polluted skies. The H-Alpha band lets in light we perceive as red, and the H-Beta and OIII bands let in light we perceive as a greenish blue. Unlike the common H-Alpha filter, which only enables collection of photons in one of every 4 cells of the RGGB matrix, with this filter all 4 cells collect photons (though maybe not optimally for the GGB guys).

Anyway, here is a one hour (20x3min) exposure of the Eastern half of the Veil nebulae. I used a ZWO ASI183MC camera with gain set at 200. I did a brute force color calibration using Nebulosity’s Automatic Color Balance feature followed by PixInsight’s “green gun” feature called, Subtractive Chromatic Noise Reduction (SCNR) set to 0.6. Consequently, the image has a green cast. In the coming days I plan to use more sophisticated tools to balance the colors.

The nebula appears fainter than it does in many other published images that’s because I need to capture more exposures (at least another hour) and I chose not to push the Histogram to hard to avoid revealing background noise.

Otherwise, despite seeing being poor last night (2/5) details are pretty good.

Original
Final
B

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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	2757201
PixInsight job	7Z7PVU167QZT20QG0G1PON61OKJQNL4M
PixInsight queue size	n/a
PixInsight stage	n/a

RA (center)	20h45m47s.60
RA (top/left)	20h50m47s.92
RA (top/right)	20h40m45s.55
RA (bottom/right)	20h40m51s.77
RA (bottom/left)	20h50m45s.17

Dec (center)	+30°41′43″.6
Dec (top/left)	+31°24′28″.1
Dec (top/right)	+31°23′56″.0
Dec (bottom/right)	+29°58′16″.6
Dec (bottom/left)	+29°58′48″.0

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NGC 6960

NGC 6960

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NGC 6960

NGC 6960

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