Abell 31 (Sh2-290) Planetary Nebula HOO with RGB Stars

Abell 31 (Sh2-290) Planetary Nebula HOO with RGB Stars Mar 15, 2025 279 views6052×403538.87 MB

Jeff Rothstein

In 1 group

Backyard

Tucson, AZ, Oro Valley (AZ), US

Cnc

8h 54m 14s · +8° 53′ 53″

1.97° × 1.31°

1.17″/px

180.23°N

Integration

R	9×120″	18′	12 Jan	98%
G	6×120″	12′	12 Jan	98%
B	8×120″	16′	12 Jan	98%
Hα	23×600″	3h 50′	12 Jan	98%
OIII	21×600″	3h 30′	12 Jan	98%
Totals		8h 6′	12 Jan	98%

R	9×120″=18′
12 Jan	98%

G	6×120″=12′
12 Jan	98%

B	8×120″=16′
12 Jan	98%

Hα	23×600″=3h 50′
12 Jan	98%

OIII	21×600″=3h 30′
12 Jan	98%

Totals	8h 6′
12 Jan	98%

Equipment

Telescope	Astro-Physics Traveler EDFS 105mm f/6
Camera	ZWO ASI6200MM Pro
Mount	Astro-Physics Mach2 GTO
Filters	Antlia 3nm Narrowband H-alpha 2" Antlia 3nm Narrowband Oxygen III 2" Antlia V-Pro Blue 2" Antlia V-Pro Green 2" Antlia V-Pro Red 2"
Accessories	Astro-Physics 92FF Pegasus Astro Motor Focus Kit v2 Pegasus Astro Ultimate Powerbox 2 ZWO EFW 7 x 2″
Software	Astro-Physics APCC Pro Bill Blanshan Narrowband Normalization PixelMath Open PHD Guiding Project PHD2 Pleiades Astrophoto PixInsight Russell Croman Astrophotography BlurXTerminator Russell Croman Astrophotography NoiseXTerminator Russell Croman Astrophotography StarXTerminator Stefan Berg Nighttime Imaging 'N' Astronomy (N.I.N.A. / NINA)

Description

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Revision: B

Title S2HOO

Description Rather than create an SHO image, I added the S2 signal to the previous HOO version via continuum subtraction. It makes the red pop a little more.

Published Mar 16, 2025, 12:22:50 AM

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