NGC1499 California nebula in SHO palette

NGC1499 California nebula in SHO palette Sep 23, 2021 115 views4338×315382.11 MB Link TIFF/FITS

Stefano Zamblera

In 15 groups

Backyard

Home (balcony), Livorno (Livorno), IT

Bortle

Per

4h 0m 40s · +36° 25′ 28″

3.79° × 2.76°

3.15″/px

300.51°N

Integration

Hα	Mix of exposure times	6h 56′	9 days in 2021	15%
SII	137×180″	6h 51′	8 days in 2021	25%
OIII	159×180″	7h 57′	9 days in 2021	41%
Totals		21h 44′	20 days in 2021	27%

Hα	Mix of exposure times=6h 56′
9 days in 2021	15%

SII	137×180″=6h 51′
8 days in 2021	25%

OIII	159×180″=7h 57′
9 days in 2021	41%

Totals	21h 44′
20 days in 2021	27%

Imaging equipment

Telescope	William Optics Redcat 51
Camera	ZWO ASI1600MM Pro
Mount	Sky-Watcher EQM-35 Pro
Filters	Astronomik H-alpha CCD 12nm 1.25" Astronomik OIII CCD 12nm 1.25" Astronomik SII CCD 12nm 1.25"
Accessory	ZWO EFW 8 x 1.25″ / 31mm
Software	Adobe Lightroom Adobe Photoshop Pleiades Astrophoto PixInsight ZWO ASIAIR

Guiding equipment

Guiding optics	QHYCCD Mini Guide Scope
Guiding camera	ZWO ASI120MM Mini

Objects

California Nebula NGC 1499 IC 2005 Sh2-220 46 ksi Per Menkib The star ξPer

Description

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Revision: D

Description SHO palette from Astronomik narrowband Ha, Sii Oiii 1,25" filters drizzle data integration. List of subframes as follow: Ha: 11/08/2021 3 300s; 12/08/2021 13 300s; 14/08/2021 31 180s; 15/08/2021 30; 06/09/2021 6; 07/09/2021 25; 08/09/2021 9; 09/09/2021 9; 10/09/2021 2. Sii Gain 200, offset 50, 180sec -20C : 29/08/2021 13; 30/08/2021 29; 31/08/2021 19; 01/09/2021 26; 05/09/2021 4; 06/09/2021 26; 09/09/2021 10; 10/09/2021 10 Oiii Gain 200, offset 50, 180sec -20C: 17/08/2021 29; 18/08/2021 31; 19/08/2021 11; 08/09/2021 10; 09/09/2021 10; 10/09/2021 10; 11/09/2021 6; 12/09/2021 34; 13/09/2021 18 Postproduction Adobe Photoshop and Lightroom.

Published Sep 23, 2021, 2:59:14 PM

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