Celestial hemisphere:  Northern  ·  Constellation: Orion (Ori)
Lower's Nebula (SH2-261), Kirk
Lower's Nebula (SH2-261)
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Lower's Nebula (SH2-261)

Lower's Nebula (SH2-261), Kirk
Lower's Nebula (SH2-261)
Powered byPixInsight

Lower's Nebula (SH2-261)

Equipment

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Acquisition details

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Description

Object: Lower's Nebula (SH2-261) in HST Palette

Lower’s Nebula or SH2-261 (LBN863) is an HII region located in the Constellation of Orion about 3260 light years from Earth.

-Acquisition Date: 01/17/2020 – 02/23/2020

-Location: Western Massachusetts

-Camera: FLI ML1620 @ -25°C

-Telescope: Astro-TECH AT130 with APM Riccardi APO Flattener 1.0x

-Mount: Astro-Physics AP1100

-Guide scope: Celestron Off Axis Guider

-Guide Camera: ZWO ASI174 mini

Filters:

- Chroma 3nm Hydrogen Alpha (Ha): 18 x 30min. (540 min) bin 1x1

- Chroma 3nm Oxygen III (OIII): 11 x 30min. (330 min.) bin 1x1

- Astrodon 3nm Sulfur II (SII): 16 x 30min. (480 min) bin 1x1

Total Exposure: 1350 min. (22.5hr)

-Limiting Magnitude: 5.1

-Captured with SGP

-Processed in Pixinsight 1.8.8-5 and Adobe PS5

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Lower's Nebula (SH2-261), Kirk