Question Mark Nebula

NGC 7822 is a young star forming complex in the constellation of Cepheus approximately 2900 light years from Earth.

A mosaic of 6 panels to capture the entire nebula group of NGC 7822 and CED 214 using the Esprit 100ED and the ASI2600MC camera at Turismo Astronómico, Los Coloraos, Gorafe, Spain.

The total size of the image is over 100 M pixels giving fine details of the central portion of NGC 7822.

Each panel was imaged over 13 nights in narrowband with the Optolong L-Ultimate filter and for stars, the Baader Neodymium Moon & Skyglow filter. With around 10 hours of narrowband and 1.5 hours of RGB per panel, the total integration is over 68 hours.

Technical summary:

Captured: 13 Nights in August and September 2024

Telescope: Skywatcher Esprit 100ED

Camera: ZWO ASI 2600MC

Location: Turismo Astronómico, Los Coloraos, Gorafe, Spain

Bortle Class: 3

Total Integration: 68 hours 4 mins

Filters Optolong L-Ultimate and Baader Neodymium Moon and Sky Glow

Copyright: Eric Smith