Observation by Manolo_Rodriguez: NGC 1931 Fly Nebula

Uploaded by

Manolo_Rodriguez

Observer

Manolo_Rodriguez

Observed

2024 Dec 12 - 02:08

Uploaded

2024 Dec 17 - 23:07

Objects

NGC1931

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Constellation

Auriga

Field centre

RA: 05^h31^m
Dec: +34°13'
Position angle: -8°53'

Field size

0°23' × 0°23'

Equipment

SW AZEQ6 GT - SW Esprit 100 ED - Optolong L-Pro and L-eNhance filters - ZWO ASI 676 MC (IMX676C)

Exposure

L-Pro 60s 250gain - L-eNhance 180s 250gain

Location

El Pedroso, Seville, Spain

Target name

NGC 1931 Fly Nebula

Title

NGC 1931 Fly Nebula

About this image

Some considerations on the capture:

This was the debut of my new ZWO ASI676MC camera (Sony IMX676 with 2um pixels), a planetary camera that, if accompanied by good optics and adequate sampling, makes it possible to photograph small and faint objects. Its fulwell is quite limited and saturates quickly, which makes it advisable to use lucky imaging techniques or rapid calibration and stacking applications to handle a high number of frames. Another important detail is that it lacks active cooling, which is almost unnecessary due to the low noise of the sensor and the high number of frames obtained.

The Ha and OIII bands are added to the RGB image to further highlight the areas locally tinted by these emissions.

It has been 12 hours and 19 minutes of RGB captures (Optolong L-Pro filter) to obtain the general color and luminance. And 7 hours and 57 minutes of narrowband Ha and OIII (duoband Optolong L-eNhance filter).

On December 7 and 8, I detected the presence in the frames of asteroid 15 Eunomia, which has been eliminated by the stacking rejection algorithms.

Files associated with this observation

NGC1931 2024-12-(7-8-9-10-11) RGB+Ha+O3 - MRod BAA (3)..png (2.8 MB)

Like this image

Simon Paul Davis, Callum Wingrove, Tim Haymes, Peter Carson, Graham Winstanley, Callum Potter

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