M51 – Whirlpool Galaxy

M51_v4-15aa00e


David ATTIE

Abu Dhabi, United-Arab-Emirates

Telescope: C11+focal reducer x0.63
Mount: Az-Eq6
OAG Skytrack (made in France by Skymeca)
Guiding camera: Lodestar x2
Imaging camera: Moravian G2-4000+internal filter wheel (Baader filters)

Taken during a desert trip in United-Arab-Emirates.

This is a LRGB combination based on:
Luminance: 20x400s bin1x1
RGB: 10x100s bin2x2 for each filter
Sensor’s temperature: -15 degrees

Calibration frames:
bias: 50 bin1, 50 bin2
dark:20 bin1, 20 bin2
flats: 10 per filter

2016-04-08T00:00:00

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